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  • CHEVY/GMC
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  • FORD
    • 1994.5-1997 7.3L
      • 2017 (6.7L)
      • Gearhead Tuning
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  • HOME
  • DODGE/RAM
    • 1st Gen Dodge Cummins (1989-1993)
    • 2nd Gen 12v Dodge Cummins (1994-1998)
    • 2nd Gen 24v Dodge Cummins (1998.5-2002
    • 3rd Gen Dodge Cummins (2003-2007)
    • 4th Gen Dodge Cummins (2007.5-2018)
  • CHEVY/GMC
    • 2001-2004 6.6L LB7
    • 2004.5-2005 6.6L LLY
    • 2006-2007 6.6L LLY/LBZ
    • 2007.5-2010 6.6L LMM
  • FORD
    • 1994.5-1997 7.3L
      • 2017 (6.7L)
      • Gearhead Tuning
    • 1999-2003 7.3L
    • 2003-2007 6.0L
    • 2008-2010 6.4L
    • 2011-2016 6.7L
    • 2017-2025 6.7L
  • POWER DRIVEN DIESEL
    • TOP SELLERS
      • Air Filters
      • Cylinder Heads
      • Gear
      • Gauges
      • Turbos
      • Oil & ATF
    • POWER PACKAGES
      • 1st Gen 12v Dodge Cummins
      • 2nd Gen 12v Dodge Cummins
      • 24v Dodge Cummins
      • CommonRail Dodge Cummins
      • 6.0L Powerstroke
    • TURBOCHARGERS
      • Power Driven Turbos
      • Power Driven Compound Systems
      • Power Driven Drop-In Turbos
      • Borg Warner
      • Garrett
      • Turbine Housings
      • Turbo Accessories
    • TRANSMISSONS
      • Full Transmissions
      • Transmission Kits
      • Transmission Line Replacement Kits
      • Torque Converters
      • Transmission Parts
      • Valve Bodies & DIY Kits
      • Pan Off Transmission Upgrades
      • Transmission Pans
      • Flexplates
  • BRANDS
  • Merch
  • CONTACT US
    • Click to Call
    • Email Customer Service
    • Email Sales & Tech Support
    • Online Return Center
    • Sell Us Your Cores
    • Warranty Form
    • Shop/Dealer Locator Tool
    • Become a Dealer
    • Submit Feedback
    • Social Media
      • YouTube
      • Instagram
      • Facebook
      • TikTok

Country/region

  • Afghanistan (AFN ؋)
  • Åland Islands (EUR €)
  • Albania (ALL L)
  • Algeria (DZD د.ج)
  • Andorra (EUR €)
  • Angola (USD $)
  • Anguilla (XCD $)
  • Antigua & Barbuda (XCD $)
  • Argentina (USD $)
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  • Australia (AUD $)
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  • Bahrain (USD $)
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  • Cocos (Keeling) Islands (AUD $)
  • Colombia (USD $)
  • Comoros (KMF Fr)
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  • Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Reviews Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

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    Regular price $46.99
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    Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith

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    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black

    Reviews Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $179.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - Sparkle Copper

    Reviews Wehrli L5P Duramax Thermostat Housing - Sparkle Copper

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange

    Reviews Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - WCFab Red

    Reviews Wehrli L5P Duramax Thermostat Housing - WCFab Red

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
    VIEW DETAILS

  • Wehrli L5P Duramax Thermostat Housing - Kiwi Green

    Reviews Wehrli L5P Duramax Thermostat Housing - Kiwi Green

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $179.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - Illusion Purple

    Reviews Wehrli L5P Duramax Thermostat Housing - Illusion Purple

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - Illusion Blueberry

    Reviews Wehrli L5P Duramax Thermostat Housing - Illusion Blueberry

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Wehrli L5P Duramax Thermostat Housing - Gloss White

    Reviews Wehrli L5P Duramax Thermostat Housing - Gloss White

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $179.99
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  • Sale

    Wehrli L5P Duramax Thermostat Housing - WCFab Grey

    Reviews Wehrli L5P Duramax Thermostat Housing - WCFab Grey

    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $198.99
    Regular price $199.00 Sale price $198.99
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  • Wehrli L5P Duramax Thermostat Housing - Gun Metal

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    This Thermostat Housing for 2017-2025 6.6L Dura...

    Regular price $179.99
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  • Wehrli L5P Duramax Thermostat Housing - Gloss Black

    Reviews Wehrli L5P Duramax Thermostat Housing - Gloss Black

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    Regular price $179.99
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  • Wehrli L5P Duramax Thermostat Housing - Fine Texture Black

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