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SKU:FPE-DMAX-CBOP
Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)
Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)
Description
Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)
Fleece Performance FPE-DMAX-CBOP
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate is a direct replacement for the factory rear engine cover plate on 2001-2023 6.6L Duramax engines. This high-strength billet aluminum plate includes an integrated square-cut O-ring for a leak-free installation without the need for a separate gasket.
Product Highlights
- Enhanced Durability: Machined from billet aluminum to resist warping and provide long-lasting strength
- Integrated O-Ring Seal: Eliminates the need for a separate gasket, ensuring a reliable and leak-free fit
- Direct OEM Replacement: Compatible with GM Part Number 97941204 for hassle-free installation
Detailed Product Description
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate offers a robust upgrade to the factory rear engine cover plate. Constructed from billet aluminum, it is engineered for superior durability in demanding conditions. Its integrated square-cut O-ring simplifies installation and prevents coolant leaks, making it an ideal solution for high-performance applications. This coolant block off plate is designed to fit seamlessly with all 6.6L Duramax engine variants, from LB7 to L5P.
Compatibility
- Designed for: 2001-2023 GM Silverado/Sierra 2500/3500 with 6.6L Duramax engines
- Engine Variants: LB7, LLY, LBZ, LMM, LML, L5P
Installation Notes
- Integrated O-ring eliminates the need for a separate gasket
- Professional installation is recommended to ensure proper fitment and seal
Warranty
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate includes a 1-year limited parts warranty, reflecting Fleece Performance’s dedication to quality and customer satisfaction.
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate is a must-have upgrade for Duramax owners seeking enhanced reliability and ease of maintenance for their engine’s cooling system.

Fitments
Instructions
Specifications
SKU: FPE-DMAX-CBOP
GTIN: 670876000000
Manufacture Name: Fleece Performance
Shipping Weight:
Shipping Length:
Shipping Width:
Shipping Height:
EO Number:
Cross Reference #
California Proposition 65 Warning
California Proposition 65 Warning - P65warnings.ca.gov

Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)
Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)
Fleece Performance FPE-DMAX-CBOP
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate is a direct replacement for the factory rear engine cover plate on 2001-2023 6.6L Duramax engines. This high-strength billet aluminum plate includes an integrated square-cut O-ring for a leak-free installation without the need for a separate gasket.
Product Highlights
- Enhanced Durability: Machined from billet aluminum to resist warping and provide long-lasting strength
- Integrated O-Ring Seal: Eliminates the need for a separate gasket, ensuring a reliable and leak-free fit
- Direct OEM Replacement: Compatible with GM Part Number 97941204 for hassle-free installation
Detailed Product Description
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate offers a robust upgrade to the factory rear engine cover plate. Constructed from billet aluminum, it is engineered for superior durability in demanding conditions. Its integrated square-cut O-ring simplifies installation and prevents coolant leaks, making it an ideal solution for high-performance applications. This coolant block off plate is designed to fit seamlessly with all 6.6L Duramax engine variants, from LB7 to L5P.
Compatibility
- Designed for: 2001-2023 GM Silverado/Sierra 2500/3500 with 6.6L Duramax engines
- Engine Variants: LB7, LLY, LBZ, LMM, LML, L5P
Installation Notes
- Integrated O-ring eliminates the need for a separate gasket
- Professional installation is recommended to ensure proper fitment and seal
Warranty
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate includes a 1-year limited parts warranty, reflecting Fleece Performance’s dedication to quality and customer satisfaction.
The Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate is a must-have upgrade for Duramax owners seeking enhanced reliability and ease of maintenance for their engine’s cooling system.


Fleece Performance FPE-DMAX-CBOP 6.6L Duramax Billet Coolant Block Off Plate (2001-2023)