< Back ×
Genuine GM 1257203
Valve, Brake Combination
- Part Description VALVE, Brake Pressure Regulator
- Brand GM
- Manufacturer's Notes This part is discontinued.
Vehicle Specific
Check if it fits by entering your vehicle infoSelect Your Vehicle
Why Choose AutoPartsPrime
- Dedicated Service
We have experienced professionals here to help you via phone, live chat or email.
- Unbeatable Prices
We offer genuine OEM parts at the best possible discounted prices online.
- Fast Delivery
Your orders are processed efficiently and delivered as promptly as possible.
Shipping & Return
Product Specifications
Brand Genuine General Motors Manufacturer Part Number 1257203 Part Description VALVE, Brake Pressure Regulator Other Description Valve, Brake Combination Item Dimensions 6.2 x 5.6 x 3.3 inches Item Weight 1.90 Pounds Condition New Fitment Type Direct Replacement Manufacturer Genuine General Motors SKU 1257203 Warranty This genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page. Warning: California’s Proposition 65Vehicle Fitment
Year Make Model Engine Important vehicle option details 1985-1991 Chevrolet G10 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1/2 TON CARGO, 1/2 TON PASSENGER 1985-1991 Chevrolet G20 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER 1985-1991 Chevrolet G30 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER 1987-1989 Chevrolet P20 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel CHASSIS 3/4 TON DELIVERY 1987-1990 Chevrolet P30 4 Cyl 3.9L Diesel, 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L CHASSIS 1 TON DELIVERY, CHASSIS DELIVERY 1985-1991 GMC G1500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1/2 TON CARGO, 1/2 TON PASSENGER 1985-1991 GMC G2500 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel 1/2 TON CARGO, 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER 1985-1991 GMC G3500 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L 1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER 1987-1989 GMC P2500 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel CHASSIS 3/4 TON DELIVERY 1987-1990 GMC P3500 4 Cyl 3.9L Diesel, 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L CHASSIS 1 TON DELIVERY, CHASSIS DELIVERY
Related Parts for 1257203
Brake Line 12548430 Your Price: $34.59 
Heat Shield Bracket 11508534 Your Price: $9.07
OEM GM 1257203 at AutoPartsPrime, Your Right Choice
- The part number 1257203, Valve, Brake Combination, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Chevrolet G10, G20, P30. It fits GMC G1500, G2500, G3500. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
- AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.