Dorman 555-045 Steel Cup Expansion Plug 2-1/64 In., Height 0.650
Features:
- Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
- 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
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
- Direct replacement – this engine camshaft plug matches the fit and function of the factory part on specified years, makes and models
This engine expansion 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:
| Describe Type | Cup Type |
| Minimum Diameter | 2.003 IN |
| Package Contents | Expansion Plug |
| Material | Steel |
| Maximum Diameter | 2.021 IN |
Vehicle Applications:
| Make | Model | Position | Years | Notes |
| Buick | Apollo | Rear | 1973 to 1975 | Steel |
| Buick | Skylark | Rear | 1968 to 1971 | Steel |
| Buick | Special | Rear | 1968 to 1969 | Steel |
| Chevrolet | Astro | Rear | 1985 to 1985 | Steel |
| Chevrolet | Bel Air | Rear | 1963 to 1973 | Steel |
| Chevrolet | Biscayne | Rear | 1963 to 1972 | Steel |
| Chevrolet | Blazer | Rear | 1969 to 1974 | Steel |
| Chevrolet | Brookwood | Rear | 1969 to 1969 | Steel |
| Chevrolet | C10 Pickup | Rear | 1963 to 1974 | Steel |
| Chevrolet | C10 Suburban | Rear | 1968 to 1986 | Steel |
| Chevrolet | C10 | Rear | 1975 to 1986 | Steel |
| Chevrolet | C20 Pickup | Rear | 1963 to 1974 | Steel |
| Chevrolet | C20 Suburban | Rear | 1968 to 1986 | Steel |
| Chevrolet | C20 | Rear | 1975 to 1986 | Steel |
| Chevrolet | C30 Pickup | Rear | 1963 to 1974 | Steel |
| Chevrolet | C30 | Rear | 1975 to 1986 | Steel |
| Chevrolet | Camaro | Rear | 1967 to 1979 | Steel |
| Chevrolet | Caprice | Rear | 1967 to 1979 | Steel |
| Chevrolet | Chevelle | Rear | 1964 to 1972 | Steel |
| Chevrolet | Chevy II | Rear | 1962 to 1968 | Steel |
| Chevrolet | El Camino | Rear | 1964 to 1977 | Steel |
| Chevrolet | G10 Van | Rear | 1964 to 1974 | Steel |
| Chevrolet | G10 | Rear | 1975 to 1986 | Steel |
| Chevrolet | G20 Van | Rear | 1967 to 1974 | Steel |
| Chevrolet | G20 | Rear | 1975 to 1986 | Steel |
| Chevrolet | G30 Van | Rear | 1971 to 1974 | Steel |
| Chevrolet | G30 | Rear | 1975 to 1986 | Steel |
| Chevrolet | Impala | Rear | 1963 to 1979 | Steel |
| Chevrolet | K10 Pickup | Rear | 1964 to 1974 | Steel |
| Chevrolet | K10 Suburban | Rear | 1968 to 1986 | Steel |
| Chevrolet | K10 | Rear | 1975 to 1986 | Steel |
| Chevrolet | K20 Pickup | Rear | 1964 to 1974 | Steel |
| Chevrolet | K20 Suburban | Rear | 1968 to 1986 | Steel |
| Chevrolet | K20 | Rear | 1975 to 1986 | Steel |
| Chevrolet | K30 Pickup | Rear | 1968 to 1974 | Steel |
| Chevrolet | K30 | Rear | 1977 to 1986 | Steel |
| Chevrolet | K5 Blazer | Rear | 1975 to 1986 | Steel |
| Chevrolet | Nova | Rear | 1969 to 1979 | Steel |
| Chevrolet | P10 Series | Rear | 1963 to 1967 | Steel |
| Chevrolet | P10 Van | Rear | 1968 to 1972 | Steel |
| Chevrolet | P10 | Rear | 1975 to 1980 | Steel |
| Chevrolet | P20 Series | Rear | 1963 to 1967 | Steel |
| Chevrolet | P20 Van | Rear | 1968 to 1972 | Steel |
| Chevrolet | P20 | Rear | 1975 to 1989 | Steel |
| Chevrolet | P30 Series | Rear | 1963 to 1967 | Steel |
| Chevrolet | P30 Van | Rear | 1968 to 1974 | Steel |
| Chevrolet | P30 | Rear | 1975 to 1989 | Steel |
| Chevrolet | R20 | Rear | 1987 to 1988 | Steel |
| Chevrolet | R30 | Rear | 1987 to 1988 | Steel |
| Chevrolet | Suburban | Rear | 1963 to 1966 | Steel |
| Chevrolet | V20 | Rear | 1987 to 1987 | Steel |
| Chevrolet | V30 | Rear | 1987 to 1988 | Steel |
| GMC | 1000 Series | Rear | 1964 to 1965 | Steel |
| GMC | 1500 Series | Rear | 1964 to 1965 | Steel |
| GMC | 2500 Series | Rear | 1964 to 1965 | Steel |
| GMC | C15 Suburban | Rear | 1975 to 1978 | Steel |
| GMC | C15/C1500 Pickup | Rear | 1967 to 1974 | Steel |
| GMC | C15/C1500 Suburban | Rear | 1968 to 1974 | Steel |
| GMC | C1500 Suburban | Rear | 1979 to 1986 | Steel |
| GMC | C1500 | Rear | 1979 to 1986 | Steel |
| GMC | C15 | Rear | 1975 to 1978 | Steel |
| GMC | C25 Suburban | Rear | 1975 to 1978 | Steel |
| GMC | C25/C2500 Pickup | Rear | 1967 to 1974 | Steel |
| GMC | C25/C2500 Suburban | Rear | 1968 to 1974 | Steel |
| GMC | C2500 Suburban | Rear | 1979 to 1986 | Steel |
| GMC | C2500 | Rear | 1979 to 1986 | Steel |
| GMC | C25 | Rear | 1975 to 1978 | Steel |
| GMC | C35/C3500 Pickup | Rear | 1967 to 1974 | Steel |
| GMC | C3500 | Rear | 1979 to 1986 | Steel |
| GMC | C35 | Rear | 1975 to 1978 | Steel |
| GMC | Caballero | Rear | 1978 to 1979 | Steel |
| GMC | G1000 Series | Rear | 1964 to 1966 | Steel |
| GMC | G15/G1500 Van | Rear | 1967 to 1974 | Steel |
| GMC | G1500 | Rear | 1979 to 1986 | Steel |
| GMC | G15 | Rear | 1975 to 1978 | Steel |
| GMC | G25/G2500 Van | Rear | 1967 to 1974 | Steel |
| GMC | G2500 | Rear | 1979 to 1986 | Steel |
| GMC | G25 | Rear | 1975 to 1978 | Steel |
| GMC | G35/G3500 Van | Rear | 1971 to 1974 | Steel |
| GMC | G3500 | Rear | 1979 to 1986 | Steel |
| GMC | G35 | Rear | 1975 to 1978 | Steel |
| GMC | Jimmy | Rear | 1971 to 1986 | Steel |
| GMC | K15 Suburban | Rear | 1975 to 1978 | Steel |
| GMC | K15/K1500 Pickup | Rear | 1967 to 1974 | Steel |
| GMC | K15/K1500 Suburban | Rear | 1968 to 1974 | Steel |
| GMC | K1500 Suburban | Rear | 1979 to 1986 | Steel |
| GMC | K1500 | Rear | 1979 to 1986 | Steel |
| GMC | K15 | Rear | 1975 to 1978 | Steel |
| GMC | K25 Suburban | Rear | 1975 to 1978 | Steel |
| GMC | K25/K2500 Pickup | Rear | 1967 to 1974 | Steel |
| GMC | K25/K2500 Suburban | Rear | 1968 to 1974 | Steel |
| GMC | K2500 Suburban | Rear | 1979 to 1984 | Steel |
| GMC | K2500 | Rear | 1979 to 1986 | Steel |
| GMC | K25 | Rear | 1975 to 1978 | Steel |
| GMC | K35/K3500 Pickup | Rear | 1968 to 1974 | Steel |
| GMC | K3500 | Rear | 1979 to 1986 | Steel |
| GMC | K35 | Rear | 1977 to 1978 | Steel |
| GMC | P15/P1500 Van | Rear | 1967 to 1970 | Steel |
| GMC | P1500 | Rear | 1979 to 1980 | Steel |
| GMC | P15 | Rear | 1975 to 1978 | Steel |
| GMC | P25/P2500 Van | Rear | 1967 to 1974 | Steel |
| GMC | P2500 | Rear | 1979 to 1989 | Steel |
| GMC | P25 | Rear | 1975 to 1978 | Steel |
| GMC | P35/P3500 Van | Rear | 1967 to 1974 | Steel |
| GMC | P3500 | Rear | 1979 to 1989 | Steel |
| GMC | P35 | Rear | 1975 to 1978 | Steel |
| GMC | PB1000 Series | Rear | 1963 to 1966 | Steel |
| GMC | PB15 Series | Rear | 1966 to 1966 | Steel |
| GMC | PB1500 Series | Rear | 1963 to 1965 | Steel |
| GMC | PB25 Series | Rear | 1966 to 1966 | Steel |
| GMC | PB2500 Series | Rear | 1963 to 1965 | Steel |
| GMC | R2500 | Rear | 1987 to 1988 | Steel |
| GMC | R3500 | Rear | 1987 to 1988 | Steel |
| GMC | Safari | Rear | 1985 to 1985 | Steel |
| GMC | Sprint | Rear | 1971 to 1977 | Steel |
| GMC | Suburban | Rear | 1963 to 1966 | Steel |
| GMC | V2500 | Rear | 1987 to 1987 | Steel |
| GMC | V3500 | Rear | 1987 to 1988 | Steel |
| Oldsmobile | Cutlass Supreme | Rear | 1975 to 1976 | Steel |
| Oldsmobile | Cutlass | Rear | 1968 to 1976 | Steel |
| Oldsmobile | F85 | Rear | 1966 to 1971 | Steel |
| Oldsmobile | Omega | Rear | 1973 to 1976 | Steel |
| Pontiac | Firebird | Rear | 1967 to 1976 | Steel |
| Pontiac | Grand LeMans | Rear | 1975 to 1976 | Steel |
| Pontiac | LeMans | Rear | 1966 to 1976 | Steel |
| Pontiac | Tempest | Rear | 1962 to 1970 | Steel |
| Pontiac | Ventura | Rear | 1971 to 1976 | Steel |






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