Installation Time
(approx) 30 Minutes
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Dependable Cooling System Solution. The PPE Coolant Block-Off Plate is designed to seal unused coolant passages for improved reliability and leak prevention. Specifically made for 2007–2026 6.6L Duramax GMC Sierra 3500 HD models, this block-off plate serves as a direct replacement, providing both strength and long-lasting performance for your cooling system.
Construction and Appearance. Featuring a matte black finish accented by a matte white PPE logo, this plate combines sleek style with superior durability. It is precision-crafted from billet aluminum, ensuring excellent resistance to heat, pressure, and wear. The included Viton O-ring delivers a secure, leak-free seal, outperforming standard gasket materials for added confidence.
Installation. Engineered as a direct replacement, this block-off plate reuses the stock fasteners for easy installation. With its OE-comparable design, it requires only basic tools to complete the job. Professional installation is recommended to ensure a proper seal and maximum long-term reliability.
Warranty. The PPE Coolant Block-Off Plate is backed by a limited 1-year warranty, reflecting the manufacturer’s confidence in quality and durability. This coverage offers added peace of mind against material or manufacturing defects.
Application. This PPE Coolant Block-Off Plate fits 2007–2026 6.6L Duramax GMC Sierra 3500 HD models. Beyond compatibility, it enhances the performance and reliability of the cooling system by eliminating potential leak points and ensuring secure sealing. With its billet aluminum build, Viton O-ring, and branded finish, it is both a functional and stylish upgrade for your engine bay.
PPE 119000820
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 30 Minutes
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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