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KBDP transmission cooler line kit for Chevy / GMC Duramax 6.6l LML 2011-2014 trucks with the Allison automatic transmission.

Did you know the transmission cooler lines on your Duramax are prone to leaking? Fix the problem before it becomes a headache!

  • Stainless Steel Braided Hoses
  • Cooler Transmission Temperatures

Notice: Some radiators may require metric adapters. Often called setrab fittings.

Fits: 2011-2014 Chevy & GMC 2500 & 3500 applications with the 6.6l LML Duramax diesel engine.

Install Torque Procedure
Method one: 55-65 Ft-lbs

Method two FFWR (best method): 1.0 Flats from Wrench Resistance. Tighten the nut lightly with a wrench (approximately 30 in.lb.) This is considered the wrench resistance position. Starting from this position, tighten the nut further by the number of flats listed above. A flat is referred to as one side of the hexagonal nut and equates to 1/6 of a turn.

KB Diesel Performance LLC

Allison Transmission Cooler Lines for 2011-2014 Chevy GMC 6.6l Duramax LML

SKU KB-6.6L-1516-ATCL+M22A
$179.95

KBDP transmission cooler line kit for Chevy / GMC Duramax 6.6l LML 2011-2014 trucks with the Allison automatic transmission.

Did you know the transmission cooler lines on your Duramax are prone to leaking? Fix the problem before it becomes a headache!

  • Stainless Steel Braided Hoses
  • Cooler Transmission Temperatures

Notice: Some radiators may require metric adapters. Often called setrab fittings.

Fits: 2011-2014 Chevy & GMC 2500 & 3500 applications with the 6.6l LML Duramax diesel engine.

Install Torque Procedure
Method one: 55-65 Ft-lbs

Method two FFWR (best method): 1.0 Flats from Wrench Resistance. Tighten the nut lightly with a wrench (approximately 30 in.lb.) This is considered the wrench resistance position. Starting from this position, tighten the nut further by the number of flats listed above. A flat is referred to as one side of the hexagonal nut and equates to 1/6 of a turn.
$179.95
Add Metric Adapters?:

KBDP transmission cooler line kit for Chevy / GMC Duramax 6.6l LML 2011-2014 trucks with the Allison automatic transmission.

Did you know the transmission cooler lines on your Duramax are prone to leaking? Fix the problem before it becomes a headache!

  • Stainless Steel Braided Hoses
  • Cooler Transmission Temperatures

Notice: Some radiators may require metric adapters. Often called setrab fittings.

Fits: 2011-2014 Chevy & GMC 2500 & 3500 applications with the 6.6l LML Duramax diesel engine.

Install Torque Procedure
Method one: 55-65 Ft-lbs

Method two FFWR (best method): 1.0 Flats from Wrench Resistance. Tighten the nut lightly with a wrench (approximately 30 in.lb.) This is considered the wrench resistance position. Starting from this position, tighten the nut further by the number of flats listed above. A flat is referred to as one side of the hexagonal nut and equates to 1/6 of a turn.

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Total price$179.95

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