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Pioneer Cables 749114 Automatic Transmission Valve Body Cover Gasket
| Brand | Pioneer Cables 749114 |
|---|---|
| Fits | Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac · 218 vehicles |
Exact fit replacement. No-compromise valve body cover gasket for straightforward service.
Automatic transmission gasket for sealing the valve body cover.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Automatic Transmission Valve Body Cover Gasket
Pioneer Cables 749114 is an automatic transmission valve body cover gasket for lower cover applications. It is an exact-fit replacement part from Pioneer Transmission Components, built for direct service on a wide range of classic GM cars and trucks.
- Lower automatic transmission valve body cover gasket
- Exact-fit replacement from Pioneer Cables
- Compatible with select THM250C/M31, THM350, and THM350C applications where noted
- Fits many Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac models
- Part number 749114 for catalog and service lookup
Vehicle Fitment
- Fits 1986 Chevrolet C10, lower.
- Fits 1980-1984 Chevrolet C10, lower.
- Fits 1986 Chevrolet C20, lower; only fits THM250C/M31, THM350.
- Fits 1986 Chevrolet C20 Suburban, lower.
- Fits 1980-1984 Chevrolet C20 Suburban, lower.
- Fits 1986 Chevrolet C30, lower.
- Fits 1980-1981 Chevrolet C30, lower.
- Fits 1986 Chevrolet G10, lower.
- Fits 1984 Chevrolet G10, lower.
- Fits 1980-1982 Chevrolet G10, lower.
- Fits 1986 Chevrolet G20, lower.
- Fits 1984 Chevrolet G20, lower.
- Fits 1980-1982 Chevrolet G20, lower.
- Fits 1986 Chevrolet K10, lower.
- Fits 1980-1983 Chevrolet K10, lower.
- Fits 1986 Chevrolet K20 Suburban, lower.
- Fits 1980-1981 Chevrolet K20 Suburban, lower.
- Fits 1986 Chevrolet K5 Blazer, lower.
- Fits 1980-1982 Chevrolet K5 Blazer, lower.
- Fits 1986 GMC C1500, lower.
- Fits 1980-1984 GMC C1500, lower.
- Fits 1986 GMC C2500, lower.
- Fits 1980-1984 GMC C2500, lower.
- Fits 1986 GMC C2500 Suburban, lower.
- Fits 1980-1984 GMC C2500 Suburban, lower.
- Fits 1986 GMC C3500, lower.
- Fits 1980-1981 GMC C3500, lower.
- Fits 1986 GMC G1500, lower.
- Fits 1980-1984 GMC G1500, lower.
- Fits 1986 GMC G2500, lower.
- Fits 1984 GMC G2500, lower.
- Fits 1980-1982 GMC G2500, lower.
- Fits 1985-1986 GMC G3500, lower.
- Fits 1980-1981 GMC G3500, lower.
- Fits 1986 GMC Jimmy, lower.
- Fits 1980-1982 GMC Jimmy, lower.
- Fits 1986 GMC K1500, lower.
- Fits 1980-1982 GMC K1500, lower.
- Fits 1980-1985 Buick LeSabre, lower.
- Fits 1980-1985 Buick Regal, lower.
- Fits 1985 Oldsmobile Cutlass Salon, lower.
- Fits 1980 Oldsmobile Cutlass Salon, lower.
- Fits 1980-1984 Chevrolet C10 Suburban, lower.
- Fits 1980-1984 Chevrolet C20, lower.
- Fits 1983-1984 Chevrolet Caprice, lower.
- Fits 1980 Chevrolet Caprice, lower.
- Fits 1980-1984 Chevrolet El Camino, lower.
- Fits 1984 Chevrolet G30, lower.
- Fits 1980-1982 Chevrolet G30, lower.
- Fits 1980-1984 Chevrolet Impala, lower.
- Fits 1981-1984 Chevrolet Monte Carlo, lower; only fits THM350.
- Fits 1980-1984 GMC C1500 Suburban, lower.
- Fits 1984 Oldsmobile Cutlass Ciera, lower; only fits THM250C/M31, THM350, THM350C.
- Fits 1982-1984 Oldsmobile Cutlass Supreme, lower.
- Fits 1980-1984 Oldsmobile Delta 88, lower.
- Fits 1980-1984 Pontiac Bonneville, lower.
- Fits 1980-1984 Pontiac Grand Prix, lower.
- Fits 1983-1984 Pontiac Parisienne, lower.
- Fits 1982-1983 Chevrolet Malibu, lower.
- Fits 1980 Chevrolet Malibu, lower.
- Fits 1980-1983 Oldsmobile 98, lower.
- Fits 1980-1983 Oldsmobile Custom Cruiser, lower.
- Fits 1981-1983 Oldsmobile Cutlass Cruiser, lower.
- Fits 1982 Cadillac DeVille, lower.
- Fits 1980 Cadillac DeVille, lower.
- Fits 1982 Cadillac Fleetwood, lower.
- Fits 1980 Cadillac Fleetwood, lower.
- Fits 1981-1982 Chevrolet Caprice, lower; only fits THM350.
- Fits 1980-1982 Chevrolet K10 Suburban, lower.
- Fits 1980-1982 GMC K1500 Suburban, lower.
- Fits 1982 Pontiac Parisienne, lower; only fits THM250C/M31, THM350, THM350C.
- Fits 1980-1981 Buick Century, lower.
- Fits 1981 Chevrolet Bel Air, lower; only fits THM250C/M31, THM350, THM350C.
- Fits 1980-1981 Chevrolet Camaro, lower.
- Fits 1980-1981 Chevrolet Corvette, lower.
- Fits 1980-1981 Chevrolet K20, lower.
- Fits 1980-1981 Chevrolet K30, lower.
- Fits 1981 Chevrolet Malibu, lower; only fits THM350.
- Fits 1980-1981 GMC K2500, lower.
- Fits 1980-1981 GMC K2500 Suburban, lower.
- Fits 1980-1981 GMC K3500, lower.
- Fits 1980-1981 Oldsmobile Cutlass, lower.
- Fits 1980-1981 Pontiac Catalina, lower.
- Fits 1980-1981 Pontiac Firebird, lower.
- Fits 1980-1981 Pontiac LeMans, lower.
- Fits 1980 Buick Skyhawk, lower.
- Fits 1980 Chevrolet Monte Carlo, lower.
- Fits 1980 Chevrolet Monza, lower.
- Fits 1980 Chevrolet P10, lower.
- Fits 1980 Chevrolet P20, lower.
- Fits 1980 Chevrolet P30, lower.
- Fits 1980 GMC P1500, lower.
- Fits 1980 GMC P2500, lower.
- Fits 1980 GMC P3500, lower.
- Fits 1980 Oldsmobile Starfire, lower.
- Fits 1980 Pontiac Grand Am, lower.
- Fits 1980 Pontiac Sunbird, lower.
Common Repair Uses
- Sealing a leaking lower valve body cover on a GM automatic transmission
- Restoring proper transmission fluid containment during service
- Replacing a damaged or flattened gasket during transmission maintenance
- Addressing seepage around the lower transmission valve body cover
- Supporting service work on THM250C/M31, THM350, and THM350C-equipped vehicles where listed
Installation Notes
Confirm the transmission family and the lower-cover application before installation. Clean the mating surfaces thoroughly, inspect the cover for warpage, and verify the gasket seats evenly before reassembly. Use the fitment notes to match THM250C/M31, THM350, or THM350C requirements where specified.
Quality Assurance
Pioneer Transmission Components markets this gasket as an exact-fit replacement part, built for direct service without compromise. Part number 749114 helps confirm the correct lower valve body cover gasket for the listed Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1986 | Chevrolet | C10 | N/A | Position: Lower |
| 1986 | Chevrolet | C20 | N/A | Position: Lower; Only Fits THM250C/M31, THM350 |
| 1986 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1986 | Chevrolet | C30 | N/A | Position: Lower |
| 1986 | Chevrolet | G10 | N/A | Position: Lower |
| 1986 | Chevrolet | G20 | N/A | Position: Lower |
| 1986 | Chevrolet | K10 | N/A | Position: Lower |
| 1986 | Chevrolet | K20 Suburban | N/A | Position: Lower |
| 1986 | Chevrolet | K5 Blazer | N/A | Position: Lower |
| 1986 | GMC | C1500 | N/A | Position: Lower |
| 1986 | GMC | C2500 | N/A | Position: Lower |
| 1986 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1986 | GMC | C3500 | N/A | Position: Lower |
| 1986 | GMC | G1500 | N/A | Position: Lower |
| 1986 | GMC | G2500 | N/A | Position: Lower |
| 1986 | GMC | G3500 | N/A | Position: Lower |
| 1986 | GMC | Jimmy | N/A | Position: Lower |
| 1986 | GMC | K1500 | N/A | Position: Lower |
| 1985 | Buick | LeSabre | N/A | Position: Lower |
| 1985 | Buick | Regal | N/A | Position: Lower |
| 1985 | GMC | G3500 | N/A | Position: Lower |
| 1985 | Oldsmobile | Cutlass Salon | N/A | Position: Lower |
| 1984 | Buick | LeSabre | N/A | Position: Lower |
| 1984 | Buick | Regal | N/A | Position: Lower |
| 1984 | Chevrolet | C10 | N/A | Position: Lower |
| 1984 | Chevrolet | C10 Suburban | N/A | Position: Lower |
| 1984 | Chevrolet | C20 | N/A | Position: Lower |
| 1984 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1984 | Chevrolet | Caprice | N/A | Position: Lower |
| 1984 | Chevrolet | El Camino | N/A | Position: Lower |
| 1984 | Chevrolet | G10 | N/A | Position: Lower |
| 1984 | Chevrolet | G20 | N/A | Position: Lower |
| 1984 | Chevrolet | G30 | N/A | Position: Lower |
| 1984 | Chevrolet | Impala | N/A | Position: Lower |
| 1984 | Chevrolet | Monte Carlo | N/A | Position: Lower; Only Fits THM350 |
| 1984 | GMC | C1500 | N/A | Position: Lower |
| 1984 | GMC | C1500 Suburban | N/A | Position: Lower |
| 1984 | GMC | C2500 | N/A | Position: Lower |
| 1984 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1984 | GMC | G1500 | N/A | Position: Lower |
| 1984 | GMC | G2500 | N/A | Position: Lower |
| 1984 | Oldsmobile | Cutlass Ciera | N/A | Position: Lower; Only Fits THM250C/M31, THM350, THM350C |
| 1984 | Oldsmobile | Cutlass Supreme | N/A | Position: Lower |
| 1984 | Oldsmobile | Delta 88 | N/A | Position: Lower |
| 1984 | Pontiac | Bonneville | N/A | Position: Lower |
| 1984 | Pontiac | Grand Prix | N/A | Position: Lower |
| 1984 | Pontiac | Parisienne | N/A | Position: Lower |
| 1983 | Buick | LeSabre | N/A | Position: Lower |
| 1983 | Buick | Regal | N/A | Position: Lower |
| 1983 | Chevrolet | C10 | N/A | Position: Lower |
| 1983 | Chevrolet | C10 Suburban | N/A | Position: Lower |
| 1983 | Chevrolet | C20 | N/A | Position: Lower |
| 1983 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1983 | Chevrolet | Caprice | N/A | Position: Lower |
| 1983 | Chevrolet | El Camino | N/A | Position: Lower |
| 1983 | Chevrolet | Impala | N/A | Position: Lower |
| 1983 | Chevrolet | K10 | N/A | Position: Lower |
| 1983 | Chevrolet | Malibu | N/A | Position: Lower |
| 1983 | Chevrolet | Monte Carlo | N/A | Position: Lower; Only Fits THM350 |
| 1983 | GMC | C1500 | N/A | Position: Lower |
| 1983 | GMC | C1500 Suburban | N/A | Position: Lower |
| 1983 | GMC | C2500 | N/A | Position: Lower |
| 1983 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1983 | GMC | G1500 | N/A | Position: Lower |
| 1983 | Oldsmobile | 98 | N/A | Position: Lower |
| 1983 | Oldsmobile | Custom Cruiser | N/A | Position: Lower |
| 1983 | Oldsmobile | Cutlass Cruiser | N/A | Position: Lower |
| 1983 | Oldsmobile | Cutlass Supreme | N/A | Position: Lower |
| 1983 | Oldsmobile | Delta 88 | N/A | Position: Lower |
| 1983 | Pontiac | Bonneville | N/A | Position: Lower |
| 1983 | Pontiac | Grand Prix | N/A | Position: Lower |
| 1983 | Pontiac | Parisienne | N/A | Position: Lower |
| 1982 | Buick | LeSabre | N/A | Position: Lower |
| 1982 | Buick | Regal | N/A | Position: Lower |
| 1982 | Cadillac | DeVille | N/A | Position: Lower |
| 1982 | Cadillac | Fleetwood | N/A | Position: Lower |
| 1982 | Chevrolet | C10 | N/A | Position: Lower |
| 1982 | Chevrolet | C10 Suburban | N/A | Position: Lower |
| 1982 | Chevrolet | C20 | N/A | Position: Lower |
| 1982 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1982 | Chevrolet | Caprice | N/A | Position: Lower; Only Fits THM350 |
| 1982 | Chevrolet | El Camino | N/A | Position: Lower |
| 1982 | Chevrolet | G10 | N/A | Position: Lower |
| 1982 | Chevrolet | G20 | N/A | Position: Lower |
| 1982 | Chevrolet | G30 | N/A | Position: Lower |
| 1982 | Chevrolet | Impala | N/A | Position: Lower |
| 1982 | Chevrolet | K10 | N/A | Position: Lower |
| 1982 | Chevrolet | K10 Suburban | N/A | Position: Lower |
| 1982 | Chevrolet | K5 Blazer | N/A | Position: Lower |
| 1982 | Chevrolet | Malibu | N/A | Position: Lower |
| 1982 | Chevrolet | Monte Carlo | N/A | Position: Lower; Only Fits THM350 |
| 1982 | GMC | C1500 | N/A | Position: Lower |
| 1982 | GMC | C1500 Suburban | N/A | Position: Lower |
| 1982 | GMC | C2500 | N/A | Position: Lower |
| 1982 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1982 | GMC | G1500 | N/A | Position: Lower |
| 1982 | GMC | G2500 | N/A | Position: Lower |
| 1982 | GMC | Jimmy | N/A | Position: Lower |
| 1982 | GMC | K1500 | N/A | Position: Lower |
| 1982 | GMC | K1500 Suburban | N/A | Position: Lower |
| 1982 | Oldsmobile | 98 | N/A | Position: Lower |
| 1982 | Oldsmobile | Custom Cruiser | N/A | Position: Lower |
| 1982 | Oldsmobile | Cutlass Cruiser | N/A | Position: Lower |
| 1982 | Oldsmobile | Cutlass Supreme | N/A | Position: Lower |
| 1982 | Oldsmobile | Delta 88 | N/A | Position: Lower |
| 1982 | Pontiac | Bonneville | N/A | Position: Lower |
| 1982 | Pontiac | Grand Prix | N/A | Position: Lower |
| 1982 | Pontiac | Parisienne | N/A | Position: Lower; Only Fits THM250C/M31, THM350, THM350C |
| 1981 | Buick | Century | N/A | Position: Lower |
| 1981 | Buick | LeSabre | N/A | Position: Lower |
| 1981 | Buick | Regal | N/A | Position: Lower |
| 1981 | Chevrolet | Bel Air | N/A | Position: Lower; Only Fits THM250C/M31, THM350, THM350C |
| 1981 | Chevrolet | C10 | N/A | Position: Lower |
| 1981 | Chevrolet | C10 Suburban | N/A | Position: Lower |
| 1981 | Chevrolet | C20 | N/A | Position: Lower |
| 1981 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1981 | Chevrolet | C30 | N/A | Position: Lower |
| 1981 | Chevrolet | Camaro | N/A | Position: Lower |
| 1981 | Chevrolet | Caprice | N/A | Position: Lower; Only Fits THM350 |
| 1981 | Chevrolet | Corvette | N/A | Position: Lower |
| 1981 | Chevrolet | El Camino | N/A | Position: Lower |
| 1981 | Chevrolet | G10 | N/A | Position: Lower |
| 1981 | Chevrolet | G20 | N/A | Position: Lower |
| 1981 | Chevrolet | G30 | N/A | Position: Lower |
| 1981 | Chevrolet | Impala | N/A | Position: Lower |
| 1981 | Chevrolet | K10 | N/A | Position: Lower |
| 1981 | Chevrolet | K10 Suburban | N/A | Position: Lower |
| 1981 | Chevrolet | K20 | N/A | Position: Lower |
| 1981 | Chevrolet | K20 Suburban | N/A | Position: Lower |
| 1981 | Chevrolet | K30 | N/A | Position: Lower |
| 1981 | Chevrolet | K5 Blazer | N/A | Position: Lower |
| 1981 | Chevrolet | Malibu | N/A | Position: Lower; Only Fits THM350 |
| 1981 | Chevrolet | Monte Carlo | N/A | Position: Lower; Only Fits THM350 |
| 1981 | GMC | C1500 | N/A | Position: Lower |
| 1981 | GMC | C1500 Suburban | N/A | Position: Lower |
| 1981 | GMC | C2500 | N/A | Position: Lower |
| 1981 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1981 | GMC | C3500 | N/A | Position: Lower |
| 1981 | GMC | G1500 | N/A | Position: Lower |
| 1981 | GMC | G2500 | N/A | Position: Lower |
| 1981 | GMC | G3500 | N/A | Position: Lower |
| 1981 | GMC | Jimmy | N/A | Position: Lower |
| 1981 | GMC | K1500 | N/A | Position: Lower |
| 1981 | GMC | K1500 Suburban | N/A | Position: Lower |
| 1981 | GMC | K2500 | N/A | Position: Lower |
| 1981 | GMC | K2500 Suburban | N/A | Position: Lower |
| 1981 | GMC | K3500 | N/A | Position: Lower |
| 1981 | Oldsmobile | 98 | N/A | Position: Lower |
| 1981 | Oldsmobile | Custom Cruiser | N/A | Position: Lower |
| 1981 | Oldsmobile | Cutlass | N/A | Position: Lower |
| 1981 | Oldsmobile | Cutlass Cruiser | N/A | Position: Lower |
| 1981 | Oldsmobile | Delta 88 | N/A | Position: Lower |
| 1981 | Pontiac | Bonneville | N/A | Position: Lower |
| 1981 | Pontiac | Catalina | N/A | Position: Lower |
| 1981 | Pontiac | Firebird | N/A | Position: Lower |
| 1981 | Pontiac | Grand Prix | N/A | Position: Lower |
| 1981 | Pontiac | LeMans | N/A | Position: Lower |
| 1980 | Buick | Century | N/A | Position: Lower |
| 1980 | Buick | LeSabre | N/A | Position: Lower |
| 1980 | Buick | Regal | N/A | Position: Lower |
| 1980 | Buick | Skyhawk | N/A | Position: Lower |
| 1980 | Cadillac | DeVille | N/A | Position: Lower |
| 1980 | Cadillac | Fleetwood | N/A | Position: Lower |
| 1980 | Chevrolet | C10 | N/A | Position: Lower |
| 1980 | Chevrolet | C10 Suburban | N/A | Position: Lower |
| 1980 | Chevrolet | C20 | N/A | Position: Lower |
| 1980 | Chevrolet | C20 Suburban | N/A | Position: Lower |
| 1980 | Chevrolet | C30 | N/A | Position: Lower |
| 1980 | Chevrolet | Camaro | N/A | Position: Lower |
| 1980 | Chevrolet | Caprice | N/A | Position: Lower |
| 1980 | Chevrolet | Corvette | N/A | Position: Lower |
| 1980 | Chevrolet | El Camino | N/A | Position: Lower |
| 1980 | Chevrolet | G10 | N/A | Position: Lower |
| 1980 | Chevrolet | G20 | N/A | Position: Lower |
| 1980 | Chevrolet | G30 | N/A | Position: Lower |
| 1980 | Chevrolet | Impala | N/A | Position: Lower |
| 1980 | Chevrolet | K10 | N/A | Position: Lower |
| 1980 | Chevrolet | K10 Suburban | N/A | Position: Lower |
| 1980 | Chevrolet | K20 | N/A | Position: Lower |
| 1980 | Chevrolet | K20 Suburban | N/A | Position: Lower |
| 1980 | Chevrolet | K30 | N/A | Position: Lower |
| 1980 | Chevrolet | K5 Blazer | N/A | Position: Lower |
| 1980 | Chevrolet | Malibu | N/A | Position: Lower |
| 1980 | Chevrolet | Monte Carlo | N/A | Position: Lower |
| 1980 | Chevrolet | Monza | N/A | Position: Lower |
| 1980 | Chevrolet | P10 | N/A | Position: Lower |
| 1980 | Chevrolet | P20 | N/A | Position: Lower |
| 1980 | Chevrolet | P30 | N/A | Position: Lower |
| 1980 | GMC | C1500 | N/A | Position: Lower |
| 1980 | GMC | C1500 Suburban | N/A | Position: Lower |
| 1980 | GMC | C2500 | N/A | Position: Lower |
| 1980 | GMC | C2500 Suburban | N/A | Position: Lower |
| 1980 | GMC | C3500 | N/A | Position: Lower |
| 1980 | GMC | G1500 | N/A | Position: Lower |
| 1980 | GMC | G2500 | N/A | Position: Lower |
| 1980 | GMC | G3500 | N/A | Position: Lower |
| 1980 | GMC | Jimmy | N/A | Position: Lower |
| 1980 | GMC | K1500 | N/A | Position: Lower |
| 1980 | GMC | K1500 Suburban | N/A | Position: Lower |
| 1980 | GMC | K2500 | N/A | Position: Lower |
| 1980 | GMC | K2500 Suburban | N/A | Position: Lower |
| 1980 | GMC | K3500 | N/A | Position: Lower |
| 1980 | GMC | P1500 | N/A | Position: Lower |
| 1980 | GMC | P2500 | N/A | Position: Lower |
| 1980 | GMC | P3500 | N/A | Position: Lower |
| 1980 | Oldsmobile | 98 | N/A | Position: Lower |
| 1980 | Oldsmobile | Custom Cruiser | N/A | Position: Lower |
| 1980 | Oldsmobile | Cutlass | N/A | Position: Lower |
| 1980 | Oldsmobile | Cutlass Salon | N/A | Position: Lower |
| 1980 | Oldsmobile | Delta 88 | N/A | Position: Lower |
| 1980 | Oldsmobile | Starfire | N/A | Position: Lower |
| 1980 | Pontiac | Bonneville | N/A | Position: Lower |
| 1980 | Pontiac | Catalina | N/A | Position: Lower |
| 1980 | Pontiac | Firebird | N/A | Position: Lower |
| 1980 | Pontiac | Grand Am | N/A | Position: Lower |
| 1980 | Pontiac | Grand Prix | N/A | Position: Lower |
| 1980 | Pontiac | LeMans | N/A | Position: Lower |
| 1980 | Pontiac | Sunbird | N/A | Position: Lower |
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