Two-door rear-wheel-drive convertible · 400 cu in Ram Air I V8, 4-barrel
1968 Pontiac Firebird 400 Ram Air I Convertible — 400 cu in Ram Air I V8, 4-barrel, 4-speed manual
Pontiac's 1968 showroom sales album and identification records document this convertible model, engine, and transmission combination.
Photo: “1968 Pontiac Firebird 400 Hardtop” by Sicnag / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Firebird 400 Ram Air I
- Body style
- Two-door rear-wheel-drive convertible
- Engine
- 400 cu in Ram Air I V8, 4-barrel
- Transmission
- 4-speed manual
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 1968 Pontiac Firebird 400 Ram Air I Convertible — 400 cu in Ram Air I V8, 4-barrel, 4-speed manual. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 3
- Factory intervals
- 3
- Fitment-scoped
- 3
- Exact references
- 1
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Engine oil filter
Exact reference available
Manufacturer-catalog fitment scoped to the exact engine row in the Firebird application table.
Source: Pontiac Motor Division — 1968 Pontiac Service Manual, general lubrication schedule · General Information page 0-9 — oil-filter row · checked
Baldwin B39 cataloged fitment
This manufacturer application record establishes filter fitment only; it does not alter the separately sourced service schedule.
Source: Parker/Baldwin Filters — 2025 Automotive Applications catalog · PDF page 945, Pontiac 1968 Firebird six-cylinder 250 and V8-350/400 carbureted applications row — Lube — B39 · checked
Verified ordering references
- Validated equivalentBaldwin B39
Qty. 1 · Engine lubricating-oil filter · catalog-listed
Cataloged for the 1968 Firebird six-cylinder 250 and V8-350/400 carbureted applications; verify engine code and installed dimensions.
Catalog: Parker/Baldwin Filters — 2025 Automotive Applications catalog · PDF page 945, Pontiac 1968 Firebird six-cylinder 250 and V8-350/400 carbureted applications row — Lube — B39 · checked
Search this part on Amazon
Chassis lubrication
Sourced interval available
Source: Pontiac Motor Division — 1968 Pontiac Service Manual, general lubrication schedule · General Information page 0-9 — chassis-lubrication row · checked
Paper air-cleaner element
Sourced interval available
Source: Pontiac Motor Division — 1968 Pontiac Service Manual, general lubrication schedule · General Information page 0-10 — paper air-cleaner-element row · checked
Sources
Other 1968 configurations
- Firebird Hardtop — 250 cu in OHC inline-six, 1-barrel, 3-speed manual
- Firebird Hardtop — 250 cu in OHC inline-six, 1-barrel, 4-speed manual
- Firebird Hardtop — 250 cu in OHC inline-six, 1-barrel, 2-speed automatic
- Firebird Sprint Hardtop — 250 cu in OHC inline-six, 4-barrel, 3-speed manual
- Firebird Sprint Hardtop — 250 cu in OHC inline-six, 4-barrel, 4-speed manual
- Firebird Sprint Hardtop — 250 cu in OHC inline-six, 4-barrel, 2-speed automatic
- Firebird 350 Hardtop — 350 cu in V8, 2-barrel, 3-speed manual
- Firebird 350 Hardtop — 350 cu in V8, 2-barrel, 4-speed manual
- Firebird 350 Hardtop — 350 cu in V8, 2-barrel, 2-speed automatic
- Firebird H.O. Hardtop — 350 cu in H.O. V8, 4-barrel, 3-speed manual
- Firebird H.O. Hardtop — 350 cu in H.O. V8, 4-barrel, 4-speed manual
- Firebird H.O. Hardtop — 350 cu in H.O. V8, 4-barrel, 2-speed automatic
- Firebird 400 Hardtop — 400 cu in V8, 4-barrel, 3-speed manual
- Firebird 400 Hardtop — 400 cu in V8, 4-barrel, 4-speed manual
- Firebird 400 Hardtop — 400 cu in V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 H.O. Hardtop — 400 cu in H.O. V8, 4-barrel, 4-speed manual
- Firebird 400 H.O. Hardtop — 400 cu in H.O. V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 Ram Air I Hardtop — 400 cu in Ram Air I V8, 4-barrel, 4-speed manual
- Firebird 400 Ram Air I Hardtop — 400 cu in Ram Air I V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 Ram Air II Hardtop — 400 cu in Ram Air II V8, 4-barrel, 4-speed manual
- Firebird 400 Ram Air II Hardtop — 400 cu in Ram Air II V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird Convertible — 250 cu in OHC inline-six, 1-barrel, 3-speed manual
- Firebird Convertible — 250 cu in OHC inline-six, 1-barrel, 4-speed manual
- Firebird Convertible — 250 cu in OHC inline-six, 1-barrel, 2-speed automatic
- Firebird Sprint Convertible — 250 cu in OHC inline-six, 4-barrel, 3-speed manual
- Firebird Sprint Convertible — 250 cu in OHC inline-six, 4-barrel, 4-speed manual
- Firebird Sprint Convertible — 250 cu in OHC inline-six, 4-barrel, 2-speed automatic
- Firebird 350 Convertible — 350 cu in V8, 2-barrel, 3-speed manual
- Firebird 350 Convertible — 350 cu in V8, 2-barrel, 4-speed manual
- Firebird 350 Convertible — 350 cu in V8, 2-barrel, 2-speed automatic
- Firebird H.O. Convertible — 350 cu in H.O. V8, 4-barrel, 3-speed manual
- Firebird H.O. Convertible — 350 cu in H.O. V8, 4-barrel, 4-speed manual
- Firebird H.O. Convertible — 350 cu in H.O. V8, 4-barrel, 2-speed automatic
- Firebird 400 Convertible — 400 cu in V8, 4-barrel, 3-speed manual
- Firebird 400 Convertible — 400 cu in V8, 4-barrel, 4-speed manual
- Firebird 400 Convertible — 400 cu in V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 H.O. Convertible — 400 cu in H.O. V8, 4-barrel, 4-speed manual
- Firebird 400 H.O. Convertible — 400 cu in H.O. V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 Ram Air I Convertible — 400 cu in Ram Air I V8, 4-barrel, Turbo Hydra-Matic 400 automatic
- Firebird 400 Ram Air II Convertible — 400 cu in Ram Air II V8, 4-barrel, 4-speed manual
- Firebird 400 Ram Air II Convertible — 400 cu in Ram Air II V8, 4-barrel, Turbo Hydra-Matic 400 automatic