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UnderDog Diesel - Transmission Coolers & Lines
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Items 1-20 of 53
Wehrli Custom Fabrication
- Wehrli Custom Fabrication 17-19 L5P Duramax / 14-18 GM 1500 Transmission Cooler Thermostat Bypass Plug - WCF100469
SKU: WCF100469
PART #: WCF100469
$57.23
$59.00
In Stock. Ships in 3-5 business days.
CR2 Performance & Fab
- CR2 Basic Transmission Line Kit for 2001-2005 Duramax
Transmission Line Kit
SKU: 11405
PART #: 11405
$260.00
ATS Diesel Performance
- ATS Diesel ATS Thermal Bypass Valve Up-Grade Fits 2013-2018 6.7L Cummins W/ Billet Filter Coupler - 310-005-2392
Transmission Oil Cooler
SKU: FSMF-310-005-2392
PART #: 310-005-2392
$94.74
ATS Diesel Performance
- ATS Diesel ATS 4R100 Transmission Cooler Bypass Delete Fits 1999-2003 7.3L Power Stroke - 310-902-3224
Transmission Oil Cooler
SKU: FSMF-310-902-3224
PART #: 310-902-3224
$50.00
ATS Diesel Performance
- ATS Diesel ATS Allison 7/8 Inch Thread Cooler Line Fitting Fits 2001-2002 6.6L Duramax - 314-005-4248
Transmission Cooler Lines
SKU: FSMF-314-005-4248
PART #: 314-005-4248
$35.00
CR2 Performance & Fab
- CR2 Transmission line kit for 2003-2006 Cummins with Mishimoto Transmission Cooler. Heat Exc. Bypass
Transmission Line Kit
SKU: 34300
PART #: 34300
$290.00
ATS Diesel Performance
- ATS Diesel ATS 68Rfe Transmission Cooler Bypass Fitting Fits 2015-2018 6.7L Cummins - 310-001-2416
Engine Coolant Bypass
SKU: FSMF-310-001-2416
PART #: 310-001-2416
$38.00
ATS Diesel Performance
- ATS Diesel ATS Thermal Bypass Valve Up-Grade Fits 2019+ 6.7L Cummins W/ Billet Filter Coupler - 310-005-2464
Engine Coolant Bypass
SKU: FSMF-310-005-2464
PART #: 310-005-2464
$94.74
ATS Diesel Performance
- ATS Diesel ATS Allison Late Cooler Line Fitting Fits 2003+ 6.6L Duramax - 314-005-4272
Transmission Cooler Lines
SKU: FSMF-314-005-4272
PART #: 314-005-4272
$35.00
CR2 Performance & Fab
- CR2 Transmission Line Kit for 2003-2006 Cummins
Transmission Line Kit
SKU: 34401
PART #: 34401
$320.00
CR2 Performance & Fab
- CR2 Transmission Line Kit for 2006-2010 Duramax
SKU: 31401
PART #: 31401
$300.00
CR2 Performance & Fab
- CR2 Transmission Line Kit w/ Heat Exch for 1994-2002 Cummins
SKU: 32401
PART #: 32401
$320.00
CR2 Performance & Fab
- CR2 Transmission Line Kit w/ Heat Exch. Bypass for 1994-2002 Cummins
SKU: 32402
PART #: 32402
$290.00
CR2 Performance & Fab
- CR2 Basic Transmission Line Kit for 2006-2010 Duramax
Transmission Line Kit
SKU: 31405
PART #: 31405
$250.00
CR2 Performance & Fab
- CR2 Transmission Line Kit for 2001-2005 Duramax
Transmission Line Kit
SKU: 11401
PART #: 11401
$350.00
CR2 Performance & Fab
- CR2 Transmission 1/2" Line Kit for 2015-2016 Duramax
SKU: 25310
PART #: 25310
$280.00
CR2 Performance & Fab
- CR2 Transmission 5/8" Line Kit for 2015-2016 Duramax
SKU: 25315
PART #: 25315
$320.00
Fleece Performance
- Fleece Performance 2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500 - FPE-TL-L5P-1719
SKU: FPE-TL-L5P-1719
PART #: FPE-TL-L5P-1719
$329.99
Fleece Performance
- Fleece Performance Allison Transmission Cooler Lines For 2006-2010 LBZ-LMM - FPE-TL-LBZ-LMM
SKU: FPE-TL-LBZ-LMM
PART #: FPE-TL-LBZ-LMM
$269.00
Fleece Performance
- Fleece Performance 2015-2016 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2015-2016 GM 2500/3500 - FPE-TL-LML-1516
SKU: FPE-TL-LML-1516
PART #: FPE-TL-LML-1516
$329.99
Items 1-20 of 53