4088557 Rear Main Seal & Housing Volvo Penta 5.7L GM V8 Original Equipment
Part Number: 14088556
Always match your original part number. This is Genuine OEM GM / ACDelco — NOT aftermarket.
📦 Product Description
This is the complete **Rear Crankshaft Oil Seal Housing** with a NEW seal already installed. Fits GM small-block V8 engines used in passenger cars, trucks, vans, and Volvo Penta 5.7L marine applications.
Includes:
- New Rear Main Seal Housing
- New OEM Spec Oil Seal Installed
OEM Numbers:
- General Motors: 14088556, 10108477, 14088557
- Casting Number: 14088557
Oil Seal Numbers:
- GM: 10088158
- Federal-Mogul (FM): 5274, 4359V
- SKF: 37027
- Also: 37026, 5274A, FELBS40520, 99803
🧠 Function
This housing seals the rear of the crankshaft to prevent oil leaks. It is critical for maintaining crankcase pressure and engine longevity.
- Prevents rear main oil leaks
- Secures crankshaft seal alignment
- Corrects oil seepage and driveway drips
- Restores OEM fit and performance
📘 OEM Number Chain
Supersedes: 14088556 → 10108477 → 14088557
No programming required — bolt-on part.
📋 Compatibility (Fitment)
This part fits a very large number of GM vehicles equipped with the 5.0L / 5.7L small block.
- 1991 Buick Estate Wagon
- 1986-1987 Buick Regal 2DR Base
- 1992-1996 Buick Roadmaster (all models)
- 1990-1996 Cadillac Fleetwood Brougham
- 1986-1996 Chevrolet Astro
- 1986 Chevrolet Berlinetta
- 1986-1995 Chevrolet Blazer
- 1986 Chevrolet C10
- 1988-1996 Chevrolet C1500
- 1986 Chevrolet C20
- 1988-1990 Chevrolet C2500
- 1992-1996 Chevrolet C2500
- 1986 Chevrolet C30
- 1988-1990 Chevrolet C3500
- 1992-1996 Chevrolet C3500
- 1986-1988 Chevrolet Camaro Base
- 1989-1996 Chevrolet Camaro (all models)
- 1986-1996 Chevrolet Caprice (all models)
- 1986-1996 Chevrolet Corvette
- 1986-1988 Chevrolet El Camino
- 1985-1990 Chevrolet G10/G20/G30 Vans
- 1991-1994 Chevrolet Hearse/Limo
- 1994-1996 Chevrolet Impala SS
- 1986 Chevrolet K10
- 1988-1996 Chevrolet K1500/K2500/K3500
- 1986-1988 Chevrolet Monte Carlo
- 1986-1990 Chevrolet P20/P30
- 1987-1990 Chevrolet R/V Series Trucks
- 1988-1995 Chevrolet S10
- 1986-1996 Chevrolet Suburban
- 1992-1996 Chevrolet Tahoe
- 1986-1996 GMC Forward Control
- 1987-1994 GMC Pickup
- 1996 GMC Savana
- 1991-1994 GMC Typhoon
- 1985-1996 GMC Van (Cargo, Passenger, RV)
- 1991-1992 Oldsmobile Custom Cruiser
- 1986-1987 Oldsmobile Cutlass (all models)
- 1986 Pontiac Bonneville (Base, LE, Brougham)
- 1986-1996 Pontiac Firebird (all models)
- 1986 Pontiac Parisienne (all models)
- 1992 Pontiac Trans Am (all models)
🛠️ Condition & Quality
- OEM GM Housing
- Brand New Rear Main Seal Installed
- Cleaned, inspected, ready to install
🚚 Shipping
Ships same or next business day, professionally packaged.
🔒 Buy With Confidence
- 10+ years on eBay — Verified Top Seller
- OEM parts specialist
- Fast shipping & careful packaging
- Hassle-free returns
Product Specification
- Brand : General Motors
- Condition : NEW
- Estimated Handling Time (Days) : 1
- Genuine OEM : TRUE
- Interchange Part Number : 99803
- MPN : 14088556
- Package Quantity : 1
- UPC : 760999003702
Applications
1991 Buick Estate Wagon Wagon1986-1987 Buick Regal 2DR Base
1992-1996 Buick Roadmaster 4DR Base
1992-1996 Buick Roadmaster 4DR LIMITED
1992-1996 Buick Roadmaster 4DR SEDAN
1991-1996 Buick Roadmaster Wagon Base
1992-1996 Buick Roadmaster Wagon ESTATE
1990-1996 Cadillac Fleetwood 4DR Brougham
1986-1996 Chevrolet ASTRO
1986 Chevrolet Berlinetta 2DR
1986-1995 Chevrolet BLAZER
1986 Chevrolet C10
1988-1996 Chevrolet C1500
1986 Chevrolet C20
1988-1990 Chevrolet C2500
1992-1996 Chevrolet C2500
1986 Chevrolet C30
1988-1990 Chevrolet C3500
1992-1996 Chevrolet C3500
1986-1988 Chevrolet Camaro 2DR Base
1993-1996 Chevrolet Camaro 2DR Base
1989-1992 Chevrolet Camaro 2DR RS
1993-1996 Chevrolet Camaro Convertible Base
1989-1992 Chevrolet Camaro Convertible RS
1986-1987 Chevrolet Caprice 2DR CLASSIC
1986-1996 Chevrolet Caprice 4DR Base
1987-1990 Chevrolet Caprice 4DR BROUGHAM
1986-1990 Chevrolet Caprice 4DR CLASSIC
1993-1996 Chevrolet Caprice 4DR CLASSIC
1993-1994 Chevrolet Caprice 4DR CLASSIC LS
1991-1994 Chevrolet Caprice 4DR LS
1987 Chevrolet Caprice Wagon Base
1991-1996 Chevrolet Caprice Wagon Base
1986-1996 Chevrolet Caprice Wagon CLASSIC
1986-1996 Chevrolet Corvette 2DR Base
1986-1996 Chevrolet Corvette Convertible Base
1986-1988 Chevrolet El Camino
1986-1987 Chevrolet El Camino 2DR PICK-UP DELIVERY
1985-1990 Chevrolet G10
1985-1990 Chevrolet G20
1985-1990 Chevrolet G30
1991-1994 Chevrolet HEARSE/LIMO Wagon SS
1994-1996 Chevrolet Impala 4DR SS
1986 Chevrolet K10
1988-1990 Chevrolet K1500
1992-1996 Chevrolet K1500
1986 Chevrolet K20
1988-1990 Chevrolet K2500
1992-1996 Chevrolet K2500
1986 Chevrolet K30
1988-1990 Chevrolet K3500
1992-1996 Chevrolet K3500
1986-1988 Chevrolet Monte Carlo Base
1986-1990 Chevrolet P20
1986-1990 Chevrolet P30
1987-1990 Chevrolet R10
1987-1990 Chevrolet R1500
1987-1990 Chevrolet R20
1987-1990 Chevrolet R2500
1987-1990 Chevrolet R30
1987-1990 Chevrolet R3500
1988-1995 Chevrolet S10
1986-1990 Chevrolet SUBURBAN Base
1992-1996 Chevrolet SUBURBAN Base
1992-1996 Chevrolet Tahoe 2DR Base
1995-1996 Chevrolet Tahoe 4DR Base
1995-1996 Chevrolet Tahoe 4DR CLASSIC
1987-1990 Chevrolet V10
1987-1990 Chevrolet V20
1987-1990 Chevrolet V30
1987-1990 Chevrolet V3500
1986-1996 GMC Forward Control
1987-1994 GMC Pickup Base
1987-1990 GMC Pickup CREW CAB
1996 GMC SAVANA
1991-1994 GMC TYPHOON
1985-1990 GMC Van CARGO
1992-1995 GMC Van CARGO
1996 GMC Van CARGO CLASSIC
1986-1990 GMC Van COMMERCIAL RV
1992-1995 GMC Van COMMERCIAL RV
1996 GMC Van COMMERCIAL RV CLASSIC
1985-1990 GMC Van PASSENGER
1992-1995 GMC Van PASSENGER
1996 GMC Van PASSENGER CLASSIC
1991-1992 Oldsmobile Custom Cruiser Wagon
1986-1987 Oldsmobile Cutlass 2DR SALON
1986-1987 Oldsmobile Cutlass 2DR SUPREME
1986-1987 Oldsmobile Cutlass 2DR SUPREME BROUGHAM
1986-1987 Oldsmobile Cutlass 4DR SUPREME
1986-1987 Oldsmobile Cutlass 4DR SUPREME BROUGHAM
1987 Oldsmobile Cutlass Supreme 2DR Base
1987 Oldsmobile Cutlass Supreme 2DR BROUGHAM
1987 Oldsmobile Cutlass Supreme 4DR Base
1987 Oldsmobile Cutlass Supreme 4DR BROUGHAM
1986 Pontiac Bonneville 4DR Base
1986 Pontiac Bonneville 4DR BROUGHAM
1986 Pontiac Bonneville 4DR LE
1986-1996 Pontiac Firebird 2DR Base
1986 Pontiac Firebird 2DR S/E
1986-1991 Pontiac Firebird 2DR T/A
1986-1988 Pontiac Firebird 2DR Trans Am
1990-1996 Pontiac Firebird 2DR Trans Am
1991-1992 Pontiac Firebird Convertible Base
1994-1996 Pontiac Firebird Convertible Base
1993-1996 Pontiac FORMULA 2DR
1995 Pontiac FORMULA Convertible
1986-1987 Pontiac Grand Prix 2DR Base
1986-1987 Pontiac Grand Prix 2DR BROUGHAM
1986-1987 Pontiac Grand Prix 2DR LE
1986 Pontiac Parisienne 4DR Base
1986 Pontiac Parisienne 4DR BROUGHAM
1986 Pontiac Parisienne Wagon Base
1992 Pontiac TRANS AM 2DR
1992 Pontiac TRANS AM Convertible