Wehrli WCF Coolant Tank Kit Coolant Reservoirs - WCF100155

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

Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting

Wehrli Custom Fab Fitting Kit, GM Heater Core Quick Connect, Straight, Billet

Fitting Kit, GM Heater Core Quick Connect, Straight, Billet

Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

Billet direct-fit replacement with 5/8" barb connection

Clear Anodized finished to resist corrosion

Replaces GM/AC Delco Part Number 15032062

Fitting Kit GM Heater Core Quick Connect

More resistant to heat and vibration

Engine Coolant Bypass Kit

Fitting GM Htr Cr QC

Double O-ring seal