Cooling system - 2017-2019 6.6L L5P 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
  • Radiator Drain Pipe 06-19 GM 6.6L Duramax XD328 XDP
    Part# XD328
    Radiator Drain Pipe 06-19 GM 6.6L Duramax XD328 XDP
    Eliminate the hassle of servicing the cooling system in your 2006-2019 GM 6.6L Duramax with the XDP Duramax Radiator Drain Pipe XD328. Draining the cooling system in your truck requires removal of the lower radiator hose. Once that hose is removed, you'll find yourself...
    $59.95
    $59.95
    XDP DURAMAX RADIATOR COOLANT DRAIN PIPE XD328
  • 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
  • Coolant Block-Off Plate XD344 Billet XDP
    Part# XD344
    Coolant Block-Off Plate XD344 Billet XDP
    Put the XDP Billet Coolant Block-Off Plate XD344 in your 2011-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your LML and L5P engine. The factory cover uses a gasket and over time the plate can warp, and the...
    $64.95
    $64.95
    2011-2017 GM 6.6L Duramax