HomeBrake > Brake HydraulicsSKP SKM630388 Brake Master Cylinder
Part #: SKM630388

SKP SKM630388 Brake Master Cylinder

10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, Aveo, G3, and Wave
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Brake Master Cylinder for Chevrolet Aveo and Pontiac G3

The SKP Brake Master Cylinder restores hydraulic pressure transfer from the brake pedal to the braking system for consistent stopping response. This SKM630388 replacement is built to OE specifications for fit and function on select Chevrolet Aveo, Pontiac G3, and Pontiac Wave applications.

  • Brake master cylinder for hydraulic brake system operation
  • Engineered to meet OE specifications for fit and performance
  • Durable construction for dependable brake pedal response
  • Direct replacement for select 2004-2008 Chevrolet Aveo applications
  • Also fits select 2007-2008 Pontiac G3 and 2006-2008 Pontiac Wave models

Detailed Product Information

SKM630388 is a brake master cylinder designed to convert pedal force into hydraulic pressure for the vehicle’s brake circuits. It is a direct-fit replacement for select Chevrolet Aveo, Pontiac G3, and Pontiac Wave models, including 2004-2008 Chevrolet Aveo with a 7/8 in. bore and 2007-2008 Pontiac G3 with automatic transmission and a 7/8 in. bore. This part cross-references Dorman - First Stop M630388 and Raybestos Brakes MC390881 for the same application.

Common Brake System Issues

  • Low or inconsistent brake pedal feel
  • Loss of hydraulic pressure in the brake system
  • Brake fluid leakage at the master cylinder
  • Uneven or delayed brake response
  • Brake warning concerns tied to master cylinder wear

Installation Notes and Fitment

Compatible With 2004-2008 Chevrolet Aveo, N/A; 2007-2008 Pontiac G3, N/A, w/Automatic Transmission; 2008 Pontiac Wave, N/A; and 2006-2007 Pontiac Wave, N/A. Verify bore size and vehicle configuration before installation. Proper brake bleeding is required after master cylinder replacement to restore hydraulic performance.

Quality Assurance

SKP manufactures this master cylinder to meet OE specifications for fit and reliable brake operation, supporting a direct replacement on the listed applications.

This part fits 10 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2008ChevroletAveoAutomaticN/ABore: 7/8 In.
2008PontiacG3N/Aw/Automatic Transmission; Bore: 7/8 In.
2008PontiacWaveAutomaticN/ABore: 7/8 In.
2007ChevroletAveoAutomaticN/ABore: 7/8 In.
2007PontiacG3N/Aw/Automatic Transmission; Bore: 7/8 In.
2007PontiacWaveAutomaticN/A
2006ChevroletAveoAutomaticN/ABore: 7/8 In.
2006PontiacWaveAutomaticN/A
2005ChevroletAveoAutomaticN/ABore: 7/8 In.
2004ChevroletAveoAutomaticN/ABore: 7/8 In.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

M630388MC390881

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.