The DTech DT660015 Valve Cover Injection Line Seal replaces the old Injection Line Seal in the valve cover of your 2001-2004 GM 6.6L Duramax. These seals feature an OE style that meets or exceeds OE specifications.
OE Style Replacement
1 Kit Required Per Cylinder Bank
2 Kits Required For Both Sides Of Engine
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.