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GM 18039263
Master Cylinder Assembly

1996-2002 GM

Customer Questions & Expert Answers (8)
GM 18039263 Master Cylinder Assembly
  • Part Description
    Cylinder, Brake Master Cylinder; Brake Master Cylinder
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • 18039263 Master Cylinder Assembly is Ref No. 1 in the diagram below

    1997 GMC Savana 3500 Master Cylinder Assembly Diagram for 18039263
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 18039263

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number18039263
    Part DescriptionCylinder, Brake Master Cylinder; Brake Master Cylinder
    Item Dimensions11.6 x 8.1 x 5.7 inches
    Item Weight3.60 Pounds
    ConditionNew
    ManufacturerGeneral Motors
    SKU18039263
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Trim Engine
    1996-2002 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-2002 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
    1996-2002 Chevrolet Express 3500Base, LS6 Cyl 4.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
    1996-1999 Chevrolet P30Base6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
    1996-2002 GMC Savana 1500Base, SLE, SLT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-2002 GMC Savana 2500Base, SLE, SLT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
    1996-2002 GMC Savana 3500Base, SLE, SLT6 Cyl 4.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS

  • Customer Questions & Expert Answers

    Q:
    Is this 18039263 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 18039263 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the brake master cylinder on Chevrolet Express 2500? Posted by Customer
    A:
    The Brake Master Cylinder replacement process starts with applying the park brake to disconnect brake pipes and seal them to block brake fluid from entering the system. Take off Brake Master Cylinder mounting nuts because they connect the Brake Master Cylinder to the Brake Booster. Lift out the Brake Master Cylinder from its position. Before adding the master cylinder begin bleeding its fluid system and place it onto the Brake Booster. Put on the Brake Master Cylinder mounting nuts and tighten them to 36 nm torque setting. Escape the brake pipe plugs then attach them to the Brake Master Cylinder while tightening its brake pipe fasteners to 30 nm torque (22 ft-lbs torque). Use a vacuum to empty the brake system fluid before you lower the parking brake.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the brake master cylinder on GMC Savana 1500? Posted by Customer
    A:
    Start your Brake Master Cylinder replacement by activating the parking brake then blocking the wheels. Insert protection caps onto the brake pipe connection ends before removing them from the Brake Master Cylinder to avoid brake fluid loss and contamination. Separate the Brake Master Cylinder bolts and carefully pull the master cylinder from the vehicle after inserting caps into the exposed brake pipe ends. Empty all brake fluid from the reservoir of the master cylinder. Before attachment to the Brake Booster you should bleed the new master cylinder on a workbench first. Put the master cylinder nuts in place and tighten them to 36 nm (27 ft. Lbs.). Connect Brake Master Cylinder pipes to their corresponding opening and tighten each fitting to 22 ft-pound torque. End the process by draining brake fluid from the system while releasing the parking brake lock then taking away wheel blocks.
    Posted by ChevyPartsGiant Specialist
    Q:
    What are the final steps to complete the overhaul for the 2000 Chevrolet Express 3500? Posted by Customer
    A:
    Install two new grommets, the reservoir on the master cylinder body, and the reservoir cap.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    Q:
    What is the assembly process for the new seals for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Assemble the lubricated new primary seal and retainer, along with the new secondary seal onto the secondary piston.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    Q:
    What should be used to lubricate the master cylinder and components for the 2001 GMC Savana 3500? Posted by Customer
    A:
    Use Delco Supreme 11(R) (GM P/N 12377967) or equivalent DOT-3 brake fluid from a clean, sealed container.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    Q:
    What should be noted while stroking the primary piston for the 2000 GMC Savana 3500? Posted by Customer
    A:
    The piston will not travel the full stroke as air bleeds out.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    Q:
    How do you install the brake master cylinder for the 2000 GMC Savana 3500? Posted by Customer
    A:
    Install the brake master cylinder to the brake booster, ensuring to follow the Fastener Notice in Service Precautions, and secure it with the brake master cylinder mounting nuts, tightening them to 36 Nm (27 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 18039263, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 18039263 Master Cylinder Assembly. It is sometimes referred to as GM Brake Master Cylinder. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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