【ATTENTION】This product is without pushrod and spring. It's necessary to reuse the master cylinder pushrod, spring, and spring retainer from the original hydro-boost when installing this replacement unit
【FITMENT】Compatible with 2003-2006 Chevy Avalanche 1500/2500, Silverado 1500/2500/3500, Silverado 1500/3500 Classic, Suburban 1500/2500. Compatible with 2003-2006 GMC Sierra 1500/2500/3500, Sierra 1500/3500 Classic, Yukon XL 2500
【REPLACEMENT NUMBER】52-7371, 527371, 15167550, 15183760, 15212480, 15814411, ensuring a precise fit in your vechicle for exceptional performance. Please refer to the pictures for detailed models before purchasing
【HIGH EFFICIENCY】Uses fluid pressure from the power steering pump to enhance braking power. Operating independently of the engine's vacuum, it ensures reliable brake performance in all conditions, particularly benefiting larger vehicles
【PREMIUN QUALITY】Crafted from premium aluminum and advanced technology, with reinforced housing for maximum strength and reliability, our 52-7371 hydraulic power brake booster ensures durability and extended lifespan