Oldsmobile · 1960-1982
Full-Size 88 / 98
88 · delta 88 · delta 88 royale · dynamic 88 · delmont 88 · jetstar 88 · jetstar i · super 88
85 option rows 80 RPO codes 23 model years
0% Factory-verified
- ✓ Factory-verified · 0
- ● Confirmed · 72
- ◑ Single-source · 11
- ⚠ Disputed · 2
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| — | Skyrocket 394 CID V-8 (330 hp Starfire-spec optional in Super 88/98) | 1961–64 | Engine option by name | Confirmed confirmed (feature), n/a (code) |
| — | Jetstar I: 345 hp 394, console sports coupe (Starfire running gear at lower price) | 1964–65 | Marketed model, not an option code | Confirmed |
| — | Police Apprehender packages by name (precursor to B-01/B-07) | early 1960s | Full-size | Single-source |
| — | Super Economy / standard axle, Hydra-Matic ("Slim Jim" Roto 1961–64) | 1960–65 | Transmission by name | Confirmed confirmed (feature), n/a (code) |
| B-01 | Police Apprehender — City Cruiser | 1966–67 | Full-size | Confirmed |
| B-07 | Police Apprehender — Highway Patrol | 1966–67 | Full-size | Confirmed |
| L-65 | Domestic low-compression V-8 2-bbl | 1966 | — | Confirmed |
| L-73 | Low-compression 330 4-bbl | 1966 | Jetstar 88 | Confirmed |
| L-74 | High-compression V-8 (425 4-bbl in full-size) | 1966–67 | Delta/98 | Confirmed |
| L-75 | High-compression Starfire V-8 (375 hp 425) | 1966–67 | Starfire; optional in Delta 88 Custom 1967 | Confirmed |
| L-76 | High-compression performance V-8 (police; L-74 + plugs/air-cleaner label) | 1966–67 | With B-01/B-07 | Confirmed |
| L-77 / L-78 | High-compression performance V-8s (425) | 1966–67 | Police/performance | Confirmed |
| N-10 / N-11 | Dual exhaust (N-11 w/L-77, L-78; +L-66 in 1967) | 1966–67 | — | Confirmed |
| M-31/M-32/M-33/M-34 | Jetaway automatic variants | 1966–67 | M-34 HD w/L-76 | Confirmed |
| M-40 / M-41 | TH-400 / HD TH-400 | 1966–67 | — | Confirmed |
| J-56 | HD brakes (police) | 1966–67 | — | Confirmed |
| Y-75 | HD 15" wheels, hubs & drums (w/B-07; +B-01 from 1967) | 1966–68 | Police | Confirmed |
| Y-76 | HD engine cooling & generator package | 1966–67 | — | Confirmed |
| G-51 | HD rear springs | 1966–70 | — | Confirmed |
| G-66 / G-67 | Superlift rear shocks / automatic Superlift | 1966–72 / 1966 | G-67 "automatic" is 1966-only | Confirmed |
| G-80 | Anti-Spin differential | 1966–72 | — | Confirmed |
| K-19 / K-20 | A.I.R. reactor / closed-circuit PCV (California) | 1966–67 | — | Confirmed |
| C-48 | Heater/defroster delete | 1966–67 | — | Confirmed |
| U-15 / U-16 | Safety Sentinel / engine tachometer | 1966–70 / 1966 | — | Confirmed |
| T-87 | Cornering lamps | 1966–72 | — | Confirmed |
| A-91 / A-93 / A-98 | Vacuum trunk latch / vacuum door locks / vacuum rear door lock | 1966–69 | A-98 police-oriented | Confirmed |
| L-65 | LC 350 2-bbl (4200 series) or LC 400 2-bbl (4400/4800 Delmont) | 1968 | — | Confirmed |
| L-66 | HC 455 2-bbl | 1968 | — | Confirmed |
| L-74 | HC 350 4-bbl | 1968–70 | — | Confirmed |
| L-77 | HC 400 police performance engine | 1968 | B-07 | Confirmed |
| (Delta GT) | 390 hp 455 4-bbl w/dual exhaust — "Delta GT" engine option | 1969 | Delta/Delta Custom/Royale; option code not given in sources (became W-33 in 1970). The 1969 442 Info Kit uses no W-33 code (W-33 first appears 1970), corroborating the code gap | Single-source single-source (code gap) [HK: oldsmobile/1969_Oldsmobile_442_Info_Kit.txt — no W-33 present] |
| B-01 / B-07 | Police Apprehender w/HD suspension | 1969 | Delta 88 / Delta 88 Custom only in 1969 | Confirmed |
| J-55 | HD brakes (police usage) | 1968–72 | Replaces J-56 | Confirmed |
| G71 | HD driveshaft | 1968 | Police (forum-documented) | Single-source |
| N11 | Police exhaust system | 1968 | Forum-documented usage | Single-source |
| T60 | HD 70-amp battery | 1968 | — | Confirmed |
| V02 | HD radiator | 1968 | — | Confirmed |
| U-21 / U-22 | Rocket Rally Pack / Safety Sentinel + Rally Pack combo | 1968–69 | U-22 forum-documented | Confirmed confirmed / single-source |
| U90 / U91 | Roof flasher wiring (incl. roof reinforcement) | 1968–69 | Police | Single-source |
| Y-72 | HD engine cooling | 1968–69 | — | Confirmed |
| C-28 | Dual-action tailgate | 1969 | Wagons | Confirmed |
| M-38 | TH-350 (350 4-bbl Delmont in 1968 per FAQ 88/98 page) | 1968–69 | CSM lists say A-body only 1969 — minor source conflict | Disputed |
| W-33 | "Olds 88 Performance Package" / 390 hp high-compression 455 4-bbl Rocket V-8, dual exhausts, 2.93 axle; M41 (TH-400) mandatory, Y72 HD cooling/alternator required for police use. Genuine RPO-style order code (Delta 88 $199.05; Custom/Royale $77.94), factory-billed as "390-hp Highway Patrol Rocket 455" | 1970 | All Delta 88 models w/ automatic | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.9, p.184, p.237] |
| L-30 / L-31 | LC 455 2-bbl / HC 455 4-bbl (365 hp) | 1970–71 | L31 requires M40 (TH-400) | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| L-65 | LC 350 2-bbl | 1970 | — | Confirmed |
| B-01 / B-07 | Police Apprehender packages (B-07 = Highway Patrol suspension: HD front/rear springs, stabilizer bars, shocks, reinforced rear lower control arms) | 1970 | B-07 confirmed in kit; N.A. with F41/FG2/G65 | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.184, p.234] |
| V-01 | HD radiator | 1970 | — | Confirmed |
| Y-72 | HD cooling & generator (alternator) | 1970–71 | Mandatory with W33 for police use | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.184, p.237] |
| Y-78 | Demand wiper system | 1970 | — | Confirmed |
| JL2 | Power front disc brakes (floating caliper; power steering mandatory) | 1969–72 | N.A. with J55 or 3-speed manual | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| A-90 / AU3 | Electric trunk latch / power door locks | 1970–72 | — | Confirmed |
| A-74 | HD front & rear seats (interlaced springs w/ foam padding) — police | 1970 | Delta 88 sedans | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.184] |
| K-30 | Automatic throttle control (cruise) | 1970 | Automatic trans + power brakes only | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| K-81 | Delcotron 50-ampere alternator — police | 1970 | N.A. with C49 | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| M-55 | Auxiliary oil cooler — automatic transmission (trailer hauling) | 1970 | — | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| G-91 | Performance rear axle — 3.23 ratio | 1970 | 350 CID engines only; trailer 1000–3500 lb | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.235] |
| G-94 | Performance rear axle — 2.93 ratio | 1970 | 455 CID engines only; std w/ SM (manual) trans | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.235] |
| U-11 | Instrument cluster w/ certified speedometer — police | 1970 | N.A. with U15 | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236] |
| U-90 | Roof-flasher wiring harness w/ roof-panel reinforcement — police | 1970 | Sedans | Confirmed confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.184, p.236] |
| L-32 | 455 4-bbl | 1971 | — | Confirmed |
| L-65 / L-74 | 350 2-bbl / 350 4-bbl | 1971 | — | Confirmed |
| L-74 | 455 4-bbl (B-body) | 1972 | Code reused | Confirmed |
| L-35 | 350 4-bbl (B-body; mandatory California) | 1972 | — | Confirmed |
| B-07 | Police Apprehender — Highway Patrol | 1971–72 | — | Confirmed |
| Y-79 | Ninety-Eight Regency package | 1972–75 | Per AutomotiveMileposts; Olds FAQ assigns Y-79 to Cutlass Salon/1970 SX — code reused across years | Disputed |
| Y-61 | Hurst Delta Royale (Hurst trim conversion of Delta 88 Royale) | ~1973 | Listed without year in CSM compilations | Single-source |
| W-39 | Hurst 3-speed floor shifter | 1972 | — | Confirmed |
| UB-7 | Safety Sentinel & trip odometer | 1971–72 | — | Confirmed |
| U-41 | Low-fuel indicator | 1971–72 | — | Confirmed |
| N-47 | Variable-ratio power steering | 1971–72 | — | Confirmed |
| C-61 | Comfortron automatic A/C | 1972–76 | — | Confirmed |
| T-81 | Headlamp-off delay (Night-Watch 1972) | 1970–72 | — | Confirmed |
| Z49 | Mandatory Canadian base equipment modification (export) | 1972 | — | Confirmed |
| ACRS airbags | Air Cushion Restraint System optional | 1974–76 | 88/98 (and Toronado); Olds option code not documented in consulted lists | Single-source single-source (code gap) |
| — | 455 std on 98 through 1976; last Delta convertible 1975 | 1971–76 | Context | Confirmed |
| W-44 | Indy 500 Pace Car replica package ($914): silver/black scheme w/red accents, flat-black trim, aluminum hood & decklid, L80 403 V-8, N72 red Sport wheels, QZP GR70-15 RWL tires, N34 aluminum sport steering wheel, D35 sport mirrors | 1977 | Delta 88 Royale coupe (model N37) only; 2,401 built; paint 13-13 / 13-BB | Confirmed |
| W-43 | Pace Car decal package ($40): 2 door decals + 2 sail-panel Indy decals | 1977 | With W-44 | Single-source |
| L80 | 403 4-bbl V-8 | 1977–79 | 88/98 | Confirmed |
| LM1 | 350 Chevrolet 4-bbl (single exhaust) | 1977–79 | 88 (engine-swap controversy era) | Confirmed confirmed (code), application single-source |
| L34-era Olds 350 (VIN R) | Olds 350 4-bbl std in Delta 88 | 1977–79 | Same engine used for 1979 Hurst/Olds certification | Confirmed |
| LF9 | 350 Olds diesel V-8 | 1978–82 | 88/98/Custom Cruiser | Confirmed |
| LF9 | 350 diesel V-8 | 1979–82 | 88/98 | Confirmed |
| LV8 / LC4 | 260 V-8 / 307 V-8 | 1979–82 | 307 becomes core gas V-8 from 1980 | Single-source |
| LD5 | 231 Buick V6 | 1980–82 | Base 88 | Single-source |
| Y-codes (Royale Brougham, Regency trim) | Trim packages; "Royale Brougham" interior debuts 1979 | 1979–82 | Specific codes not documented in consulted sources | Single-source gap |
Source document: oldsmobile/fullsize-88-98.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.