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 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
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