WCFAB 1999-2023 GM Truck Billet Coolant Heater Core Firewall Fitting - Duramax

The factory plastic GM Coolant Heater Core Firewall Fitting is a common failure point on Duramax trucks and other GM vehicles. Our made in the USA, billet aluminum direct-fit replacement is more resistant to heat and vibration. Prevent leaks with this easy to install upgrade.
 
Replaces GM/AC Delco Part Number 15032062 and Dorman Part Number 800-409
 
Also fits:
2001-2023 Duramax 
2002-2005 Cadillac Escalade
2002-2005 Chevrolet Avalanche
2007-2010 Chevrolet Express
2004-2009 Chevrolet Kodiak
1999-2013 Chevrolet Silverado 1500
2000-2014 Chevrolet Silverado 2500/3500 (Gas)
2000-2005 Chevrolet Suburban
2000-2004 Chevrolet Tahoe
2007-2010 GMC Savana
1999-2013 GMC Sierra 1500
2000-2014 GMC Sierra 2500/3500 (Gas)
2000-2005 GMC Yukon
2003-2009 Hummer H2
 
- Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring seal
- Clear Anodized finished to resist corrosion
- Replaces GM/AC Delco Part Number 15032062 and Dorman Part Number 800-409