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DFC Tow Haul GM Duramax Complete Long Block
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1030606-5/8 BD Xtruded Auxiliary Transmission Cooler - GM 2001-2016

SKU: BD1030606-5/8
Manufacturer: BD Diesel Performance
2001-2016 GMC/Chevy Duramax 6.6L LB7, LLY, LBZ, LMM, and LML w/ 5/8” Cooler Lines

PRODUCT DETAILS (click to expand)

Mftr. Part# 1030606-5/8
UPC 019025010697
Weight (lbs.): 17.40 lbs.
Dimensions: 10.80" x 22.00" x 15.60"

PRODUCT SPECS (click to expand)

Transmission Type Allison A1000
Product Type Transmission Cooler
Line Size 5/8"
$637.00 (CAD)
  • 22% more cooling over other designs
  • 200 Micro Extruded passages
  • Large surface area to transfer heat for external air flow cooling
  • Turbulent oil flow design promotes a more complete cooling
  • Large 5/8-inch ports prevents inlet/outlet restriction
  • Furnace brazed rails have been tested to 300psi of pressure
  • Thermostatically controlled 80-watt, 10-inch, 800 CFM electric fan
  • 33,930 BTU/HR and in excess of 30,000 GVW!
  • Kits complete with all fittings, clamps, hoses and hardware
  • Build-It-Yourself galvanized bracket kit for quicker and cleaner installation - no wasting time fabricating brackets out of scrap metal
  • The pre-wired loomed harness with fuse and relay comes with plug-in connectors. 


  • 12-Months
  • 24,000 Miles


  • Intended to be used in conjunction with factory transmission coolers and not as stand-alone units