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Make sure this part fits

GM 19209239
Master Cylinder

2003-2007 GM

Customer Questions & Expert Answers (17)
GM 19209239 Master Cylinder
GM 19209239 Master Cylinder
GM 19209239 Master Cylinder
GM 19209239 Master Cylinder
GM 19209239 Master Cylinder
  • Part Description
    Cylinder, Brake Master Cylinder
  • Replaces
    18047527
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits

  • 19209239 Master Cylinder is Ref No. 3 in the diagram below

    2003 GMC Sierra 1500 Master Cylinder Diagram for 19209239
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 19209239

  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2005 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2005 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2003-2005 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2003-2005 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2003-2005 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2003-2007 Chevrolet Silverado 1500Base, LS, LT, LTZ, SS, WT, Z71 Off-Road6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 ClassicLS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2005-2006, 2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 19209239 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 19209239 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What tool should be used to depress the primary piston for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Use a smooth, round-ended tool to depress and release the primary piston to a depth of about 25 mm (1 inch) several times.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    How do you remove the master cylinder for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Remove the master cylinder mounting nuts and take the master cylinder out of the vehicle, followed by removing the master cylinder reservoir.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What is the first step in servicing and repairing the brake master cylinder for the 2004 Cadillac Escalade EXT? Posted by Customer
    A:
    Secure the mounting flange in a bench vise, ensuring the rear of the primary piston is accessible.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What needs to be installed to the master cylinder ports for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Install suitable fittings for hose attachment.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What should be done with the electrical connector and brake pipes for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Disconnect the electrical connector from the brake fluid level sensor and the brake pipes from the master cylinder, ensuring to install a rubber cap or plug on the exposed brake pipe fitting ends to prevent fluid loss and contamination.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What is the first step to replace the brake master cylinder for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Apply the park brake and block the wheels.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    How do you secure the master cylinder back for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the master cylinder back into the vehicle and tighten the mounting nuts to 33 Nm (24 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    How should the master cylinder be handled before removing it from the vise for the 2004 Chevrolet Tahoe? Posted by Customer
    A:
    Wrap the master cylinder with a clean shop cloth to prevent spills before finally removing it from the vise.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What should be disconnected from the master cylinder for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Disconnect the electrical connector from the brake fluid level sensor and the brake pipes from the master cylinder.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What is the first step in the installation process for the 2003 Chevrolet Suburban 1500? Posted by Customer
    A:
    Install the master cylinder reservoir.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What is the next step after connecting the brake pipes for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Reconnect the electrical connector to the brake fluid level sensor and bleed the hydraulic brake system.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What should be done before installing the master cylinder back for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Bench bleed the master cylinder.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What is the first step to replace the brake master cylinder for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    First, apply the park brake and block the wheels.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What tool should be used to depress the primary piston for the 2004 GMC Yukon? Posted by Customer
    A:
    Use a smooth, round-ended tool to depress and release the primary piston to a depth of about 25 mm (1 inch) several times.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What should be done after fluid flows freely from the ports for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Remove the transparent hoses from the reservoir, reinstall the master cylinder reservoir cap and diaphragm, and then remove the fittings with the hoses from the ports.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Brake Master Cylinder
    Q:
    What should be done with the transparent hoses for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Attach transparent hoses to the fittings and route them into the master cylinder reservoir.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this 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 Master Cylinder 19209239 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 19209239 Master Cylinder is available in the market under the name GM Brake Master Cylinder. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 19209239 Master Cylinder fits certain Chevrolet Tahoe, Silverado 1500, Silverado 2500 HD models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT models.
The original GM component designated by manufacturer part number 19209239 maintains top performance when functioning as the Cylinder, Brake Master Cylinder unit. The component 19209239 is constructed from durable material and its dimensions span 9.6 x 7.3 x 9.2 inches while weighing 2.60 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Brake Master Cylinder. The part 19209239 has available replacement options 18047527. 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.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.