Vacuum Power Brake Booster – For Chevy Silverado 1500, Suburban 2500, GMC Sierra (2003-2007) – Replaces 54-74826

Is your brake pedal feeling hard as a rock?

You might need a new vacuum booster.

This unit fits a ton of 2003-2007 GM trucks and SUVs, including the Chevy Silverado 1500, Suburban 2500, GMC Sierra, and Cadillac Escalade.

It's a dual-diaphragm design (about 10.9 inches) for strong braking assist.

The booster is made from steel and comes as a bare unit—you'll reuse your master cylinder (master cylinder studs are M10 x 1.5).

It's a direct replacement for OEM numbers like 54-74826 and 89040683.

Get your stopping power back with this new, unbranded but high-quality part.

Weighs about 12.5 lbs.

Check your fitment carefully.