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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.

    Source document

    docs/rpo/chevrolet/lumina-gen1.md

    Interactive view →

    Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Lumina — first generation, W-body (1990–1994) page.

    Chevrolet Lumina — First generation, W-body (1990–1994)

    The 1991 and 1993 order guides in the Heritage kits show the first Lumina as a 2-door coupe and 4-door sedan in three series: the Lumina (1WL27, 1WL69), the Lumina Euro (1WN27, 1WN69) and the Lumina Z34 coupe (1WP27), and the 1993 guide also lists a Euro 3.4 sedan (1WN69 with the BYP package); NICB's 1990 VIN manual lists the Lumina and Lumina Eurosport, and its 1994 manual the Lumina, Lumina coupe and Lumina Z34. Engines on the cited pages are the 2.5L LR8 (1990–1992), the 3.1L LH0 (1990–1994), the 3.4L DOHC LQ1 (1991–1994) and the 2.2L LN2 (1993 sedan), with the MD9 3 speed (1990–1993) and ME9 4 speed (1992) automatics, the M13 electronic 4 speed automatic (1992–1994, the only transmission in 1994) and the Getrag M27 5 speed manual (1991–1993). Rows come from the kits' MVMA specification pages (optional-equipment weight, power-teams, transmission and curb-mass pages, 1990–1994) and the 1991 and 1993 order guides; pages with no readable model-year field are not cited for any year (the 1990 optional-equipment weight page, the 1991 custom ordering options pages and weight pages 73 and 74, the 1991 power-teams page, and the 1992 weight pages 53 to 55), so many option codes are claimed only for some years. No paint or interior-trim rows are given: the order guides print two-digit color numbers and four-character trim combinations rather than RPO codes.

    Codes

    Engines

    Code Description Years Models/Notes Confidence
    LR8 Engine, 2.5L (151 cu in) L4, electronic fuel injection 1990–1992 base engine of the Lumina coupe and sedan; the 1990 power-teams page writes throttle body injection, the 1991–1992 pages electronic fuel injection; the 1991 order-guide power teams print LA8; celebrity-gen1 reads LR8 as "2.5 L (151 cu in) L4, throttle-body fuel injection" ⛭ GM Heritage — 1990 Chevrolet Lumina, p.7 · 1991 Chevrolet Lumina, p.12 · 1992 Chevrolet Lumina, p.6 confirmed
    LH0 Engine, 3.1L (191 cu in) V6, multiport fuel injection 1990–1994 base engine of the Euro (not the Euro 3.4); optional on the Lumina (requires C67; 1991, 1993 sedan); base on the 1993 coupe; on the 1994 Lumina sedan and Euro with M13 only; the kits print LHO; beretta-gen1 and celebrity-gen1 read it as "3.1 L (191 cu in) V6, multi-port fuel injection" ⛭ GM Heritage — 1990 Chevrolet Lumina, p.7 · 1991 Chevrolet Lumina, p.12 · 1992 Chevrolet Lumina, p.6 · 1993 Chevrolet Lumina, p.13 · 1994 Chevrolet Lumina, p.5 confirmed
    LQ1 Engine, 3.4L V6, DOHC, multiport fuel injection 1991–1994 Z34 coupe; Euro 3.4 sedan (1993); the 1993 Euro 3.4 page names it DOHC; the 1991–1993 weight pages pair it with M13 or M27; the 1994 power-teams page (which prints the code LQT) gives sequential fuel injection, while the 1994 weight page still writes MFI; lumina-gen2 reads LQ1 as "Engine, gas, 6 cylinder, 3.4 liter, multiport fuel injection, V6" ⛭ GM Heritage — 1991 Chevrolet Lumina, p.12 · 1992 Chevrolet Lumina, p.6 · 1993 Chevrolet Lumina, p.10 · 1994 Chevrolet Lumina, p.39 confirmed
    LN2 Engine, 2.2L L4, multiport fuel injection 1993 only in: Lumina sedan (base engine); the coupe's base engine is the LH0 that year ⛭ GM Heritage — 1993 Chevrolet Lumina, p.17 confirmed

    Transmissions

    Code Description Years Models/Notes Confidence
    MD9 Transaxle, 3 speed automatic 1990–1993 base transmission with the LR8, LN2 and LH0; the 1991 p.42 and 1993 transmission pages name it the Hydra-Matic (the 1993 p.43 page the Hydra-Matic 3T40); sold as MX1 in the order guides; the 1990 and 1993 power-teams pages print MDS; the 1991 p.42 and 1993 pp.40–41, 43 entries print the code in a parenthetical after the transmission name and the 1990 p.40 and 1993 p.69 curb-mass pages in the model's equipment parenthetical, which count as entries on MVMA pages (controller ruling); 1990 is cited only from the p.40 curb-mass page because the 1990 transmission page (p.19) has no readable model-year field, and 1991 only from p.42 because the 1991 power-teams page (p.25) has none ⛭ GM Heritage — 1990 Chevrolet Lumina, p.40 · 1991 Chevrolet Lumina, p.42 · 1992 Chevrolet Lumina, p.6 · 1993 Chevrolet Lumina, p.40 confirmed
    ME9 Automatic transaxle, 4 speed (THM 440-T4) 1992 with the LH0; the 1992 p.30 entry prints the code in a parenthetical after the transmission name, which counts as an entry on MVMA pages (controller ruling), and the 1992 power-teams page prints MES; 1990 and 1991 are not claimed: the pages that print ME9 for those years (1990 pp.19, 23; 1991 pp.25, 73) have no readable model-year field and no dated page of either kit prints it; celebrity-gen1 reads ME9 as "Automatic transaxle, 4-speed overdrive (THM 440-T4)" ⛭ GM Heritage — 1992 Chevrolet Lumina, p.30 confirmed
    M13 Transaxle, 4 speed automatic, HMD 1992–1994 with the LQ1 (1992–1994) and the LH0 (1993–1994); the only transmission on the 1994 power-teams page; the order guides sell the electronic 4 speed automatic as MX0; beretta-gen1 reads M13 as "Transaxle, 4 speed automatic, electronically controlled (4T60-E)"; 1991 is not claimed: the pages that print it (1991 p.25, 73) carry no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.6 · 1993 Chevrolet Lumina, p.23 · 1994 Chevrolet Lumina, p.5 confirmed
    M27 Transaxle, 5 speed manual, Getrag 1991–1993 Z34 coupe with the LQ1; sold as MM5 in the order guides; 1991 is cited from the transmission page (p.26) and 1992 from the curb-mass page's equipment parenthetical (p.52); the 1991 power-teams page (p.25) and the 1992 weight page (p.55) have no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.26 · 1992 Chevrolet Lumina, p.52 · 1993 Chevrolet Lumina, p.73 confirmed
    MX1 Transmission, 3 speed automatic 1991, 1993 base transmission of the Lumina and Euro; with the LR8, LN2 or LH0 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1993 Chevrolet Lumina, p.13 confirmed
    MX0 Transmission, 4 speed automatic, electronic 1991, 1993 optional on the Lumina, Euro and Z34; the only transmission on the Euro 3.4 (1993); requires the LH0 on the Lumina and KD1 on the Z34 and Euro 3.4; the order guides print MXO ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.9 confirmed
    MM5 Transmission, 5 speed manual 1991, 1993 only in: Z34 coupe (base transmission); beretta-gen1 reads MM5 as "Transmission, 5 speed manual (merchandised order code)" ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.9 confirmed

    Packages & Trims

    Code Description Years Models/Notes Confidence
    Z34 Z34 coupe package 1991, 1993–1994 the code is printed in the "Restrictions, Requirements" column (model code and option, such as "1WA00 & Z34") of the D80 spoiler entry on the weight pages; the 1992 p.57, 1993 p.75 and 1994 p.44 weight pages also list the package as "Chevrolet Lumina Z34" but print the code 234, so they are not cited; the 1992 p.54 page prints its model-year field as 1892, so 1992 is not claimed; the 1991 and 1993 order guides sell the Z34 coupe as model 1WP27; the rparts GM RPO list reads Z34 as a merchandising option (1WM27 plus Z34 gives 1WP27) ⛭ GM Heritage — 1991 Chevrolet Lumina, p.72 · 1993 Chevrolet Lumina, p.71 · 1994 Chevrolet Lumina, p.41 confirmed
    ZV8 Eurosport package 1991, 1993–1994 the code is printed only in the "Restrictions, Requirements" column (model code and option, such as "1WM69 & ZV8") of the D80 spoiler entry on the weight pages; the meaning is the rparts GM RPO list's (a merchandising option: 1WM27 plus ZV8 gives 1WN27, 1WM69 plus ZV8 gives 1WN69); the order guides call the series Lumina Euro; the 1992 weight pages read it as the Euro theme car but print ZVB, so 1992 is not claimed ⛭ GM Heritage — 1991 Chevrolet Lumina, p.72 · 1993 Chevrolet Lumina, p.71 · 1994 Chevrolet Lumina, p.41 confirmed
    BYP Special option package, Euro 3.4 sedan 1993 only in: Euro sedan (1WN69); brings the LQ1 engine, dual exhaust outlets, custom cloth sport bucket seats and a monochromatic body treatment; the rparts list reads BYP as a sport equipment package ⛭ GM Heritage — 1993 Chevrolet Lumina, p.12 confirmed
    WSAB Base equipment group, Z34 coupe 1991 only in: Z34 coupe ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 confirmed
    WSA1 Preferred equipment group 1, Z34 coupe 1991, 1993 only in: Z34 coupe ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.10 confirmed
    WBA1 Preferred equipment group 1, Euro 3.4 sedan 1993 only in: Euro 3.4 sedan ⛭ GM Heritage — 1993 Chevrolet Lumina, p.12 confirmed
    WZAB Base equipment group, Euro 1991, 1993 only in: Euro coupe and sedan ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1993 Chevrolet Lumina, p.14 confirmed
    WZA1 Preferred equipment group 1, Euro 1993 only in: Euro coupe and sedan; the 1991 group list prints WZAT, so 1991 is not claimed ⛭ GM Heritage — 1993 Chevrolet Lumina, p.14 confirmed
    WZA2 Preferred equipment group 2, Euro 1993 only in: Euro coupe and sedan; the 1991 group list prints WZAZ (WZA2 appears only inside the AU3 entry), so 1991 is not claimed ⛭ GM Heritage — 1993 Chevrolet Lumina, p.14 confirmed
    WLAB Base equipment group, Lumina 1991, 1993 coupe and sedan (1991), coupe only (1993) ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1993 Chevrolet Lumina, p.16 confirmed
    WLA1 Preferred equipment group 1, Lumina 1991, 1993 coupe and sedan (1991), coupe only (1993) ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1993 Chevrolet Lumina, p.16 confirmed
    WLA2 Preferred equipment group 2, Lumina 1991 includes the V56 carrier; the 1993 group list prints WLAZ (WLA2 appears only inside the V56 entry), so 1993 is not claimed ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 confirmed
    WLA3 Preferred equipment group 3, Lumina 1991, 1993 includes the V56 carrier and power door locks ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1993 Chevrolet Lumina, p.16 confirmed
    WNAB Base equipment group, Lumina sedan 1993 only in: Lumina sedan ⛭ GM Heritage — 1993 Chevrolet Lumina, p.18 confirmed

    Equipment

    Code Description Years Models/Notes Confidence
    AC3 Seat adjuster, front, power, 6 way, driver 1991, 1994 with the AR9 bucket seats (1991; the uncited 1993 p.70 pairs it with AR9 or AN3); the 1993 page prints the code in Cyrillic letters, so 1993 is not claimed; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1994 Chevrolet Lumina, p.40 confirmed
    AG1 Seat adjuster, power, 6 way, driver only 1991, 1993–1994 with the AM6 split seat (1991, 1993); the order guides sell the driver power seat as WG1 (own row); lumina-gen2 and celebrity-gen1 read AG1 as a driver power seat; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1993 Chevrolet Lumina, p.70 · 1994 Chevrolet Lumina, p.40 confirmed
    AM6 Seat, front, split, 3 passenger 1991, 1993 the 1990 weight page prints AMG, so 1990 is not claimed; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1993 Chevrolet Lumina, p.70 confirmed
    AN3 Seat, front bucket, driver and passenger, electric 1991, 1993–1994 the rparts list reads AN3 as front bucket seats with electronic body support control; GM's later lists reuse AN3 for an individual (non-bucket) front seat; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1993 Chevrolet Lumina, p.70 · 1994 Chevrolet Lumina, p.40 confirmed
    AP9 Cargo convenience net 1991, 1994 the 1991 weight page calls it a cargo restraint, and the 1991 custom ordering options page sells a cargo retaining net for the luggage area as its own line (printed APg, so that page is not cited); the 1992 page prints APS, so 1992 is not claimed; 1993 not claimed: the order guide lists the cargo retaining net only as a preferred equipment group row (owner ruling 2026-10-29) ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1994 Chevrolet Lumina, p.40 confirmed
    AQ9 Seat, front bucket, reclining 1993 lumina-gen2 reads AQ9 as "Seat, front bucket, passenger and driver, reclining" ⛭ GM Heritage — 1993 Chevrolet Lumina, p.70 confirmed
    AR9 Seat, front bucket, Euro, driver and passenger reclining 1991, 1993 the 1994 page prints ARS, so 1994 is not claimed; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1993 Chevrolet Lumina, p.70 confirmed
    WG1 Seat, power, driver's side only 1991, 1993 order-guide code; only in: sedans (Lumina sedan 1991 and 1993, Euro sedan 1991 and 1993); not with the bench seat; the weight pages carry the driver power seat adjuster as AG1; same description as lumina-gen2 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1993 Chevrolet Lumina, p.14 confirmed
    AU3 Power door locks 1991, 1993 coupe and sedan entries; included with the top preferred equipment groups (1991); 1990, 1992 are not claimed: the pages that print it (1990 p.41; 1992 p.53) carry no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.70 confirmed
    A90 Power trunk opener 1994 remote electric release of the rear compartment lid; the 1993 page prints ASO, so 1993 is not claimed; 1992 is not claimed: the page that prints it (1992 p.53) carries no readable model-year field; 1991 is not claimed: the dated 1991 order guide lists the trunk opener only as a preferred equipment group row, and the custom ordering options page that sells it alone (p.10) has no readable model-year field, so the 1991 weight page cannot carry the year ⛭ GM Heritage — 1994 Chevrolet Lumina, p.40 confirmed
    B24 Molding, side window reveal, painted 1991, 1993 the 1992 page prints 824, so 1992 is not claimed ⛭ GM Heritage — 1991 Chevrolet Lumina, p.71 · 1993 Chevrolet Lumina, p.71 confirmed
    B97 Molding, exterior, lower accent 1991, 1993–1994 the 1991–1993 weight pages print B97 as a rear wheel opening spoiler and the 1994 page as an exterior ornamentation molding, lower accent; that both are one part is inferred from the equal masses (0.9/0.9/1.8 kg in 1991, 1.0/0.8/1.8 kg in 1992–1993, 1.0/1.8 kg in 1994), not stated on any page; GM's other lists and the rparts list read B97 as the lower accent molding; 1992 is not claimed: the page that prints it (1992 p.54) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.72 · 1993 Chevrolet Lumina, p.71 · 1994 Chevrolet Lumina, p.40 confirmed
    BF9 Floor mats, delete 1994 ⛭ GM Heritage — 1994 Chevrolet Lumina, p.40 confirmed
    C49 Defogger, rear window, electric 1991, 1993–1994 one of C49 or R9W must be ordered (1991, 1993); the 1992 page prints CA9, so 1992 is not claimed ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.10 · 1994 Chevrolet Lumina, p.40 confirmed
    C67 Air conditioning 1991, 1993 the 1991–1993 weight pages call it premium air conditioning; required with the LH0 on the Lumina (1991; 1993 sedan); 1990, 1992 are not claimed: the pages that print it (1990 p.41; 1992 p.54) carry no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1993 Chevrolet Lumina, p.18 confirmed
    D09 Armrest, front seat center, with storage compartment 1993 not with the bench seat (1993); the weight pages print DO9, the 1993 sedan order page D09; 1992 is not claimed: the page that prints it (1992 p.54) carries no readable model-year field ⛭ GM Heritage — 1993 Chevrolet Lumina, p.18 confirmed
    D55 Console, front floor 1994 the 1991 page prints 055, so 1991 is not claimed; 1993 not claimed: the order guide lists the console only inside the Euro custom cloth bucket trim's contents (owner ruling 2026-10-29); 1992 is not claimed: the page that prints it (1992 p.54) carries no readable model-year field ⛭ GM Heritage — 1994 Chevrolet Lumina, p.40 confirmed
    D58 Spoiler, rear, delete 1991, 1993–1994 the Euro order pages offer it as "rear spoiler not desired" ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1993 Chevrolet Lumina, p.14 · 1994 Chevrolet Lumina, p.41 confirmed
    D68 Mirrors, outside, left-hand and right-hand remote control 1994 the 1990 page names them outside mirrors; same description as beretta-gen1; 1993 not claimed: the order guide lists twin remote sport mirrors only as a preferred equipment group row (owner ruling 2026-10-29); 1990 and 1992 are not claimed: the pages that print it (1990 p.41; 1992 p.54) carry no readable model-year field; 1991 is not claimed: the dated 1991 order guide lists the sport mirrors only as a preferred equipment group row, and the custom ordering options page that sells them alone (p.11) has no readable model-year field, so the 1991 weight page cannot carry the year ⛭ GM Heritage — 1994 Chevrolet Lumina, p.41 confirmed
    D80 Spoiler, rear end panel 1994 only in: Z34 and Eurosport (the restriction column pairs it with Z34 and ZV8); the 1994 page prints D8O; 1991 and 1993 not claimed: the order guides list the rear spoiler only inside the base equipment groups' contents (WSAB 1991, WZAB 1991 and 1993), although the 1991 and 1993 weight pages list D80 (owner ruling 2026-10-29); 1992 is not claimed: the page that prints it (1992 p.54) carries no readable model-year field ⛭ GM Heritage — 1994 Chevrolet Lumina, p.41 confirmed
    FE2 Suspension, ride and handling 1993–1994 1992 is not claimed: the page that prints it (1992 p.54) carries no readable model-year field ⛭ GM Heritage — 1993 Chevrolet Lumina, p.72 · 1994 Chevrolet Lumina, p.41 confirmed
    FE3 Suspension, sport 1994 1991 and 1993 not claimed: the order guides list the sport suspension only inside the Euro base equipment group WZAB's contents, although the 1991 and 1993 weight pages list FE3 (owner ruling 2026-10-29); 1992 is not claimed: the page that prints it (1992 p.55) carries no readable model-year field ⛭ GM Heritage — 1994 Chevrolet Lumina, p.41 confirmed
    F41 Suspension, front and rear, firm ride and handling 1993–1994 1991, 1992 are not claimed: the pages that print it (1991 p.73; 1992 p.55) carry no readable model-year field ⛭ GM Heritage — 1993 Chevrolet Lumina, p.72 · 1994 Chevrolet Lumina, p.41 confirmed
    JL9 Brakes, power front and rear disc, antilock 1993–1994 1992 is not claimed: the page that prints it (1992 p.55) carries no readable model-year field ⛭ GM Heritage — 1993 Chevrolet Lumina, p.72 · 1994 Chevrolet Lumina, p.41 confirmed
    KD1 Cooling system, transmission oil 1991, 1993 required with the MX0 on the Z34 and Euro 3.4; 1992 is not claimed: the page that prints it (1992 p.55) carries no readable model-year field ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.72 confirmed
    K05 Engine block heater 1993–1994 the 1992 page prints KO5; 1991, 1992 are not claimed: the pages that print it (1991 p.73; 1992 p.55) carry no readable model-year field ⛭ GM Heritage — 1993 Chevrolet Lumina, p.72 · 1994 Chevrolet Lumina, p.42 confirmed
    K34 Cruise control, electronic 1994 the order guides describe electronic speed control with resume; 1993 not claimed: the order guide lists speed control only as a preferred equipment group row (owner ruling 2026-10-29); 1990, 1991, 1992 are not claimed: the pages that print it (1990 p.41; 1991 p.10, 73; 1992 p.55) carry no readable model-year field ⛭ GM Heritage — 1994 Chevrolet Lumina, p.42 confirmed
    NC5 Exhaust system, dual vertical tailpipes 1994 the 1992 and 1993 pages print NCS, so those years are not claimed; 1991 is not claimed: the page that prints it (1991 p.73) carries no readable model-year field ⛭ GM Heritage — 1994 Chevrolet Lumina, p.42 confirmed
    NC6 Exhaust system, sporty 1992–1993 1991 is not claimed: the page that prints it (1991 p.73) carries no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 confirmed
    NW0 Wheels, 16 x 6.5, cast aluminum 1991–1994 Euro option, requires the QPE tires (1991, 1993); the pages print NWO ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 · 1994 Chevrolet Lumina, p.42 confirmed
    N14 Fuel conversion, methanol 1992–1993 1991 is not claimed: the page that prints it (1991 p.74) carries no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 confirmed
    N33 Steering column, tilt 1992 the order guides call it Comfortilt steering; 1993 not claimed: the order guide lists the Comfortilt steering wheel only as a preferred equipment group row (owner ruling 2026-10-29); 1991 is not claimed: the pages that print it (1991 p.10, 74) carry no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 confirmed
    N91 Spare tire, full size 1993 the Lumina page's own reading; the rparts GM RPO list and GM's lists for other platforms (14 in the corpus) read N91 as a simulated wire wheel cover with lock ⛭ GM Heritage — 1993 Chevrolet Lumina, p.73 confirmed
    PG1 Wheels, 15 x 6, steel 1992–1994 1991 is not claimed: the page that prints it (1991 p.74) carries no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 · 1994 Chevrolet Lumina, p.42 confirmed
    PH3 Wheels, 15 x 6, cast aluminum 1992–1994 1991 is not claimed: the page that prints it (1991 p.74) carries no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 · 1994 Chevrolet Lumina, p.42 confirmed
    P03 Wheel covers, 14 inch, sport 1993 Lumina coupe; the page prints PO3 ⛭ GM Heritage — 1993 Chevrolet Lumina, p.16 confirmed
    P08 Wheel covers, super deluxe 1994 coupe entry; the page prints PO8; the 1992 page prints POB, so 1992 is not claimed ⛭ GM Heritage — 1994 Chevrolet Lumina, p.42 confirmed
    QIN Tire, P205/70R15 1992–1994 1991 is not claimed: the page that prints it (1991 p.74) carries no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1993 Chevrolet Lumina, p.73 · 1994 Chevrolet Lumina, p.42 confirmed
    QMX Tire, P195/75R14 white stripe 1993–1994 the 1993 coupe order page gives the white stripe; the 1994 page gives the size only ⛭ GM Heritage — 1993 Chevrolet Lumina, p.16 · 1994 Chevrolet Lumina, p.42 confirmed
    QPE Tire, P215/60R16/N BL 1993–1994 Euro option with NW0 wheels; the 1993 page prints the size as P215/80R16, and the 1991 and 1993 order guides print the code OPE ⛭ GM Heritage — 1993 Chevrolet Lumina, p.74 · 1994 Chevrolet Lumina, p.43 confirmed
    QXJ Tire, all, P225/60R16/N BL R/PE 1994 the 1991 and 1993 pages print QXd and OXd, so those years are not claimed ⛭ GM Heritage — 1994 Chevrolet Lumina, p.43 confirmed
    T61 Lamps, daytime running 1994 ⛭ GM Heritage — 1994 Chevrolet Lumina, p.43 confirmed
    UB3 Instrument panel cluster assembly 1992, 1994 the rparts list reads UB3 as an instrument cluster with oil, coolant temperature, voltmeter, tachometer and trip odometer; 1993 not claimed: the order guide lists the gage package with tachometer only as a preferred equipment group row (owner ruling 2026-10-29); 1991 is not claimed: the pages that print it (1991 p.10, 74) carry no readable model-year field ⛭ GM Heritage — 1992 Chevrolet Lumina, p.56 · 1994 Chevrolet Lumina, p.43 confirmed
    UM6 Radio, AM/FM stereo, seek and scan, stereo cassette, digital clock, ETR 1991, 1993–1994 the 1990, 1992 and 1993 weight pages print UMG, so 1990 and 1992 are not claimed ⛭ GM Heritage — 1991 Chevrolet Lumina, p.16 · 1993 Chevrolet Lumina, p.14 · 1994 Chevrolet Lumina, p.43 confirmed
    UQ4 Speaker system, Bose 1991–1994 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.75 · 1992 Chevrolet Lumina, p.57 · 1993 Chevrolet Lumina, p.74 · 1994 Chevrolet Lumina, p.43 confirmed
    UU8 Radio, Delco/Bose music system, AM/FM stereo, seek and scan, stereo cassette, digital clock, ETR 1991–1994 not with the bench seat (1991, 1993); GM's later lists reuse UU8 for a navigation radio ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1992 Chevrolet Lumina, p.57 · 1993 Chevrolet Lumina, p.14 · 1994 Chevrolet Lumina, p.43 confirmed
    UV8 Provisions, cellular telephone 1993–1994 ⛭ GM Heritage — 1993 Chevrolet Lumina, p.16 · 1994 Chevrolet Lumina, p.43 confirmed
    U1C Radio, AM/FM stereo, seek and scan, compact disc player, digital clock, ETR 1993–1994 the 1993 order guides name the Delco-LOC II player ⛭ GM Heritage — 1993 Chevrolet Lumina, p.14 · 1994 Chevrolet Lumina, p.43 confirmed
    VK3 License plate bracket, front 1991, 1993 the reading of the 1991 weight page and the 1991 and 1993 order guides; the 1992 and 1994 weight pages give VK3 another meaning, a rear mount package for export (next row); the 1993 weight page (p.74) also prints that rear-export reading, but the 1993 order guides' front bracket is kept for 1993; same description as beretta-gen1 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.10 confirmed
    VK3 License plate, rear mount package, export 1992, 1994 another meaning of VK3: the reading of the 1992 and 1994 weight pages; the 1993 weight page prints it too, but 1993 goes to the front-bracket row (row above), whose reading the 1993 order guides print; GM's other lists read VK3 as the front mounting package ⛭ GM Heritage — 1992 Chevrolet Lumina, p.57 · 1994 Chevrolet Lumina, p.43 confirmed
    V08 Radiator, heavy duty 1993 sedan entry; the page prints VO8; GM's other lists read V08 as heavy-duty cooling ⛭ GM Heritage — 1993 Chevrolet Lumina, p.74 confirmed
    V56 Luggage carrier, rear deck lid 1991–1994 black in the order guides, painted on the weight pages; included with WLA2 and WLA3 and may be deleted ⛭ GM Heritage — 1991 Chevrolet Lumina, p.18 · 1992 Chevrolet Lumina, p.57 · 1993 Chevrolet Lumina, p.16 · 1994 Chevrolet Lumina, p.44 confirmed
    R9W Defogger, rear window, not desired 1991, 1993 one of C49 or R9W must be ordered ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.10 confirmed

    Internal / Process

    Code Description Years Models/Notes Confidence
    NA5 Federal (standard) emissions 1991, 1993 internal code same description as beretta-gen1 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.13 confirmed
    YF5 Emissions, California requirements 1991, 1993 internal code same description as beretta-gen1 ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.10 confirmed
    Z49 Export, Canadian modification, mandatory base equipment 1994 internal code the code is printed only in the "Restrictions, Requirements" column ("1WA00 & Z49") of the T61 daytime running lamps entry; the meaning comes from GM's other lists: Z49 is printed in 767 lists in the corpus, most reading it as the Canadian modification mandatory base equipment, while 31 read it as an English/French SIR warning label; the rparts list reads it as mandatory Canadian base equipment modifications ⛭ GM Heritage — 1994 Chevrolet Lumina, p.43 confirmed
    R8T Order acknowledgement, priced 1991, 1993 internal code beretta-gen1 reads R8T as "Order acknowledgement, preliminary invoice" ⛭ GM Heritage — 1991 Chevrolet Lumina, p.14 · 1993 Chevrolet Lumina, p.12 confirmed

    Sources

    Factory documents (T1)

    • [HK] chevrolet/1990-Chevrolet-Lumina.txt — 1990 MVMA specifications (power teams p.7 and curb mass p.40 cited; the transmission page p.19, axle-ratio page p.23 and optional-equipment weight page p.41 carry no readable model-year field and are not cited)
    • [HK] chevrolet/1991-Chevrolet-Lumina.txt — 1991 order guide (pp.12–14, 16–18; the custom ordering options pages pp.10–11, shared with the Cavalier, Corsica, Beretta and Lumina APV, print no model year and are not cited; the color and trim page p.17 prints 1991 ORDER GUIDE but no row cites it) and MVMA specifications (transmission pages pp.26 and 42, optional-equipment weight pages pp.71–72, 75; pages 25, 73 and 74 print no model year and are not cited)
    • [HK] chevrolet/1992-Chevrolet-Lumina.txt — 1992 MVMA specifications (power teams p.6, transmission pages pp.30 and 52, optional-equipment weight pages pp.56–57; pages 53 to 55 print no readable model year and are not cited)
    • [HK] chevrolet/1993-Chevrolet-Lumina.txt — 1993 order guide (pp.9–10, 12–14, 16–18) and MVMA specifications (power teams p.23, transmission pages pp.40–41, 43, curb mass p.69, optional-equipment weight pages pp.70–74; p.75 read, not cited)
    • [HK] chevrolet/1994-Chevrolet-Lumina.txt — 1994 MVMA specifications (power teams p.5, curb mass p.39, optional-equipment weight pages pp.40–44)

    Other sources