BulletProof EGR Cooler, Duramax LML - Rear

Bullet Proof DieselSKU: 6700014

Sale price$525.00
  • 1x Core: 6.6L Duramax LML Core Charge - 6700014 ($100.00)

Product Features

BulletProof EGR Cooler, Duramax LML - Rear

Manufactured by: Bullet Proof Diesel


  • Stainless Steel Tubing That Is Stronger, More Resistant To Fatigue, And Heat Stress Failure
  • Uses Patented Helical H-Core Technology To Increase Reliability
  • Quality Control Ensures Direct Fit Every Time
  • California CARB# D-730-6


  • 2013-2016 Duramax LML Rear
  • 8 is the 8th digit in the VIN
  • GM factory part number: 12645820

Also Know:

  • Gaskets and hardware are NOT included with this product. Need gaskets with this EGR Cooler? We sell those here  EGR Cooler Gasket Set

Mitchell1 Manual

Need help with this product? Call 1-888-967-6653 or 480-247-2331


Bullet Proof Diesel has long been the innovator that put reliable and EGR Cooler together in the same sentence. We started with the Ford 6.0L square EGR cooler and we have not stopped innovating since. Bullet Proof Diesel's reputation for building tough, capable and functional components is well known. The Duramax EGR cooler is no exception. Buy yours today and find out with thousands of our customers already know about Bullet Proof Diesel products.

This LML EGR cooler features our patented H-Core technology. What is H-Core? Well - it's cool and it's something that makes EGR coolers VERY reliable! It works by using twisted sets of tubing in place of traditional straight or rigid tubes. By twisting the tubing, they are able to flex and move - greatly reducing stress on the bulkheads and seams. This also allows us to stack the tubing very close together, allowing for more tubing - and cooler EGR gas - than would be with traditional straight tubes.

Bullet Proof Diesel 6.6L LML Duramax EGR Cooler matches up with GM part number 12645820.

The easiest way to verify which Duramax engine you have is the VIN# of the truck. The 8th digit is the engine ID and it will either be a 1, 2, D, 6, or 8.

  • 01-04 LB7 is a 1
  • 04.5-06 LLY is a 2
  • 06-07 LBZ is a D
  • 07 LMM is a 6
  • 11-16 LML is a 8

This product has a parts-only lifetime warranty so that you can purchase with confidence!


H-Core EGR Coolers from Bullet Proof Diesel
How H-Core Technology Works

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