Dorman - First Stop Clutch Master and Slave Cylinder Assembly P/N:CC649048
Move hydraulic fluid from the clutch pedal to the release mechanism with the Dorman - First Stop Clutch Master and Slave Cylinder Assembly CC649034. The master cylinder converts pedal effort into hydraulic pressure that acts on the slave cylinder to disengage the clutch, and this pre-assembled unit is a direct replacement reverse-engineered from the original on the listed applications. It drops in for the 2003-2006 Chevrolet Silverado 1500 and GMC Sierra 1500, the 2007 Silverado/Sierra 1500 Classic, the 2500/2500 HD and 3500 Silverado and Sierra (including the 2007 Classic variants), across the V8-4.8L, V8-5.3L, V8-6.0L, V8-6.6L, and V8-8.1L engines — see the Buyer's Guide tab for the full list.
Signs the original hydraulic cylinders may need replacing include a soft or sinking clutch pedal, difficulty shifting, and fluid seepage. Country of origin: Mexico.
Interchange: 24235619 · 24235621. Manufacturer part number CC649034.
This part cross-references / interchanges with the following part numbers:
What does this clutch master and slave cylinder assembly do?
The master cylinder turns clutch pedal effort into hydraulic pressure that acts on the slave cylinder to disengage the clutch, allowing smooth gear changes.
Does it come pre-filled and pre-bled?
Yes. The fluid line comes pre-filled and pre-bled, so the unit is ready for immediate performance after installation.
Is a reservoir included?
Yes. It ships as a complete clutch unit with the reservoir included.
What vehicles does CC649034 fit?
It's a direct replacement for the listed 2003-2007 Chevrolet Silverado and GMC Sierra 1500/2500/2500 HD/3500 models with V8-4.8L, V8-5.3L, V8-6.0L, V8-6.6L, or V8-8.1L engines. See the Buyer's Guide tab.
What fluid do the seals work with?
It uses high-quality EPDM rubber components chosen for compatibility with brake fluid. Consult your vehicle service information for the correct fluid specification.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.