PART #: WCF100155

WEHRLI CUSTOM FAB WCF100155 BILLET HEATER CORE FIREWALL FITTING

$37.83
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The Wehrli Custom Fab WCF100155 Billet Heater Core Firewall Fitting from Mullet Diesel Performance replaces the plastic fitting on your 2001-2023 GM 6.6L Duramax. The...
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PRODUCT DESCRIPTION

The Wehrli Custom Fab WCF100155 Billet Heater Core Firewall Fitting from Mullet Diesel Performance replaces the plastic fitting on your 2001-2023 GM 6.6L Duramax. The factory plastic GM Coolant Heater Core Firewall Fitting is a common failure point on Duramax trucks and other GM vehicles. This billet aluminum direct-fit replacement is more resistant to heat and vibration. Prevent leaks with this easy to install upgrade.

FEATURES:
  • Billet Aluminum
  • Double O-Ring Seal
  • Clear Anodized Finish To Resist Corrosion
  • Replaces Failure Prone Plastic Factory Fitting
  • Direct-Fit Replacement With 5/8" Barb Connection