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Detroit Diesel EGR Coolers and Gasket Kits

EGR Cooler
EGR Cooler After Bostech Remanufacturing
  • Direct replacement
  • Pressure tested, Tig Welds Guaranteed not to leak
  • Designed to work with current engine management system and will not set check engine light
  • Passes emissions testing
  • Works great for fleet vehicles that idle a lot

If you have had much experience with the newer diesel engines, the Detroit Diesel EGR Coolers have likely caused you down time. Many owners have replaced the EGR Cooler more than one time in the first 100,000 miles. We have the solution for this problem. An upgraded Detroit Diesel Diesel EGR cooler is the answer.

We have developed a redesign process that will make the EGR Cooler ROCK SOLID. We remove the insides of the original cooler and replace it with stainless steel tubes. The tubes are then Tig Welded to laser cut plates. The plates are Tig Welded to the housing isolating the water from the exhaust. This ensures that the system will be trouble free from leaks for the life of the vehicle.

The new designed tubes cool the exhaust gas better than before.  This helps prevent the system from collecting exhaust suit and carbon that would restrict flow and diminish the effectiveness of the system.

  EGR Delete EGR Cooler Upgrade
Highway Legal NO YES
Emissions Test Passed NO YES
Will I Need to Buy a Tuner? YES NO
Check Engine Light YES NO
Will I Be Breaking The Law? YES NO

Click on Desired Part for More Info and to Order

EGR Cooler 2004-2008 Detroit Diesel DDEC IV EGR Cooler   $895.00 OEM # 23538835

Bostech # EGR835
EGR Cooler 2004-2008 Detroit Diesel DDEC IV EGR Cooler Gasket Kit   $34.95 Bostech # EGR835GKT


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