Hydraulic Power Brake Booster Fits Chevy Avalanche Silverado 1500 2500 3500 Classic And GMC Sierra 1500 2500 3500 Classic Yukon XL 2500 2003-2007 Replacement 178-1031 19371356 15126867

Hydraulic Power Brake Booster for Chevy & GMC (1 unit)
✔️ Hydraulic booster for 2003-2007 Chevy/Sierra trucks

This hydraulic power brake booster replaces worn units in Chevy Avalanche 2500, Silverado 1500 Classic/HD, Sierra 1500 Classic/HD, and Yukon XL 2500, delivering hydraulic braking assist for reliable stopping power in larger vehicles.

✅ Replacement numbers: 178-1031, 52-7371, 19371356, 15126867, 15167550, 15183760, 15212480, 15218247, 15814411, 15854059
✅ Uses fluid pressure from the power steering pump to boost braking power
✅ Premium aluminum housing with reinforced design for durability

💡 What is a hydraulic power brake booster used for?

A handy brake boost system that uses hydraulic pressure from the power steering pump to enhance stopping power, especially on heavier vehicles.

• handy way to improve stopping power without engine vacuum
• helps maintain braking performance under load and idle
• works as a direct replacement for Chevy and GMC heavy-duty models