Dorman DOR-555-020 Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470
Features:
- Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Direct replacement – this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
This engine cylinder head plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Attributes:
| Material | Steel |
| Open End Diameter (in) | 1.135 in |
| Closed End Diameter | 1.12 in |
| Package Contents | Cup Type Plug |
Vehicle Applications:
| Make | Model | Years |
| Buick | Century | 1975 to 1988 |
| Buick | Electra | 1985 to 1988 |
| Buick | LeSabre | 1976 to 1988 |
| Buick | Reatta | 1988 to 1988 |
| Buick | Regal | 1975 to 1987 |
| Buick | Riviera | 1979 to 1988 |
| Buick | Skyhawk | 1975 to 1980 |
| Buick | Skylark | 1975 to 1979 |
| Chevrolet | Camaro | 1980 to 1981 |
| Chevrolet | Caprice | 1980 to 1984 |
| Chevrolet | El Camino | 1978 to 1984 |
| Chevrolet | Impala | 1980 to 1984 |
| Chevrolet | Malibu | 1978 to 1983 |
| Chevrolet | Monte Carlo | 1978 to 1984 |
| Chevrolet | Monza | 1980 to 1980 |
| GMC | Caballero | 1978 to 1984 |
| Oldsmobile | 98 | 1985 to 1988 |
| Oldsmobile | Cutlass Calais | 1978 to 1984 |
| Oldsmobile | Cutlass Ciera | 1984 to 1988 |
| Oldsmobile | Cutlass Cruiser | 1980 to 1988 |
| Oldsmobile | Cutlass Salon | 1978 to 1987 |
| Oldsmobile | Cutlass Supreme | 1977 to 1987 |
| Oldsmobile | Cutlass | 1977 to 1981 |
| Oldsmobile | Delta 88 | 1977 to 1988 |
| Oldsmobile | Omega | 1977 to 1979 |
| Oldsmobile | Starfire | 1975 to 1980 |
| Oldsmobile | Toronado | 1986 to 1988 |
| Pontiac | Bonneville | 1980 to 1988 |
| Pontiac | Catalina | 1977 to 1981 |
| Pontiac | Firebird | 1977 to 1981 |
| Pontiac | Grand Am | 1979 to 1979 |
| Pontiac | Grand LeMans | 1977 to 1981 |
| Pontiac | Grand Prix | 1978 to 1987 |
| Pontiac | LeMans | 1977 to 1981 |
| Pontiac | Parisienne | 1984 to 1984 |
| Pontiac | Phoenix | 1977 to 1979 |
| Pontiac | Sunbird | 1976 to 1980 |
| Pontiac | Ventura | 1977 to 1977 |
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