Compatible With: This engine coolant air bleed pipe fits a wide range of vehicles including Cadillac Escalade (2002–2006), Chevrolet Silverado, Avalanche, Suburban, Trailblazer, GMC Sierra, Yukon, Savana, Hummer H2 (2003–2007), and Buick Rainier (2004) with 4.8L, 5.3L, or 6.0L engines.
Replace OE: The engine coolant crossover pipe replaces part numbers 12559091, 12562172, 12570526, 12581215, 12604711, and 626-543, ensuring a direct OEM-fit installation.
High Quality: The 626-543 Coolant Bleeder Crossover hose is constructed with corrosion-resistant metal and reinforced molded connectors to withstand extreme temperatures and vibrations, ensuring long-lasting performance.
Function: This coolant crossover hose regulates engine temperature, balances coolant flow between cylinder heads, prevents hot spots, and aids in the bleeding of trapped air—improving cooling system efficiency and engine lifespan.