The ACDelco Rear Drum Brake Wheel Cylinder 18E57 is engineered to provide superior stopping power and safety. As a high-quality alternative to OEM parts, it seamlessly replaces and enhances your current braking system, backed by ACDelco's legacy of excellence. Designed to withstand diverse driving conditions, this brake wheel cylinder features a unique blend of aluminum and iron castings, ensuring robust performance while reducing the risk of brake failure due to heat, corrosion, and leakage. Ideal for both DIY enthusiasts and professional mechanics, the ACDelco 18E57 comes pre-assembled, allowing for a straightforward installation process. With a smooth bore finish and quality seal, this cylinder extends the lifespan of rubber components, ensuring reliable and consistent braking performance. Perfectly tailored for General Motors vehicles as well as a wide range of other makes and models, this wheel cylinder is a wise investment in your vehicle's safety and longevity. Don't compromise on quality—choose ACDelco for unmatched reliability.

• Meets SAE J1153/1154 performance standards
• Pre-bled for quick, hassle-free installation
• Trivalent coated bleeder screws for added durability
• High-quality aluminum and iron castings
• Backed by General Motors for assured quality
• Compatible with a wide range of vehicle models

Attachment Type:	Bolted
Bleeder Screw Cap Included:	Yes
Bore Diameter:	1.000 inch / 25.4 mm
Casting Material:	Cast Iron
Brake Line Thread Dia:	0.437 inch / 11.1 mm
Height:	2.3 inches
Length:	4 inches
Mount Hole Quantity:	2
Weight:	1.3 lbs

• 1965-1975 Chevrolet Bel Air | Position: Rear
• 1965-1972 Chevrolet Biscayne | Position: Rear
• 1965-1976 Chevrolet Impala | Position: Rear
• 1965-1967 Pontiac Grand Prix | Position: Rear
• 1965-1966 Pontiac Parisienne | Position: Rear
• 1965-1966 Pontiac Star Chief | Position: Rear
• 1967-1976 Chevrolet Caprice | Position: Rear
• 1967 Pontiac Bonneville | Position: Rear
• 1967 Pontiac Catalina | Position: Rear
• 1969-1972 Chevrolet Brookwood | Position: Rear
• 1969-1970 Chevrolet Estate | Position: Rear
• 1981-1982 Chevrolet Impala | Position: Rear
• 1969-1972 Chevrolet Kingswood | Position: Rear
• 1969 Chevrolet Townsman | Position: Rear
• 1971-1974 Pontiac Parisienne | Position: Rear
• 1971-1972 Chevrolet Townsman | Position: Rear
• 1971-1972 Pontiac Bonneville | Position: Rear
• 1971-1976 Pontiac Catalina | Position: Rear
• 1976 Pontiac Parisienne | Position: Rear
• 1971-1976 Buick Estate Wagon | Position: Rear
• 1971-1974 Cadillac Fleetwood | Position: Rear
• 1981-1996 Chevrolet Caprice | Position: Rear
• 1985 Chevrolet Impala | Position: Rear
• 1971-1976 Oldsmobile 98 | Position: Rear
• 1971-1976 Oldsmobile Custom Cruiser | Position: Rear
• 1971-1976 Oldsmobile Delta 88 | Position: Rear
• 1971-1972 Pontiac Grand Safari | Position: Rear
• 1976-1981 Cadillac Fleetwood | Position: Rear
• 1975-1976 Pontiac Bonneville | Position: Rear
• 1973 Chevrolet G30 Van | Position: Rear
• 1973 GMC G35/G3500 Van | Position: Rear
• 1975-1976 Pontiac Grand Safari | Position: Rear
• 1984-1986 Cadillac Fleetwood | Position: Rear
• 1974 Chevrolet C10 Pickup | Position: Rear
• 1974-1984 Chevrolet C10 Suburban | Position: Rear
• 1974 Chevrolet C20 Pickup | Position: Rear
• 1974-1986 Chevrolet C20 Suburban | Position: Rear
• 1974 Chevrolet K10 Pickup | Position: Rear
• 1974 Chevrolet K10 Suburban | Position: Rear
• 1974 Chevrolet K20 Pickup | Position: Rear
• 1974 Chevrolet P10 Van | Position: Rear
• 1974 GMC C15/C1500 Pickup | Position: Rear
• 1974 GMC C15/C1500 Suburban | Position: Rear
• 1974 GMC C25/C2500 Pickup | Position: Rear
• 1974 GMC C25/C2500 Suburban | Position: Rear
• 1974 GMC K15/K1500 Pickup | Position: Rear
• 1974 GMC K25/K2500 Pickup | Position: Rear
• 1974 GMC P15/P1500 Van | Position: Rear
• 1974 GMC P25/P2500 Van | Position: Rear
• 1975-1976 Cadillac Commercial Chassis | Position: Rear
• 1975-1984 Chevrolet C10 | Position: Rear
• 1975-1986 Chevrolet C20 | Position: Rear
• 1975 Chevrolet K10 | Position: Rear
• 1975-1986 Chevrolet K20 | Position: Rear
• 1975 Chevrolet P10 | Position: Rear
• 1975-1978 GMC C15 | Position: Rear
• 1975-1978 GMC C15 Suburban | Position: Rear
• 1975-1978 GMC C25 | Position: Rear
• 1975-1978 GMC C25 Suburban | Position: Rear
• 1975 GMC K15 | Position: Rear
• 1975-1978 GMC K25 | Position: Rear
• 1975 GMC P15 | Position: Rear
• 1975-1978 GMC P25 | Position: Rear
• 1976 Buick Electra | Position: Rear
• 1976 Buick LeSabre | Position: Rear
• 1976 Buick Riviera | Position: Rear
• 1976-1984 Chevrolet G10 | Position: Rear
• 1976-1980 Chevrolet G30 | Position: Rear
• 1976-1986 Chevrolet K20 Suburban | Position: Rear
• 1976-1989 Chevrolet P20 | Position: Rear
• 1976-1978 GMC G15 | Position: Rear
• 1976-1978 GMC G35 | Position: Rear
• 1976-1978 GMC K25 Suburban | Position: Rear
• 1982-1989 Oldsmobile Custom Cruiser | Position: Rear
• 1983-1986 Pontiac Parisienne | Position: Rear
• 1977-1984 Cadillac DeVille | Position: Rear
• 1991-1992 Oldsmobile Custom Cruiser | Position: Rear
• 1977-1978 Oldsmobile Omega | Position: Rear
• 1977 Pontiac Phoenix | Position: Rear
• 1977 Pontiac Ventura | Position: Rear
• 1978-1988 Jeep J20 | Position: Rear
• 1979-1984 Chevrolet K5 Blazer | Position: Rear
• 1979-1984 GMC C1500 | Position: Rear
• 1979-1984 GMC C1500 Suburban | Position: Rear
• 1979-1986 GMC C2500 | Position: Rear
• 1979-1986 GMC C2500 Suburban | Position: Rear
• 1979-1984 GMC G1500 | Position: Rear
• 1979-1980 GMC G3500 | Position: Rear
• 1979-1984 GMC Jimmy | Position: Rear
• 1979-1986 GMC K2500 | Position: Rear
• 1979-1986 GMC K2500 Suburban | Position: Rear
• 1979-1989 GMC P2500 | Position: Rear
• 1993-1996 Cadillac Fleetwood | Position: Rear
• 1982-1989 Buick Electra | Position: Rear
• 1986-1990 Buick LeSabre | Position: Rear
• 1987-1992 Cadillac Brougham | Position: Rear
• 1987 Chevrolet R20 | Position: Rear
• 1987 Chevrolet R20 Suburban | Position: Rear
• 1987 Chevrolet V20 | Position: Rear
• 1987 Chevrolet V20 Suburban | Position: Rear
• 1987 GMC R2500 | Position: Rear
• 1987 GMC R2500 Suburban | Position: Rear
• 1987 GMC V2500 | Position: Rear
• 1987 GMC V2500 Suburban | Position: Rear
• 1987-1989 Pontiac Safari | Position: Rear
• 1992-1996 Cadillac Commercial Chassis | Position: Rear
• 1991-1996 Buick Commercial Chassis | Position: Rear
• 1991-1996 Buick Roadmaster | Position: Rear