Collection: Coolant Bypass Kits
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Wehrli Duramax Coolant Plug
Vendor:WehrliYou save 3% ($0.75)Regular price $24.25Regular priceUnit price / per$25.00Sale price $24.25Sale -
K-Tuned - Swirl Pot Mounting Brackets
Vendor:K-TunedRegular price From $29.99Regular priceUnit price / perSale price From $29.99 -
Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends
Vendor:Fleece PerformanceRegular price $24.28Regular priceUnit price / per$21.85Sale price $24.28Sold out -
Fleece Performance 13-16 Dodge 6.7L Cummins 2nd Gen Swap Kit A/C Line Reroute Kit
Vendor:Fleece PerformanceRegular price $399.00Regular priceUnit price / per$359.10Sale price $399.00 -
Fleece Performance 07.5-18 Dodge 2500/3500 Cummins 6.7L Exhaust Back Pressure Relocation Kit
Vendor:Fleece PerformanceRegular price $114.99Regular priceUnit price / per$103.49Sale price $114.99Sold out -
Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port
Vendor:Fleece PerformanceRegular price $129.99Regular priceUnit price / per$116.99Sale price $129.99Sold out -
Fleece Performance 98.5-07 Dodge 2500/3500 Cummins Replacement Thermostat Housing w/Aux Port
Vendor:Fleece PerformanceRegular price $129.99Regular priceUnit price / per$116.99Sale price $129.99 -
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (SS-Braided)
Vendor:Fleece PerformanceRegular price $75.76Regular priceUnit price / per$68.18Sale price $75.76Sold out -
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (BLK-Braided)
Vendor:Fleece PerformanceRegular price $75.76Regular priceUnit price / per$68.18Sale price $75.76Sold out -
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Replacement Coolant Bypass Hose
Vendor:Fleece PerformanceRegular price $84.99Regular priceUnit price / per$76.49Sale price $84.99Sold out -
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (SS-Braided)
Vendor:Fleece PerformanceRegular price $84.31Regular priceUnit price / per$75.88Sale price $84.31Sold out -
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (BLK - Braided)
Vendor:Fleece PerformanceRegular price $84.31Regular priceUnit price / per$75.88Sale price $84.31Sold out -
Fleece Performance 07.5-18 Dodge/RAM 2500/3500 Cummins Replacement Coolant Bypass Hose
Vendor:Fleece PerformanceRegular price $89.99Regular priceUnit price / per$80.99Sale price $89.99Sold out -
Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 03-18 Cummins Coolant Bypass Service Kit
Vendor:Fleece PerformanceRegular price $27.99Regular priceUnit price / per$25.19Sale price $27.99 -
Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans)
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 2019+ Ram 2500/3500 Cummins 6.7L Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $379.99Regular priceUnit price / per$341.99Sale price $379.99 -
Fleece Performance 13-18 RAM 2500/3500 6.7L Cummins Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $379.99Regular priceUnit price / per$341.99Sale price $379.99 -
Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided Line
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 07.5-12 Dodge/RAM 2500/3500 6.7L Cummins Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $399.99Regular priceUnit price / per$359.99Sale price $399.99 -
Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans)
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans)
Vendor:Fleece PerformanceRegular price $359.00Regular priceUnit price / per$323.10Sale price $359.00 -
Fleece Performance 94-18 Dodge 2500/3500 Cummins Replacement O-Ring Kit For Coolant Bypass Kit
Vendor:Fleece PerformanceRegular price $9.45Regular priceUnit price / per$8.51Sale price $9.45 -
Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two)
Vendor:Fleece PerformanceRegular price $69.99Regular priceUnit price / per$62.99Sale price $69.99 -
Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends/1in ID T-Fitting
Vendor:Fleece PerformanceRegular price $32.23Regular priceUnit price / per$29.01Sale price $32.23 -
Fleece Performance Universal Pre-Formed 5/8in ID Hose w/ 90 Deg. Ends/T-Fitting
Vendor:Fleece PerformanceRegular price $28.84Regular priceUnit price / per$25.96Sale price $28.84Sold out -
BLOX Racing Honda K-Series Coolant Hose Plug - Silver
Vendor:BLOX RacingYou save 20% ($5.60)Regular price $22.40Regular priceUnit price / per$28.00Sale price $22.40Sold out -
BLOX Racing K Series Coolant Plug - Black
Vendor:BLOX RacingYou save 20% ($5.60)Regular price $22.40Regular priceUnit price / per$28.00Sale price $22.40Sold out






