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Brake Master Cylinder
PART#: 18M1779
ACDelco
+ 0 More
Fitments
| Year | Make | Model | Submodel | Engine | Fuel Type | Position | Note |
|---|---|---|---|---|---|---|---|
| 1995 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1995 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1995 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1995 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1995 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1995 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1995 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1995 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1995 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1995 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | Chevrolet | G20 | Chevy Van | 6.5V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Beauville | 6.5V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Sportvan | 6.5V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1994 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1994 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1994 | GMC | G2500 | Rally STX | 6.5V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally | 6.5V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Vandura | 6.5V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1994 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Sportvan | 5.7V8 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Chevy Van | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Sportvan | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1993 | Chevrolet | G20 | Beauville | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1993 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1993 | GMC | G1500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1993 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally STX | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Vandura | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1993 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Sportvan | 5.7V8 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | Chevrolet | G20 | Beauville | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Sportvan | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Chevy Van | 6.2V8 | DIESEL | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Plastic Reservoir | |
| 1992 | GMC | G1500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1992 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1992 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally STX | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Vandura | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1992 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Sportvan | 5.7V8 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | Chevrolet | G20 | Beauville | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Chevy Van | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | Chevrolet | G20 | Sportvan | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1991 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1991 | GMC | G2500 | Rally | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Vandura | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1991 | GMC | G2500 | Rally STX | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G10 | Sportvan | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Beauville | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Sportvan | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1990 | Chevrolet | G20 | Chevy Van | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1990 | GMC | G1500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1990 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | Astro | LT | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | Astro | CS | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | Astro | CL | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | Astro | Base | 2.5L4 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | Astro | Base | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Beauville | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Sportvan | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Sportvan | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Chevy Van | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Chevy Van | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Sportvan | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G10 | Beauville | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | Chevrolet | G20 | Chevy Van | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Sportvan | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Chevy Van | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Chevy Van | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Sportvan | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Sportvan | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Sportvan | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Beauville | 5.7V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Beauville | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Beauville | 5.0V8 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Beauville | 4.3V6 | GAS | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | G20 | Chevy Van | 6.2V8 | DIESEL | Replaces 18030558; with Vacuum Booster | |
| 1989 | Chevrolet | P20 | Base | 5.7V8 | GAS | Replaces 18030558; w/ 11" Rear Brakes | |
| 1989 | Chevrolet | P20 | Step-Van | 4.8L6 | GAS | Replaces 18030558; w/ 11" Rear Brakes | |
| 1989 | Chevrolet | P20 | Base | 4.8L6 | GAS | Replaces 18030558; w/ 11" Rear Brakes | |
| 1989 | Chevrolet | P20 | Step-Van | 5.7V8 | GAS | Replaces 18030558; w/ 11" Rear Brakes | |
| 1989 | GMC | G1500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G1500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Vandura | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Vandura | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally STX | 5.0V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally STX | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Vandura | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | G2500 | Rally STX | 5.7V8 | GAS | Replaces 18030558 | |
| 1989 | GMC | P2500 | Base | 5.7V8 | GAS | Replaces 18030558; with 11in Brakes; with 13in Brakes | |
| 1989 | GMC | P2500 | Value Van | 5.7V8 | GAS | Replaces 18030558; with 11in Brakes; with 13in Brakes | |
| 1989 | GMC | P2500 | Base | 4.8L6 | GAS | Replaces 18030558; with 11in Brakes; with 13in Brakes | |
| 1989 | GMC | P2500 | Value Van | 4.8L6 | GAS | Replaces 18030558; with 11in Brakes; with 13in Brakes | |
| 1989 | GMC | Safari | SLE | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | Safari | Base | 2.5L4 | GAS | Replaces 18030558 | |
| 1989 | GMC | Safari | Base | 4.3V6 | GAS | Replaces 18030558 | |
| 1989 | GMC | Safari | SLX | 4.3V6 | GAS | Replaces 18030558 |
About ACDelco
When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.
ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.
When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.
In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.
At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out.
Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.
Specifications
| Bleeder Hoses Included | Yes |
| Bore Size | 28.600 |
| Brake Booster Included | No |
| FAQ - Answer 1 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
| FAQ - Answer 2 | Yes, ACDelco also offers GM OE brake cylinders. |
| FAQ - Answer 3 | Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty. |
| FAQ - Question 1 | Do I have to replace all my brake parts when replacing my brake cylinder? |
| FAQ - Question 2 | Does ACDelco offer other grades of brake cylinders? |
| FAQ - Question 3 | Are these brake parts durable? |
| Features & Benefits - Bullet 1 | Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality |
| Features & Benefits - Bullet 2 | Pressure tested to ensure safe and confident braking |
| Features & Benefits - Bullet 3 | Cast iron and aluminum specifications; no extra stress on the brake boosting mounting |
| Features & Benefits - Bullet 4 | Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit |
| Features & Benefits - Bullet 5 | Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear |
| Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
| Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
| Good Maintenance Practices - Section 1 - Bullet 3 | Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary). |
| Good Maintenance Practices - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
| Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
| Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
| Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
| Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
| Height (in) | 5.6 |
| Length (in) | 11.3 |
| Master Cylinder Bore Diameter | 28.6 |
| Master Cylinder Bore Diameter (in) | 1.125984252 |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Iron |
| Mounting Bracket Included | No |
| Mounting Hole Diameter | 0.433 |
| Mounting Hole Quantity | 2 |
| Port Quantity | 2 |
| Primary Outlet Thread Diameter | 0.5625 |
| Primary Outlet Thread Diameter | 14.287 |
| Product Description | ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function. ⚠ |
| Programming Required | No |
| Push Rod Included | No |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 0.5 |
| Secondary Outlet Thread Diameter | 12.7 |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Brake warning light is on. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Fluid spots beneath the car, indicating there may be a leak within the cylinder. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Difficulty stopping the vehicle. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | A low or sinking brake pedal. |
| Signs of Wear & Troubleshooting - Section 1 - Header | Brake cylinder signs of wear include: |
| Weight (lb) | 5.97 |
| Width (in) | 7.7 |
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns
Delivery Info
Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.
Returns Info
Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.
