2007.5-2010 Duramax LMM EGR Blocker Plate (74100)

The 74100 Dirty EGR Blocker Plate is a simple 30-minute solution that helps prevent future EGR-related issues on your LMM. This plate slips into place and blocks exhaust gases from recirculating back into your intake system without removing the entire EGR assembly.

Laser-cut from stainless steel and designed for straightforward installation, this blocker plate offers a clean, durable way to finish an EGR modification properly.

Part Number: 74100

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• Laser-cut stainless steel construction.
• Integrated top tab for easier installation.
• Approximate 30-minute installation.
• For off-road and competition use only.

• (1) Laser-Cut Stainless Steel EGR Blocker Plate

Material	Laser-Cut Stainless Steel
Origin	Canada

 

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2007.5-2010 Duramax LMM EGR Blocker Plate (74100)

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• ?

  How does this work how does it affect the truck does it need to be tuned

  The blocker plate slips into place on the LMM and blocks the EGR from recirculating gases back into your intake so you don't have to remove the EGR, but tuning is required.