Upgraded Durability - Engineered to outlast brittle plastic connectors, our coolant connectors are crafted from high-quality stainless steel for exceptional durability, superior corrosion resistance, and reliable performance in extreme temperatures. Leak-Proof, Secure Seal - This connector integrates seamlessly into your vehicle's heater system and coolant lines. Integrated O-rings and robust stainless steel clamps ensure a tight, airtight connection that minimizes leaks and maintains system integrity. Replace Part Number - Direct replacement for part numbers 15792820, 15792821, 15792822, 15834772, 15834773, 800409, 15032062, 15151873, 15151875. Fitment - Fits Ford, Chevrolet, GMC, Lincoln, Cadillac, Oldsmobile models including Deville 2002–2005, Escalade 2002–2005 and 2011–2013, Seville 2002–2004, Avalanche 2002 and 2011–2013, Silverado 1999–2014, Suburban 2000–2005, Tahoe 2000, Sierra 1999–2014, Yukon 2000–2005. Please verify fitment with product images and description. Specification - Includes 2 x Coolant Connectors; Size: 3/4 inch Tube x 5/8 inch Hose. Easy & Quick Installation - No special tools required. Precision-engineered for a hassle-free, straightforward installation that saves time and effort on your HVAC and coolant systems. Color: As Shown Material: Metal Package Contents: 2 x 800-409HP Coolant Connector Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1–3 cm.