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01-04 GM 6.6L Duramax LB7 Dtech Valve Cover Noise Isolator Grommets

The DTech DT660014 Valve Cover Noise Isolator Grommets are a direct replacement for the OE Isolators in your 2001-2004 GM 6.6L Duramax. With the increasing age of these trucks, replacement of gaskets and seals like this are recommended for a leak-free repair. OE style quality, built to meet or exceed OE specifications. 


  • Noise Isolators Replace OE 
  • 1 Kit Required Per Cylinder Bank
  • 2 Kits Required For Both Sides Of Engine 
DTech Warranty:
Consumer/Non-Professional Installers - 1 Year, Unlimited Mileage Warranty. 
Professional Shop / Automotive Truck Installers - 2 Years, Unlimited Mileage Warranty. 

This warranty applies to product used under normal operating conditions and service. Repairs, modification, disassembly or any other alteration of DTech products from their original condition are not covered by this warranty. Warranty will not be extended to failures caused by incorrect installation or application, modification, contamination, negligence or abuse. The warranty does not extend to diagnostic time, incidental or consequential damages.

Part number: DT660014
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