Fuel Return Line

The DTech DT660020 Fuel Return Line Kit includes the injector banjo washer and seals for one side of your 2001-2004 GM 6.6L Duramax LB7 engine.

FEATURES: 

• Direct Fit 
• Each Kit Includes Seals For One Bank (Qty 2 required per 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.