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Wehrli Custom Fab WCF100155 Billet Heater Core Firewall Fitting

SKU WCF-WCF100155
Original price $40.74 - Original price $40.74
Original price
$40.74
$40.74 - $40.74
Current price $40.74
Product Availability
  • Warehouse
    Usually ships out same or next business day
    In Stock
    10+ available
The Wehrli Custom Fab WCF100155 Billet Heater Core Firewall Fitting from GAP 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