EGR Cooler Kit 2004.5-2005 (LLY) – DK Engine Parts




GM Duramax LLY Engines – 2004.5-2005 – Exhaust Gas Recirculation (EGR) Cooler Kit

This LLY Duramax EGR Cooler is a direct replacement for a stock Exhaust Gas Recirculation Cooler.  It comes with hardware that will assist in assembling the EGR cooler. Please ensure you select the correct cooler.  The LLY and LBZ Cooler are very similar except for the exhaust port and the diameter of the cooler.  LLY EGR Coolers measure roughly 2.65 inches in diameter and the LBZ measures roughly 3.4 inches.  If there are any questions please give us a call.

  • Increase Air flow from Stock Design
  • No Modification Needed
  • 2-Year Warranty


  • 2004.5-2005 GM Duramax 2500/3500 Pickup LLY Engines
  • 2004.5-2005 GM Duramax 2500/3500/4500 Cab & Chassis LLY Engines

OEM Part #:

  • GM: 97303654
  • ACDelco 214-2109

Competitor #’s:

  • 904-168
  • EGR654


     DK Engine Parts offers a variety of engine parts and kits for most Duramax applications and engine models.  Please take a look at what we offer on our website and feel free to call us anytime with questions regarding items listed on our website.  Also note that we offer more parts then what is currently listed on our website.  If you do not see what you are looking for, please do not hesitate to call us.  We have knowledgeable salesmen on standby to assist you with any questions you might have.

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Additional information

Weight 7 lbs
Dimensions 24 × 6 × 6 in


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