Cooling system - 2011-2016 6.6L LML 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
  • 2013-2015 Duramax Degas Bottle2013-2015 Duramax Degas Bottle
    Part# SD-DEGAS-LML-13
    2013-2015 Duramax Degas Bottle
    Replace that cracked, leaky and boring factory coolant reservoir with the Sinister Diesel SD-DEGAS-LML-13 stylish and high-strength all-aluminum coolant reservoir. This Reservoir is made from 6061 aircraft-grade aluminum that is TIG welded and pressure tested for maximum strength. Best of all, the aluminum design helps...
    $575.47
    $575.47
    2013-2015 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
  • Replacement Radiator Direct-Fit 11-16 GM 6.6L Duramax LML X-TRA Cool Direct-Fit
    Part# XD292
    Replacement Radiator Direct-Fit 11-16 GM 6.6L Duramax LML X-TRA Cool Direct-Fit
    Don't just replace the failed radiator in your 2011-2016 GM 6.6L Duramax with a stock replacement, upgrade it with the XDP X-TRA Cool Direct-Fit Replacement Radiator XD292. Designed for a simple bolt-on installation, XDP's X-TRA Fit Radiators look like a factory replacement, but are...
    $524.95
    $524.95
    2011-2016 GM 6.6L Duramax
  • 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