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GM 6.6L Duramax LMM EGR Cooler Sensor Port Plug 2007-2010 | Bostech BD3501352


Bostech EGR Cooler Plugs are designed and manufactured to the OEM specifications for both form and fitment. Our plugs made of high-quaility material to ensure maximum operating life and durability during the most extreme working conditions. Bostech Auto is commited to providing top-quality products, backed by our 24-Month unlimited Mileage / Hour material and/or workmanship warranty.

Engine Fitment:

  • GM Duramax LMM


  • Gaskets, Seals, and O-Rings may vary in color.
  • Application Data for reference only, not all make, model, or years may be listed.
  • Please use OEM interchange to ensure proper fitment.
  • Bostech / BT-Power is not associated with any OEM manufacturer. Any and all use of the Original Manufacturer name is for product description purposes only.
Prop65 Warning::
WARNING: Cancer and Reproductive Harm -
M12 x 1.25


Bostech / BT-Power's 24-Month Unlimited Mileage Warranty.

Our warranty covers product replacement for material and/or workmanship defects up to 24-months from the product purchase date, see our Warranty Policy under the Help Center link at the top of the page for full warranty details.

If you are experiencing issues with our products please contact our Customer Service Team.

Technical Support is available by contacting Bostech's Customer Service at 1-800-868-0057 or by emailing