2001-2025 Duramax Billet Coolant Block Off Plate (FPE-DMAX-CBOP)

The Fleece Performance FPE-DMAX-CBOP blocking plate is thicker than the stock plate and has an integral square cut O-ring which means no gasket required! OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.

Fleece Product Number: FPE-DMAX-CBOP

• Upgrade your rear engine cover and stop the coolant leaks for good!
• Thicker than the OEM plate
• Integral square-cut O-ring which means no gasket required!

• Direct Replacement for GM P/N: 97941204

Don't see your question? Ask us anything about this product.

• ?

  Will this plate fit a 2025 L5P?

  Yes!

• ?

  work on lb7?

  No.

• ?

  My truck is a 2018 L5P does this plate fit ?

  Yes, this will fit!