1994-1998 5.9L Cummins Fleece Coolant Bypass Kit 12V w/ Stainless Steel Braided Line
New
670875715080
50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-12V-SS
Fleece Performance
USD
305.15
Description: 50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-12V-SS
Condition:
New
Price: $359.00
Sale: $305.15
Save: 15%
Save: $53.85
1998.5-2002 5.9L Cummins Fleece Coolant Bypass Kit VP w/ Stainless Steel Braided Line
New
670875715073
Item #: FPE-CLNTBYPS-CUMMINS-VP-SS
Fleece Performance
USD
305.15
Item #: FPE-CLNTBYPS-CUMMINS-VP-SS
Condition:
New
Price: $359.00
Sale: $305.15
Save: 15%
Save: $53.85
1999-2023 GM Billet Coolant Heater Core Firewall Fitting
New
- Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring ...
Item #: WCF100155
Wehrli Custom Fabrication
USD
41.00
Description: - Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring...
More Details »
Item #: WCF100155
Condition:
New
2001-2010 & 2017-2024 Duramax Low Coolant Level Sensor
New
Correct replacement sensor for WCFab Fabricated Coolant Tanks designed for LB7, LLY, LBZ, LMM and L5P Duramax trucks
Item #: WCF206-19
Wehrli Custom Fabrication
USD
49.00
Description: Correct replacement sensor for WCFab Fabricated Coolant Tanks designed for LB7, LLY, LBZ, LMM and L5P Duramax trucks
Item #: WCF206-19
Condition:
New
2001-2023 Duramax Fleece Billet Coolant Block Off Plate
New
670875715875
- Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Item #: FPE-DMAX-CBOP
Fleece Performance
USD
46.75
Description: - Fixes coolant leaks common to OE covers over time
- Integral square cut o-ring
- CNC Machined Billet Aluminum Construction
- Made in USA
Item #: FPE-DMAX-CBOP
Condition:
New
Price: $55.00
Sale: $46.75
Save: 15%
Save: $8.25
2003-2005 5.9L Cummins Fleece Coolant Bypass Kit (Auto Trans Only) w/ Stainless Steel Braided Line
New
670875715059
50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-0305-SS
Fleece Performance
USD
305.15
Description: 50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-0305-SS
Condition:
New
Price: $359.00
Sale: $305.15
Save: 15%
Save: $53.85
2003-2007 5.9L Cummins Fleece Coolant Bypass Kit (Manual Trans Only) w/ Stainless Steel Braided Line
New
670875715035
50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-MAN-SS
Fleece Performance
USD
305.15
Description: 50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-MAN-SS
Condition:
New
Price: $359.00
Sale: $305.15
Save: 15%
Save: $53.85
2003-2024 Cummins Fleece Heater Core Hose & Fitting Kit
New
670875719361
Item #: FPE-CUMM-HCL-0324
Fleece Performance
USD
59.49
NEW!
Item #: FPE-CUMM-HCL-0324
Condition:
New
Price: $69.99
Sale: $59.49
Save: 15%
Save: $10.50
2006-2007 5.9L Cummins Fleece Coolant Bypass Kit (Auto Trans Only) w/ Stainless Steel Braided Line
New
670875715066
50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-0607-SS
Fleece Performance
USD
305.15
Description: 50 State Compliant - CARB EO D834-9
Item #: FPE-CLNTBYPS-CUMMINS-0607-SS
Condition:
New
Price: $359.00
Sale: $305.15
Save: 15%
Save: $53.85
2007.5-2012 6.7L Cummins Fleece Coolant Bypass Kit
New
Item #: FPE-CLNTBYPS-CUMMINS-0712
Fleece Performance
USD
339.99
Item #: FPE-CLNTBYPS-CUMMINS-0712
Condition:
New
Price: $399.99
Sale: $339.99
Save: 15%
Save: $60.00
2013-2018 6.7L Cummins Fleece Coolant Bypass Kit
New
Item #: FPE-CLNTBYPS-CUMMINS-1318
Fleece Performance
USD
322.99
Item #: FPE-CLNTBYPS-CUMMINS-1318
Condition:
New
Price: $379.99
Sale: $322.99
Save: 15%
Save: $57.00
2013-2018 6.7L Cummins OEM Placement Coolant Tank Kit
New
-Coolant Tank
-Low Coolant Level Sensor
-Black Anodized Billet Aluminum Cap
-Over Flow Hose
-Coolant Level Sight Glass
-Installation hardware
-Powder Coating
Item #: WCF100628
Wehrli Custom Fabrication
USD
509.00
Description: -Coolant Tank
-Low Coolant Level Sensor
-Black Anodized Billet Aluminum Cap
-Over Flow Hose
-Coolant Level Sight Glass
-Installation hardware
-Powder Coating
Item #: WCF100628
Condition:
New
2019-2022 6.7L Cummins Coolant Bypass Kit
New
670875717725
Item #: FPE-CLNTBYPS-CUMMINS-19
Fleece Performance
USD
322.99
Item #: FPE-CLNTBYPS-CUMMINS-19
Condition:
New
Price: $379.99
Sale: $322.99
Save: 15%
Save: $57.00
2020-2025 L5P Duramax Auxiliary Coolant Tank Kit
New
- Auxiliary Coolant Tank for Fuel Cooler
- Black Anodized Billet Aluminum Cap
- Overflow Flow Fitting
- Preformed Hose
- Custom Powder Coat Finish
Item #: WCF100224
Wehrli Custom Fabrication
USD
239.00
Description: - Auxiliary Coolant Tank for Fuel Cooler
- Black Anodized Billet Aluminum Cap
- Overflow Flow Fitting
- Preformed Hose
- Custom Powder Coat Finish
Item #: WCF100224
Condition:
New
Duramax Coolant Plug
New
- Billet Aluminum Black Anodized Coolant Plug for Duramax Engine Cover, for 1.1" bore
- Includes high temperature silicone O-ring seal
Item #: WCF100025
Wehrli Custom Fabrication
USD
24.00
Description: - Billet Aluminum Black Anodized Coolant Plug for Duramax Engine Cover, for 1.1" bore
- Includes high temperature silicone O-ring seal
Item #: WCF100025
Condition:
New
LB7/LLY/LBZ/LMM Duramax Coolant Plug
New
- For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax
- Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory ...
Item #: WCF205-280
Wehrli Custom Fabrication
USD
41.00
Description: - For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax
- Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory...
More Details »
Item #: WCF205-280
Condition:
New