626-543 Engine Coolant Air Bleed Pipe Assbly For Chevy Silverado Suburban Avalanche Tahoe Express SSR Trailblazer/GMC Sierra Yukon Savana Envoy/Buick Rainier/Hummer H2 Replace# 12559091 12604711

Compatible with: For
Buick: 2004 Rainier 5.3L.
For Hummer: 2003-2007 H2 6.0L.
For Isuzu: 2003-2004 Ascender 5.3L.
For Cadillac: 2002-2006 Escalade 5.3L / 6.0L | 2003-2006 Escalade Esv 6.0L | 2002-2006 Escalade Ext 6.0L.
For Chevrolet: 2002-2006 Avalanche 1500 5.3L | 2003-2007 Express 1500 5.3L | 2003-2007 Express 2500 5.3L / 6.0L | 2003-2007 Express 3500 6.0L | 1999-2006 Silverado 1500 5.3L / 6.0L | 2007 Silverado 1500 Classic 5.3L / 6.0L | 1999-2006 Silverado 2500 5.3L / 6.0L | 2007 Silverado 2500 Classic 6.0L | 2001-2006 Silverado 3500 6.0L | 2007 Silverado 3500 Classic 6.0L | 2004 Ssr 5.3L | 2000-2006 Suburban 1500 5.3L | 2000-2006 Tahoe 5.3L | 2003-2004 Trailblazer Ext 5.3L.
^^Compatible with: For
Gmc: 2003-2004 Envoy Xl 5.3L | 2004 Envoy Xuv 5.3L | 2003-2007 Savana 1500 5.3L | 2003-2007 Savana 2500 5.3L / 6.0L | 2003-2007 Savana 3500 6.0L | 1999-2006 Sierra 1500 5.3L / 6.0L | 2007 Sierra 1500 Classic 5.3L / 6.0L | 1999-2006 Sierra 2500 5.3L / 6.0L | 2007 Sierra 2500 Classic 6.0L | 2007 Sierra 3500 Classic 6.0L | 2001-2006 Sierra 3500 6.0L | 2000-2006 Yukon 5.3L / 6.0L | 2000-2006 Yukon Xl 1500 5.3L / 6.0L | 2001-2006 Yukon Xl 2500 6.0L.
^^Restore Cooling Efficiency: 626-543 Engine Coolant Air Bleed Pipe resolves common cooling system failures like coolant leaks, overheating, and heater core malfunctions caused by cracked or corroded pipes. Its OEM-grade design restores proper coolant flow between the engine and heater core, eliminating air pockets and maintaining consistent cabin heat.