Cooling system - 2004.5-2005 6.6L LLY Duramax

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  • WEHRLI CUSTOM FAB WCF100699 GM BILLET HEATER CORE FITTING WITH HOSE
    Part# WCF100699
    WEHRLI CUSTOM FAB WCF100699 GM BILLET HEATER CORE FITTING WITH HOSE
    Upgrade the heater hose in your 2001-2022 GM Silverado/Sierra 2500HD/3500HD with the Wehrli Custom Fab WCF100699 GM Billet Heater Core Fitting With Hose from XDP. This high-quality preformed 1/2" heater hose assembly with billet aluminum quick-connect fitting replaces the leak prone OEM fitting. The...
    $69.84
    $69.84
    2001-2022 GM SILVERADO/SIERRA 2500HD/3500HD
  • WEHRLI CUSTOM FAB WCF100155 BILLET HEATER CORE FIREWALL FITTING
    Part# WCF100155
    WEHRLI CUSTOM FAB WCF100155 BILLET HEATER CORE FIREWALL FITTING
    The Wehrli Custom Fab WCF100155 Billet Heater Core Firewall Fitting from Spooled Up 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...
    $37.83
    $37.83
    2001-2023 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
  • 2001-2005 Duramax Welded Water Pump
    Part# SD-WWP-01
    2001-2005 Duramax Welded Water Pump
    Running a tuner? Bigger turbo or injectors? Or is it just time to replace a leaking water pump? Make sure you replace your stock water pump with a Sinister Diesel "Welded" Water Pump to be sure you dont have any further issues. The factory...
    $270.28
    $270.28
    2001-2005 GM 6.6L Duramax
  • GM 94011702 WATER PUMP PIPE TO OIL COOLER SEAL
    Part# GM94011702
    GM 94011702 WATER PUMP PIPE TO OIL COOLER SEAL
    The GM 94011702 Water Pump Pipe To Oil Cooler Seal from XDP is a direct replacement for the leaking seal on your 6.6L Duramax. This seal is a genuine OEM replacement to help prevent leaks at the water pump outlet pipe. Made from high-quality...
    $29.95
    $29.95
    2001-2021 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
  • Coolant Filtration System Replacement Ball Valve XD195 XDP
    Part# XD195
    Coolant Filtration System Replacement Ball Valve XD195 XDP
    The XDP Coolant Filtration System Replacement Ball Valve XD195 can be added on to the XDP Coolant Filtration System or used as a replacement for an old worn valve. While these valves might not be required on all kits, they make routine maintenance easier...
    $9.95
    $9.95
    XDP COOLANT FILTRATION SYSTEM REPLACEMENT BALL VALVE XD195