XDP Xtreme Diesel Performance | SKU: XD309

Transmission Oil Cooler 01-05 GM 6.6L Duramax X-TRA Cool XD309 XDP

Regular price $205.95
0 in stock

The XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001-2005 GM 6.6L Duramax LB7/LLY. XDPs XTRA-Cool Transmission Oil Coolers are made using techniques borrowed from the HD and semi-truck industry to provide you with the ultimate in strength and durability.

Built for more than just increased strength, the XD309 Features a high-efficiency core that is specially designed to maximize transmission cooling potential over the factory unit. Each kit comes ready to install with the needed fittings, brackets, and hardware to make this a bolt-on installation for your GM Duramax/Allison powetrain.

  • Direct-Fit
  • Replaces Factory Cooler
  • Upgraded Design For Increased Durability
  • High-Efficiency Core To Maximize Cooling

XD309 Specifications:
Core Width: 12-1/2 inch
Core Height: 7-3/4 inch
Core Thickness: 2 inch
Overall Length: 16 inch
Cooler Fittings: 7/8-14 UNF
Application Notes:
This transmission cooler is intended for use with the factory transmission lines.
XDP cannot guarantee fitment with aftermarket transmission lines.
Warranty Info:
Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit.

Duramax LB7
Duramax LLY
  • 2001-2002 GMC Sierra 2500 HD SL
  • 2001-2002 GMC Sierra 3500 SL
  • 2001-2005 Chevrolet Silverado 2500 HD
  • 2001-2005 Chevrolet Silverado 2500 HD LS
  • 2001-2005 Chevrolet Silverado 2500 HD LT
  • 2001-2005 Chevrolet Silverado 3500
  • 2001-2005 Chevrolet Silverado 3500 LS
  • 2001-2005 Chevrolet Silverado 3500 LT
  • 2001-2005 GMC Sierra 2500 HD SLE
  • 2001-2005 GMC Sierra 2500 HD SLT
  • 2001-2005 GMC Sierra 3500 SLE
  • 2001-2005 GMC Sierra 3500 SLT
  • 2002-2005 GMC Sierra 2500 HD
  • 2002-2005 GMC Sierra 3500
  • 2003-2005 GMC Sierra 2500 HD WT
  • 2004-2004 Chevrolet Silverado 3500 WT
  • 2004-2005 Chevrolet Silverado 2500 HD WT
  • 2004-2005 GMC Sierra 3500 WT

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.