Coolant Bypass Kits

Upgrade with coolant bypass kits, XT Motorsports style: genuine parts, real fitment, no guesswork. XT Motorsports spans OE replacement to full performance builds from the industry's leading manufacturers. Not sure it fits? The XT Motorsports team knows these parts.

17 products
Fleece Performance 03-07 Manual Transmission Cummins Coolant Bypass Kit w/ SS Braided Line - FPE-CLNTBYPS-CUMMINS-MAN-SS
Fleece Performance
$379.00
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (SS-Braided) - FPE-CLNTBYPS-HS-CRVP-SS
Fleece Performance
$75.76
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (BLK - Braided) - FPE-CLNTBYPS-HS-12V-BLK
Fleece Performance
$84.31
Fleece Performance 94-98 Dodge Cummins 39.5in 12 Valve Coolant Bypass Hose (SS-Braided) - FPE-CLNTBYPS-HS-12V-SS
Fleece Performance
$84.31
Fleece Performance 98.5-18 Dodge Cummins 34.5in Common Rail/VP44 Coolant Bypass Hose (BLK-Braided) - FPE-CLNTBYPS-HS-CRVP-BLK
Fleece Performance
$75.76
Fleece Performance 03-18 Cummins Coolant Bypass Service Kit - FPE-CLNTBYPS-CUMMINS-SER-KIT
Fleece Performance
$27.99
Fleece Performance 98.5-02 VP Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-VP-SS
Fleece Performance
$379.00
Fleece Performance 94-98 12V Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-12V-SS
Fleece Performance
$379.00
Fleece Performance 03-05 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-0305-SS
Fleece Performance
$379.00
Fleece Performance 06-07 Auto Trans Cummins Coolant Bypass Kit w/ Stainless Steel Braided Line - FPE-CLNTBYPS-CUMMINS-0607-SS
Fleece Performance
$379.00
Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two) - FPE-CLNT-HS-BRKT
Fleece Performance 2003-2016 Cummins Coolant Bypass Brackets (Set of Two) - FPE-CLNT-HS-BRKT
Fleece Performance
$69.99
Fleece Performance 13-16 Dodge 6.7L Cummins 2nd Gen Swap Kit A/C Line Reroute Kit - FPE-AC-KIT-1316
Fleece Performance 13-16 Dodge 6.7L Cummins 2nd Gen Swap Kit A/C Line Reroute Kit - FPE-AC-KIT-1316
Fleece Performance
$399.00
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans) - FPE-CLNTBYPS-CUMMINS-0305
Fleece Performance 03-07 Dodge 5.9L Cummins Coolant Bypass Kit (03-05 Auto Trans) - FPE-CLNTBYPS-CUMMINS-0305
Fleece Performance
$379.00
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-12V
Fleece Performance 94-98 Dodge 5.9L Cummins 12V Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-12V
Fleece Performance
$379.00
Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans) - FPE-CLNTBYPS-CUMMINS-0607
Fleece Performance 04.5-07 Dodge 5.9L Cummins Coolant Bypass Kit (06-07 Auto Trans) - FPE-CLNTBYPS-CUMMINS-0607
Fleece Performance
$379.00
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans) - FPE-CLNTBYPS-CUMMINS-MAN
Fleece Performance 03-07 Dodge 5.9L / 04.5-12 6.7L Cummins Coolant Bypass Kit (03-07 Manual Trans) - FPE-CLNTBYPS-CUMMINS-MAN
Fleece Performance
$379.00
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-VP
Fleece Performance 98.5-02 Dodge 5.9L Cummins VP Coolant Bypass Kit - FPE-CLNTBYPS-CUMMINS-VP
Fleece Performance
$379.00