Coolant Bypass Kits

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Wehrli 6.7 Cummins Coolant Fitting - 12 JIC

Regular price $46.56
Sale price $46.56 Regular price $48.00
Unit price
6.7L Cummins Thick Flange #12 JIC Male Fitting for Coolant Port Behind Water Pump. Press...
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Wehrli 6.7 Cummins No.10 JIC Coolant Fitting

Regular price $46.56
Sale price $46.56 Regular price $48.00
Unit price
6.7L Cummins Thin Flange #10 JIC Male Fitting for Coolant Port Behind Water Pump. Press...

Wehrli Duramax Coolant Plug

Regular price $24.25
Sale price $24.25 Regular price $25.00
Unit price
Billet Aluminum Black Anodized Coolant Plug for Duramax Engine Cover, for 1.1" bore. Includes high...
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Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 03-18 Cummins Coolant Bypass Service Kit

Regular price $27.99
Sale price $27.99 Regular price
Unit price
Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and...
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Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans)

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided Line

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit

Regular price $399.99
Sale price $399.99 Regular price
Unit price
The Fleece Performance coolant bypass for the 2007.5-2012 RAM with 6.7L Cummins seamlessly integrates with...
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Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans)

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans)

Regular price $379.00
Sale price $379.00 Regular price
Unit price
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from...
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Fleece Performance 94-18 Dodge 2500/3500 Cummins Replacement O-Ring Kit For Coolant Bypass Kit

Regular price $9.45
Sale price $9.45 Regular price
Unit price
Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut...
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Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)

Regular price $69.99
Sale price $69.99 Regular price
Unit price
Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)WarrantyThis Part Fits: Year Make Model...
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Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends/1in ID T-Fitting

Regular price $32.23
Sale price $32.23 Regular price
Unit price
Universal preformed 5/8" hose with 90 degree ends and T-fitting (1" ID on the T)....

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