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1999-2023 Duramax Billet Coolant Heater Core Firewall Fitting (Wcf100155) 1
1999-2023 Duramax Billet Coolant Heater Core Firewall Fitting (Wcf100155) 2

1999–2023 Duramax Billet Coolant Heater Core Firewall Fitting – WCF100155

Original price was: $46.72.Current price is: $31.15.

In stock

Quantity
SKU: WCF100155 Category: Brand:

Description

Description

Fits

 Year Make Engine
1999-2023 GM LB7/ LLY/ LBZ/ LMM/ LML/ L5P 6.6L Duramax

Part Number: WCF100155

Features
  • 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

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