Coolant Block-Off Plate With O-Ring Seal DP0402 For Chevy GMC 6.6L Duramax 01-17

Coolant Block-Off Plate With O-Ring Seal for Chevy GMC

This Coolant Block-Off Plate With O-Ring Seal for Chevy GMC, cross-referenced to DP0402, safely seals off unused coolant passages during service or modifications on 6.6L Duramax diesel engines.

Overview

This Coolant Block-Off Plate With O-Ring Seal for Chevy GMC blocks unused coolant paths securely to prevent pressurized cooling system leaks. Constructed from durable materials, this Coolant Block-Off Plate With O-Ring Seal for Chevy GMC withstands severe engine temperatures. This Coolant Block-Off Plate With O-Ring Seal for Chevy GMC is a reliable solution for diesel technicians servicing Duramax cooling loops.

Built For Performance

• Billet aluminum construction resists warping and thermal distortion
• Includes high-temperature rubber O-ring to ensure a leak-proof seal
• Precision CNC-machined for exact mounting alignment
• Anodized finish protects against corrosion in harsh environments

Fits These Machines

• for Chevy Silverado 2500HD/3500HD 6.6L Duramax 2001-2017
• for GMC Sierra 2500HD/3500HD 6.6L Duramax 2001-2017

On-The-Job Use

• Sealing coolant passages during engine modifications and emission system service
• Preventing high-pressure coolant leaks under heavy towing loads
• Maintaining diesel engine cooling system integrity on high-mileage work trucks

Specs At A Glance

Good To Know

Q: Is the O-ring reusable if the plate is removed? A: It is highly recommended to replace the O-ring seal if the plate is ever disassembled to prevent leaks.

Q: Does this plate block off the oil cooler or the coolant path? A: This specific plate DP0402 is designed for the engine coolant system bypass and block-off paths.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.