Allison Transmission Cooler

Bestseller No. 1
PPE PERFORMANCE TRANSMISSION COOLER FOR 2006 2007 2008 2009 2010 CHEVY GMC LB7/LLY & LBZ/LMM 124062000
  • Increased surface area provides 60% more heat rejection - Factory-fit
  • 2006-2010 Allison-equipped GM HD vehicles (124062000)
  • Excess heat is the #1 killer of transmissions. For individuals who tow, race or simply run their diesel hard, know that proper cooling of your transmission fluid is one of the most important things that you can do to increase the life of your transmission.
  • PPE’s Performance Transmission Cooler is a direct bolt-on replacement part that lowers the fluid temperatures up to an additional 20 to 30 degrees over the stock unit.
  • When the mainline pressure is increased with things such as a high-performance transmission kit, you end up with additional heat being generated, so we recommend a Performance Transmission Cooler in such applications.
Bestseller No. 2
Mishimoto MMTC-DMAX-06SL Transmission Cooler Compatible With Chevrolet/GMC Duramax 6.6 LBZ/LMM 2006-2010 Silver
  • Direct-fit for all 2006-2010 Chevrolet/GMC 6.6L Duramax (LBZ/LMM)
  • Stacked-plate construction for maximum durability and superior cooling
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • 84% greater core volume than stock cooler & 125% greater external fin surface area over stock cooler
  • Mishimoto Lifetime Warranty
Bestseller No. 3
PPE Performance Transmission Cooler for 2003 2004 2005 CHEVY GMC LB7/LLY & LBZ/LMM 124060300
  • Increased surface area provides 60% more heat rejection - Factory-fit
  • 2003-2005 Allison-equipped GM HD vehicles (124060300) - connectors with Purple Clips
  • Excess heat is the #1 killer of transmissions. For individuals who tow, race or simply run their diesel hard, know that proper cooling of your transmission fluid is one of the most important things that you can do to increase the life of your transmission.
  • PPE’s Performance Transmission Cooler is a direct bolt-on replacement part that lowers the fluid temperatures up to an additional 20 to 30 degrees over the stock unit.
  • When the mainline pressure is increased with things such as a high-performance transmission kit, you end up with additional heat being generated, so we recommend a Performance Transmission Cooler in such applications.
Bestseller No. 4
PPE PERFORMANCE TRANSMISSION COOLER FOR 2001 2002 2003 CHEVY GMC LB7/LLY & LBZ/LMM 124060000
  • Increased surface area provides 60% more heat rejection - Factory-fit
  • 2001-2003 Allison-equipped GM HD vehicles (124060000) - Orange Clips
  • Excess heat is the #1 killer of transmissions. For individuals who tow, race or simply run their diesel hard, know that proper cooling of your transmission fluid is one of the most important things that you can do to increase the life of your transmission.
  • PPE’s Performance Transmission Cooler is a direct bolt-on replacement part that lowers the fluid temperatures up to an additional 20 to 30 degrees over the stock unit.
  • When the mainline pressure is increased with things such as a high-performance transmission kit, you end up with additional heat being generated, so we recommend a Performance Transmission Cooler in such applications.
Bestseller No. 5
Mishimoto MMTC-DMAX-03SL Transmission Cooler Compatible With Chevrolet/GMC Duramax 6.6 LB7/LLY 2003-2005 Silver
  • Direct-fit for all 2003-2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY)
  • Stacked-plate construction for maximum durability and superior cooling
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • 174% greater core volume than stock cooler & 192% greater external fin surface area over stock cooler
  • Mishimoto Lifetime Warranty
Bestseller No. 6
Upgraded Allison Transmission Cooler Lines 2006-2010 GM GMC Chevy 6.6L LBZ LMM Duramax Diesel 6.6
  • 2006-2010 GM 6.6L LBZ/LMM Duramax Diesel (w/ Allison Transmission ONLY)
  • Includes All Fittings/Hardware
  • Transmission Lines
  • Concave Washers
Bestseller No. 7
Heavy Duty Upgraded Allison Transmission Cooler Lines 2001-2005 GM Chevy GMC Duramax Diesel 6.6L
  • 2001-2005 GM 6.6L LB7 & LLY Duramax Diesel (w/ Allison Transmission ONLY)
  • Heavy Duty
  • Includes All Fittings/Hardware
  • High Flow Lines
Bestseller No. 8
Hayden Automotive 1260 Heavy Duty Oil Cooler
  • 12 inch x 24 inch x 1-1/2 inch (One Pass)
  • Applications include transmission, engine, gear box and hydraulic oils
  • Designed for rugged heavy use
  • Single pass design
  • Turbulators in every tube creating 3-1/2 times more cooling surface
SaleBestseller No. 9
Duramax Transmission Cooler Lines (2006-10)- Premium DOUBLE Braided Hose (18,000 BPSI) Chevy GMC 6.6L w/Allison Duramax Transmission Lines Upgrade- CR Performance B17
  • MADE in USA! CR Performance 2006-2010 Chevy,GMC 6.6L Duramax Transmission Lines. Includes (3) lines and all necessary fittings, zip ties, and easy to follow instructions.
  • 1/2" DOUBLE Steel Braided w/abrasion resistant exterior (3X the protection to prevent against rub through or road hazards) - 4500 PSI (18,000 BPSI) Premium Hose (PSI ratings printed on hose from manufacturer to verify) - High Quality, crimped on. yellow or silver zinc plated (1) piece hose ends are used on our Duramax transmission lines.
  • CR Performance has a trusted reputation manufacturing and selling the Duramax Transmission Lines
  • Free 2-3 Day Expedited Shipping - Orders normally ship out same day M-F + Sat. if ordered by 11AM CST - Lifetime Warranty
Bestseller No. 10
Fleece Performance Engineering FPE-TL-LBZ-LMM Transmission Cooler Line (06-10 GM Duramax 6.6L LLY/LBZ/LMM Allison)
  • Comes with full manufacturer warranty
  • Fits multiple makes and models (contact seller with your vehicle for fitment compatibility information)

Compare The Top 10 Allison Transmission Cooler

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