Multiply your leg force at the brake pedal for firm, controlled stops with the SKP Power Brake Booster (SK527371). This booster uses engine vacuum to amplify the effort you apply to the brake pedal, reducing the force needed for confident braking. It drops in as a direct-fit replacement across a wide range of 2003-2007 GM full-size trucks and SUVs, including the Chevrolet Silverado 1500/2500/3500, Silverado 1500/2500 HD, Avalanche 1500/2500, Suburban 2500, GMC Sierra 1500/2500/3500 and Sierra 1500/2500 HD, the 2007 Classic variants, and the GMC Yukon XL 2500 — see the Buyer's Guide tab for the full year-by-year list and engine details.
Interchange: 52-7371
527371 · 204777573 · 15854059
This part cross-references / interchanges with the following part numbers:
What does a power brake booster do?
It uses engine vacuum to multiply the force you apply to the brake pedal, reducing the leg effort needed for firm, controlled stops.
Will this SKP booster fit my truck?
It's a direct-fit replacement for many 2003-2007 GM full-size trucks and SUVs like the Silverado, Sierra, Avalanche, Suburban 2500 and Yukon XL 2500. Check the Buyer's Guide tab to confirm your vehicle.
What are signs my brake booster may need replacing?
Common signs include a mushy or unresponsive pedal and higher pedal effort. Diagnose the cause first, since these symptoms can have other sources.
Does this booster meet OE specifications?
Yes. SKP states it is manufactured to meet OE specifications for a proper fit on the listed applications.
What numbers does this part interchange with?
It cross-references 52-7371, 527371, 204777573 and 15854059. Match your original part number to confirm.
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.
