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Make sure this part fits

GM 20812023
Master Cylinder

2008-2011 Chevrolet HHR

Customer Questions & Expert Answers (4)
GM 20812023 Master Cylinder
  • Part Description
    Cylinder, Brake Master Cylinder
  • Replaces
    15939573
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits

  • 20812023 Master Cylinder is Ref No. 1 in the diagram below

    2010 Chevy HHR Master Cylinder Diagram for 20812023
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 20812023

  • Vehicle Fitment

    Year Make Model Trim Engine
    2008-2011 Chevrolet HHRLS, LS Panel, LT, LT Panel, SS, SS Panel4 Cyl 2.0 L GAS, 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 20812023 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 20812023 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the brake master cylinder on Chevrolet HHR? Posted by Customer
    A:
    You must press and release the brake pedal several times before starting the Brake Master Cylinder replacement. Disconnect the battery negative cable. You need to move the electrical center and powertrain control modules aside from the underhood electrical center bracket before you can take out the bracket. Remove the connection between the brake fluid level indicator switch and its electrical system. Separate the master cylinder secondary brake pipe fitting and install the cap while plugging the master cylinder outlet to protect brake fluid from loss and contamination. Afterward remove the master cylinder primary brake pipe fitting and seal the opening with proper caps. Pull off the Brake Master Cylinder nuts and detach the Clutch Hose from the clutch unit when equipped. Secure the joints after sealing the master cylinder clutch port. Separate both the master cylinder assembly and the part that joins with the Brake Booster vacuum. Place the master cylinder on the Brake Booster vacuum seal after you bleed it on a bench press until the seal fits in its designated groove. Attach the master cylinder Clutch Hose quick connect fitting to the vacuum Brake Booster while placing the master cylinder in its correct position. Thread and fasten the Brake Master Cylinder nuts at a torque of 22 nm (16 lb ft). Attach the master cylinder primary pipe connection and tighten it to 21 nm (15 lb ft). Then you need to join the master cylinder secondary brake pipe and adjust its bolt to 21 nm (15 lb ft). Secure the underhood electrical center bracket and place the electrical center and powertrain control modules right against it. Reconnect the battery negative cable. Completing the hydraulic brake system flow process concludes the maintenance procedure.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be disconnected before proceeding with the replacement for the 2008 Chevrolet HHR? Posted by Customer
    A:
    Disconnect the battery negative cable.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    Q:
    What should be done after disconnecting the secondary brake pipe fitting for the 2009 Chevrolet HHR? Posted by Customer
    A:
    Disconnect the master cylinder primary brake pipe fitting, capping the fitting and plugging the outlet port.
    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 Master Cylinder 20812023 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 20812023 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 20812023 Master Cylinder fits certain Chevrolet HHR models.
The original GM component designated by manufacturer part number 20812023 maintains top performance when functioning as the Cylinder, Brake Master Cylinder unit. The component 20812023 is constructed from durable material and its dimensions span 6.3 x 13.8 x 10.5 inches while weighing 2.30 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 20812023 has available replacement options 15939573. 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.