Make sure this part fits

GM 25533639
Valve Block

1987-1993 GM

Customer Questions & Expert Answers (1)
GM 25533639 Valve Block
  • Part Description
    Valve, Brake Master Cylinder Proportioning; Brake Proportioning Valve
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    1989-1990 Buick ElectraLimited, Park Avenue, Park Avenue Ultra, T-Type6 Cyl 3.8 L GAS
    1991-1993 Buick Park AvenueBase, Ultra6 Cyl 3.8 L GAS
    1989-1990 Cadillac BroughamBase, d'Elegance8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1989-1990 Cadillac DeVilleBase8 Cyl 4.5 L GAS
    1989-1990 Cadillac Fleetwood60 Special, Base, d'Elegance8 Cyl 4.5 L GAS
    1987-1993 Oldsmobile 98Regency, Regency Brougham, Regency Elite, Regency Grande, Regency Touring, Touring6 Cyl 3.8 L GAS
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 25533639 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 25533639 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Valve Block 25533639 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 25533639 Valve Block is available in the market under the name GM Brake Proportioning Valve. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 25533639 Valve Block fits certain Cadillac DeVille, Fleetwood, Brougham models, as well as Buick Electra, Park Avenue. Additionally, it is compatible with Oldsmobile 98 models.
The original GM component designated by manufacturer part number 25533639 maintains top performance when functioning as the Valve, Brake Master Cylinder Proportioning; Brake Proportioning Valve unit. The component 25533639 is constructed from durable material and its dimensions span 7.1 x 7.4 x 5.6 inches while weighing 4.00 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Pressure Metering Valve; Modulator; Valve, Brake Master Cylinder Reservoir. The part 25533639 has available replacement options. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
The GM part 25533639 Valve Block is important in ensuring optimum performance of brakes by improving front-to-rear balance of brakes in cases of extreme braking. This component is successful in restricting the pressure on the rear brakes, which may lead to rear wheel lockup, thus efficient braking. Maintenance should be performed regularly; such as it is also necessary to lubricate new o-rings and valve threads with clean brake fluid during installation to allow an easy fit. Uninstalling the valve requires that you get rid of the negative battery cable and braking lines and make sure you clean all the parts without forgetting them. In the case of cars that have had Anti-Lock brakes fitted, before removing the hydraulic system, there is a need to depressurize it properly before doing so. Using authentic GM components like the 25533639 will ensure that the specifications applied are the factory ones, and hence the process of installation proceeds with ease. Our site is also a complete range of OEM GM components, with a warranty of the manufacturer, which will guarantee your vehicle with quality and dependability.