Hydraulic Power Brake Booster Compatible with Chevy Silverado Sierra 1500 2500 3500 HD Classic, GMC Yukon XL 2500, Avalanche 2003-2007, Replaces# 178-1031, 15126867, 19371356

Restore your truck's braking precision with this direct-fit Hydraulic Power Brake Booster. Designed for 2003-2007 Chevy Silverado and GMC Sierra heavy-duty models, this unit operates independently of engine vacuum to provide consistent stopping power for towing and hauling.Product Specifications: Master Cylinder Stud: M10x1.5 Feature: Pre-installed internal spring and rod for easy installation Build: High-grade aluminum housing to prevent leaks and ensure durabilityCompatible with: 2003-2007 Chevy Silverado 1500/2500/3500 (Classic/HD), Avalanche 2500 2003-2007 GMC Sierra 1500/2500/3500 (Classic/HD), Yukon XL 2500 Replaces OE#: 178-1031, 19371356, 15126867, 15854059, 15218247Note: Please verify your vehicle's body style (Classic vs. New) to ensure correct fitment.

• 【Direct Fit】：A high-quality hydraulic power booster designed for precise fitment and long-lasting durability. Restores your vehicle's original braking power with ease.
• 【Extensive Vehicle Compatibility】：Precision-engineered for 2003-2007 heavy-duty models. Compatible with Chevy Silverado 1500/2500/3500 (including Classic & HD), Avalanche 2500, and GMC Sierra 1500/2500/3500 Classic, Yukon XL 2500. Note: Please verify your vehicle’s body style (Classic vs. New) before purchase.
• 【OEM Standards & Interchange】：A direct replacement for OE part numbers: 178-1031, 52-7371, 19371356, 15126867, 15854059. Also replaces 15167550, 15183760, 15212480, 15218247, and 15814411. Designed to restore reliable braking response and pedal feel.
• 【Enhanced Hydraulic Performance】：Utilizes high-pressure fluid from the power steering pump to maximize braking force. Unlike traditional vacuum boosters, this Hydro-Boost system operates independently of engine vacuum, providing consistent, reliable stopping power for loaded trucks and towing applications.
• 【Heavy-Duty Construction】：Built with high-grade aluminum and a reinforced housing for superior strength. Each unit undergoes rigorous pressure testing to prevent leaks and support a long service life. Engineered to withstand the extreme demands of heavy-duty hauling and daily driving in harsh conditions.