Buick · 1982-1996

Century — A-body (1982–1996)

century · century custom · century limited · century special · century estate wagon · century t-type · century gran sport · century olympia

85 option rows 85 RPO codes 15 model years
8% Factory-verified
  • ✓ Factory-verified · 7
  • ● Confirmed · 25
  • ◑ Single-source · 52
  • ⚠ Disputed · 1

Applicable options

Documented RPO codes

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Model year
Century — A-body (1982–1996) RPO codes
Code Option Years Notes & factory source Confidence
Engines
LR8 2.5 L (151 cu in) L4, throttle-body fuel injection (VIN R) 1982–1992
The "Tech IV" four: about 90 hp to 1988, 110 hp from 1989; shared A-body engine code, cited from the Chevrolet Celebrity kits for 1983–1990 (the 1983–1985 specification pages head a column with it, the 1986–1988 and 1990 pages pair other options with it, and the 1989 order guide lists it as a no-charge engine; the 1987 exclusion remark on page 42 dates no year, so the 1987 page cited is 43); 1982 and 1991–1992 from Wikipedia's Iron Duke article, which gives the Tech IV to the Century 1982–1992
GM Heritage factory kit — 1983 Chevrolet Celebrity, p.6.
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.8.
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.15.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.43.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.43.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.46.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.
GM Heritage factory kit — 1990 Chevrolet Celebrity, p.40.
Factory-verified
LK9 3.0 L (181 cu in) Buick V6, 2-barrel carburetor (VIN E) 1982–1985 — Confirmed
LT7 4.3 L (262 cu in) V6 diesel (VIN T) 1982–1985
Shared A-body engine code, cited from the Chevrolet Celebrity kits for 1983–1985; 1982 from Wikipedia's Oldsmobile Diesel article, which gives the 4.3 L diesel to the Century 1982–1985
GM Heritage factory kit — 1983 Chevrolet Celebrity, p.6.
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.8.
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.21.
Factory-verified
LE2 2.8 L (173 cu in) V6, 2-barrel carburetor (VIN X) 1982–1986
Wikipedia's Century article gives it to U.S. cars for 1986 only and to Canadian cars from 1982; its 60° V6 article and the parts catalog list the Century from 1982; shared A-body engine code, cited from the Chevrolet Celebrity kits for 1983–1986; 1982 from the 60° V6 article and the parts catalog
GM Heritage factory kit — 1983 Chevrolet Celebrity, p.6.
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.8.
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.15.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.41.
Factory-verified
LG3 3.8 L (231 cu in) Buick V6, fuel injected (VIN 3): multi-port 1984–1985, sequential 1986–1988 1984–1988
Standard on the T-Type 1985–1986; for 1984–1985 the parts catalog labels this engine LN3, while Wikipedia and a GM-wide code list give LG3; from 1986 the catalog also reads LG3
Disputed
LG2 3.8 L (231 cu in) V6, sequential fuel injection (VIN B) 1986–1988
Only the parts catalog lists it for the Century, beside LG3; Wikipedia gives the Century only the VIN 3 engine
Single-source
LB6 2.8 L (173 cu in) V6, multi-port fuel injection (VIN W) 1987–1989
Wikipedia's Century article ends it in 1988; its 60° V6 article and the parts catalog include 1989; shared A-body engine code, cited from the Chevrolet Celebrity kits for 1987–1989 (1987 from the pairing remarks on the page headed Model Year 1987); the 1985 and 1986 Celebrity kits also print LB6, but no Century source gives those years, so they are not claimed
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.46.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.
Factory-verified
LG7 3.3 L (204 cu in) "3300" V6, multi-port fuel injection (VIN N) 1989–1993 — Confirmed
LN2 2.2 L (134 cu in) "2200" L4, multi-port fuel injection (VIN 4) 1993–1996
110 hp in 1993, 120 hp from 1994; 1996: standard on the Special sedan, not offered on the wagon
Confirmed
L82 3.1 L (191 cu in) "3100" V6, sequential fuel injection (VIN M) 1994–1996
1996: optional on the sedan, standard on the wagon
Confirmed
Transmissions
MD9 Automatic transaxle, 3-speed (THM 125C, later named 3T40) 1982–1996
1996: standard on the sedan only; shared A-body transaxle code, cited from the Chevrolet Celebrity kits: 1984 from its own option line (the air-conditioning entries of 1985–1989 list MD9 only among several engines and units, which dates no year, and the Celebrity pages of 1985–1989 sell the unit as MX1); 1982–1983 and 1985–1996 from the parts catalog and Wikipedia's Turbo-Hydramatic 125 article, which gives the THM 125 to the A-body 1982–1996
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
Factory-verified
ME9 Automatic transaxle, 4-speed overdrive (THM 440-T4, later named 4T60) 1983–1993
1983: dated only in the parts catalog; Wikipedia starts the A-body 4-speed in 1984; shared A-body transaxle code, cited from the Chevrolet Celebrity kit for 1984 (its own option line; the air-conditioning entries of 1986–1989 list ME9 only among several units, which dates no year, and the 1985 page prints the code garbled); 1985–1993 from the parts catalog and Wikipedia's Turbo-Hydramatic 125 article, which gives the 4T60 to the A-body 1984–1993
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
Factory-verified
M13 Automatic transaxle, 4-speed overdrive, electronically controlled (4T60-E) 1994–1996
1996: standard on the wagon, optional on the sedan
Confirmed
Packages & Trims
WE8 Century T-Type 1983–1986
Sport model with blacked-out trim and aluminum wheels; its own VIN series 1984–1986; 1986: four-door only, the coupe being sold as the Gran Sport
Confirmed
WA3 Olympia edition (1984 Olympic Games) 1984
only in: sedan; gold stripes and USA Olympic-ring emblems
Single-source
Equipment
F40 Heavy-duty suspension 1984–1987, 1989
Buick's 1985–1987 Regal option list calls F40 its firm ride and handling suspension; 1984–1987 from the parts catalog; 1989 from the Chevrolet Celebrity kit's order guide, which sells it as heavy-duty front suspension (a shared A-body suspension code)
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.11.
Single-source
F41 Gran Touring suspension 1984–1991
Buick's 1985–1987 Regal option list calls F41 its Gran Touring suspension; the parts catalog dates it 1984–1991; shared A-body suspension code, also cited from the Chevrolet Celebrity kit for 1984, which calls it sport suspension
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
Factory-verified
FE1 Soft ride suspension 1989–1991 — Single-source
FE2 Ride and handling suspension 1984–1988
Buick's 1985–1987 Regal option list calls FE2 its special Gran Touring suspension
Single-source
FE3 Sport suspension 1984–1987 — Single-source
G67 Automatic level control 1984–1987 — Single-source
G66 Inflatable rear shock absorbers 1984, 1986–1989
Shared A-body suspension code, cited from the Chevrolet Celebrity kits (1989 from the order guide's option line); the Century parts catalog (44A or 45A; the earlier wave did not record which) shows the code without a date, and a GM code list reads G66 as manual air level control; every year rests on the Celebrity kits alone (the 1985 page prints no model year, so 1985 is left out), so the row is single-source; the kits' body-style limits are the Celebrity's and are not repeated here
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.45.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.11.
Single-source
K05 Engine block heater 1989
Shared A-body engine code, cited from the Chevrolet Celebrity kit's 1989 order guide; the Century parts catalog (44A or 45A; not recorded which) shows the code without a date; the only dated source is the kit, so the row is single-source
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.
Single-source
J41 Power brakes, front disc and rear drum (cast iron) 1987–1991 — Single-source
J50 Power brakes 1984, 1986–1987
Printed as base equipment; shared A-body code, cited from the Chevrolet Celebrity kits; no Century source names it, so the row rests on the kit pages alone; 1985 is left out because the page that prints it carries no model-year field, and the 1988 listed pages do not print it; for 1987 the row overlaps J41 above (the parts catalog names the front-disc, rear-drum system for 1987–1991) and the kit page only prints power brakes as base equipment
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.41.
Single-source
JM4 Anti-lock power brakes, front disc and rear drum 1996
Standard
Confirmed
N81 Full-size spare tire 1990–1991 — Single-source
PC6 Wheels, 14 x 5.5 light alloy 1990–1991 — Single-source
PC7 Wheels, 14 x 5.5 styled steel 1996 — Confirmed
PD7 Wheels, 14 x 6.5 cast aluminum 1985 — Single-source
PG4 Wheels, 14 x 5.5 aluminum 1984–1985, 1990–1991, 1996 — Single-source
N91 Wire wheel covers, locking 1984–1985, 1990–1991, 1996 — Single-source
T82 Automatic headlamp control (Twilight Sentinel) 1982–1985 — Single-source
UA6 Theft deterrent system 1983–1986 — Single-source
AU3 Power door locks 1984–1986
Years from the parts catalog 44A (Nemiga mirror, T3): door hardware group 10 pages 4A10-301 and 4A10-302 date the lock-rod clip for AU3 "1984-86" and 4A10-301 the lock relay for AU3 to 1986
Single-source
AU4 Automatic power door locks 1982, 1986 — Single-source
AU0 Remote keyless entry 1994, 1996 — Single-source
A31 Power windows 1982–1986, 1994, 1996
1996: standard
Single-source
A90 Remote electric trunk release 1996
only in: sedan; standard; the 1996 Buick Century brochure lists the electric remote trunk lock release as standard on the sedan (the wagon has a tailgate release instead), and the code is the GM-wide lists' remote trunk release (Other sources)
Confirmed
AU6 Remote electric tailgate release 1996
only in: wagon; standard
Confirmed
AS7 Front split seat 1982–1990 — Single-source
AM6 Front 55/45 split bench seat with center armrest 1983–1990, 1995–1996
1996: standard
Single-source
AR9 Front reclining bucket seats 1984–1988 — Single-source
A78 Manual reclining seatbacks, driver and passenger 1985–1988 — Single-source
A79 Manual reclining seatback, driver 1989 — Single-source
AT6 Manual reclining seatback, passenger 1985–1989 — Single-source
A80 Power reclining seatback, driver 1996
Standard
Confirmed
A81 Power reclining seatback, passenger 1996
Standard
Confirmed
AG1 Six-way power driver seat 1995–1996 — Single-source
YR1 Custom front seat trim 1988 — Single-source
B18 Deluxe interior trim 1989 — Single-source
DA0 Front seat storage armrest 1988, 1996
1996: standard, with cup holders
Single-source
D55 Floor console 1983, 1989 — Single-source
DE9 Floor console, non-shifting 1982–1983
Years from the parts catalog 44A (Nemiga mirror, T3): console/floor (DE9/D55) page MA10-003 dates the trim plate "1982 DE9" and "1983 DE9"
Single-source
BV3 Black instrument-panel trim 1983 — Single-source
BS1 Acoustical insulation package 1982–1983 — Single-source
BV8 Painted door handles and lock cylinders 1983–1986 — Single-source
B85 Belt reveal moldings 1982 — Single-source
C93 Opera lamps 1982–1988
only in: coupe
Single-source
V56 Decklid luggage carrier, painted 1986–1987 — Single-source
V55 Roof luggage carrier 1996
only in: wagon
Confirmed
C25 Rear window wiper and washer 1996
only in: wagon
Confirmed
AM9 Split folding rear seatback 1996
only in: wagon; standard
Confirmed
D42 Cargo area security cover 1996
only in: wagon
Confirmed
C41 Heater and defroster without air conditioning 1989–1990 — Single-source
C60 Air conditioning, manual controls 1984–1985, 1988–1990, 1996
1996: standard (the 1996 Buick Century brochure); 1984–1985 and 1988–1990 from the weight-page lines headed by the code in the Chevrolet Celebrity kits (shared A-body code; the kits never name the Century, and no Century source dates those years); 1986 and 1987 are left out because the pages that print the line carry no model-year field; the kit years rest on the kits alone, so the row is single-source
GM Heritage factory kit — 1984 Chevrolet Celebrity, p.40.
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.45.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.68.
GM Heritage factory kit — 1990 Chevrolet Celebrity, p.40.
Single-source
C49 Electric rear window defogger 1996
Standard
Confirmed
K34 Electronic cruise control 1996 — Confirmed
N33 Tilt steering column 1996
Standard on sedan and wagon; the 1996 Buick Century brochure lists the tilt-wheel adjustable steering column as standard, and the code is the GM-wide lists' tilt column (Other sources)
Confirmed
AR4 Automatic front safety belts 1996
Standard
Confirmed
AJ3 Driver air bag 1994–1996
Standard from 1994
Confirmed
UM7 Radio, electronically tuned AM/FM stereo with seek/scan and clock 1991, 1996
1996: standard
Single-source
UM6 Radio, electronically tuned AM/FM stereo with cassette, seek/scan and clock 1996 — Confirmed
U75 Power antenna 1996 — Confirmed
DD2 Covered visor vanity mirrors 1996
Standard
Confirmed
D35 Outside mirrors, left remote and right manual 1996
Standard
Confirmed
V08 Heavy-duty engine and transmission cooling 1985, 1987–1989, 1996
1996 from the 1996 Buick Century brochure, which prints V08 and ties it to the 3.1 V6's 2,000 lb trailer rating; 1985 and 1987–1989 from the Chevrolet Celebrity kits, which call it heavy-duty cooling (a shared A-body cooling code) (the 1987 page prints VO8); 1984 is left out because the page that lists it prints its model-year field as 7984, which is not a readable year; 1986 and 1990 are left out because those pages print YO8 and VOB
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.44.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.43.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.47.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.11.
Single-source
UA1 Battery, heavy-duty 1985–1988
Shared A-body code, cited from the Chevrolet Celebrity kits; no Century source names it, so the row rests on the kit pages alone; 1984 is left out because the page prints the code as UAT and 1989 because its only weight page prints a model year of 1988; the 1987 page is cited although it prints UAl (lower-case L, read as UA1, rule 9(d)); the 1988 page prints UAI, read as UA1
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.43.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.42.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.42.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.46.
Single-source
Internal / Process
JA1 internal Brake system, light-weight class 1982–1990 — Single-source
JA2 internal Brake system, heavy-weight class 1982–1991 — Single-source
JA8 internal Brake system, medium-weight class 1982–1991 — Single-source
NA5 internal Federal emissions 1985, 1989
1985 from the parts catalog; 1989 from the Chevrolet Celebrity kit's order guide, which calls it standard emissions (a shared A-body emissions code)
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.
Single-source
NB1 internal Closed-loop emissions system 1984 — Single-source
NB2 internal California emissions 1985 — Single-source
YF5 internal California emissions 1989
the 1989 Celebrity order guide lists it as a must-order emissions choice (a shared A-body emissions code); no Century source names it, so the row rests on the kit page alone
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.10.
Single-source

Source document: buick/century-a-body.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.