2004.5-2005 Duramax LLY Cooling Systems

Engine Coolant Thermostat Housing

HSP Billet Thermostat Housing Kit (2001-2005 Chevrolet / GMC)

Vendor:
HSP Diesel
HSP Billet Thermostat Housing Kit (2001-2005 Chevrolet / GMC)

Regular price From $390.00 USD

Regular price ~~$0.00 USD~~ Sale price From $390.00 USD
Unit price per
Hardware

2000-2023 Duramax 6.6L Aluminum Coolant Firewall Fitting

Vendor:
Polar Diesel
Coolant Firewall Fitting

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Fits:
2000-2023 6.6L LB7 GM Duramax

6.6L LLY GM Duramax

6.6L LBZ GM Duramax

6.6L LMM GM Duramax

6.6L LML GM Duramax

6.6L L5P GM Duramax

Regular price $40.74 USD

Regular price Sale price $40.74 USD
Unit price per
Coolant Overflow Tank

HSP Factory Replacement Coolant Tank (2001-2007 Chevrolet / GMC)

Vendor:
HSP Diesel
HSP Factory Replacement Coolant Tank (2001-2007 Chevrolet / GMC)

Regular price From $375.00 USD

Regular price ~~$0.00 USD~~ Sale price From $375.00 USD
Unit price per