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2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines Fleece Performance view 1
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2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines Fleece Performance
$19.90
2011-2014 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2011-2014 GM 2500/3500 Fleece Performance view 1
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2011-2014 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2011-2014 GM 2500/3500 Fleece Performance
$329.99
2015-2016 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2015-2016 GM 2500/3500 Fleece Performance view 1
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2015-2016 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2015-2016 GM 2500/3500 Fleece Performance
$329.99
2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500 Fleece Performance view 1
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2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500 Fleece Performance
$329.99
2010-2012 Cummins with 68RFE Replacement Transmission Line Kit Fleece Performance view 1
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2010-2012 Cummins with 68RFE Replacement Transmission Line Kit Fleece Performance
$268.32
2001-2016 AlliLocker Allison Torque Converter Controller Fleece Performance view 1
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2001-2016 AlliLocker Allison Torque Converter Controller Fleece Performance
$179.00
Allison Transmission Cooler Lines For 2001-2005 LB7-LLY Fleece Performance view 1
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Allison Transmission Cooler Lines For 2001-2005 LB7-LLY Fleece Performance
$269.00
Allison Transmission Cooler Lines For 2006-2010 LBZ-LMM Fleece Performance view 1
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Allison Transmission Cooler Lines For 2006-2010 LBZ-LMM Fleece Performance
$282.45
2001-2002 GM/Allison TapShifter Fleece Performance view 1
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2001-2002 GM/Allison TapShifter Fleece Performance
$349.99
2003-2005 GM/Allison TapShifter Fleece Performance view 1
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2003-2005 GM/Allison TapShifter Fleece Performance
$349.99
5 Speed Allison Kodiak/TopKick TapShifter Fleece Performance view 1
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5 Speed Allison Kodiak/TopKick TapShifter Fleece Performance
$349.00

Introducing our game-changing Transmission Upgrades!


Unleash your diesel vehicle's true potential with smooth gear changes and unmatched power. Conquer tough terrains effortlessly and enjoy better fuel economy.

No worries about installation - our user-friendly design makes it a breeze.

Built to last, this kit will be your reliable companion for years to come, whether you commute daily or venture off-road.

Elevate your driving experience today - revitalize your vehicle's potential with our Transmission Upgrade Parts!

Upgrade now and feel the exhilaration in every drive. Don't wait! Experience diesel power at its best! 

Looking for a custom Part? Let us know!