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Chevrolet 12564455 Master Cylinder

1997-2004 Chevrolet Corvette

Customer Questions & Expert Answers (4)
12564455 GM Master Cylinder Product Photo 1 of 1
  • Part Description
    Cylinder, Hydraulic Clutch Main Cylinder
  • Replaces
    12562851
  • Manufacturer
    General Motors
Make sure this part fits
$173.64 MSRP: $299.53
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12564455
    Part DescriptionMaster Cylinder; Cylinder, Hydraulic Clutch Main Cylinder
    Item Dimensions18.4 x 12.6 x 6.1 inches
    Item Weight2.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12562851
    ManufacturerGeneral Motors
    SKU12564455
    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 Engine Important vehicle option details
    1997-2004 Chevrolet Corvette8 Cyl 5.7L2 DOOR, CONVERTIBLE, NOTCHBACK
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12564455 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How do you connect the clutch fluid pressure line to the Clutch Master Cylinder for the 1999 Chevrolet Corvette? Posted by Kelleen B.
    A:
    Connect the clutch fluid pressure line to the master cylinder until a click is heard, inserting the retaining clip for 2005 and later models or attaching the line to the clip for 2004 and earlier models. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Nov 11, 2025
    Q:
    I need all the part necessary to do a complete clutch job on my 2002 Corvette. I think I want a LS7 clutch kit (flywheel, pressure plate, clutch disc, slave cylinder and clutch master cylinder, front roller bearing, flywheel bolts if not in kit and anything I left out that you can think of) and while I am doing this I need all the parts to change out the rear oil seal in my LS1 motor. Posted by Rachelle M. / 2002 Chevrolet Corvette
    A:
    part #12557583, 24255748, 24264180, 12564455, 12571611, 11569956, 12639250
    Answered by GM Parts Specialist Gerson / Mar 22, 2017
    Q:
    Does this master cylinder come with the line that comes off the back of it, that goes down to the slave/master line quick disconnect point? Posted by Mali E. / 2002 Chevrolet Corvette
    A:
    PART NUMBER 12564455 DOES INCLUDE THE PIPE THAT GOES TO THE SLAVE CYLINDER.
    Answered by GM Parts Specialist Sammy / Jan 24, 2017

Genuine GM Part 12564455, the Right Choice

To ensure reliability, purchase GM part # 12564455 Master Cylinder. It is sometimes referred to as Chevrolet Clutch Master Cylinder. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Corvette models.

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