2001-2004 Duramax LB7 Merchant Automotive Injector Return Line Bolt Set of 8 (10491-8) 2007.5 - 2009 Dodge Fuel Systems 0L Powerstroke with the Mahle

0L Powerstroke with the Mahle Cylinder Head Gasket Set

Cab & Chassis / Topkick

7L Powerstroke with Mahle Cylinder Head Gasket

5-2004 Cummins 5

Superduty w/ 5/8 Manual Lever

2001-2004 Duramax LB7 Merchant Automotive Injector Return Line Bolt Set of 8 (10491-8) 2007.5 - 2009 Dodge Fuel Systems 0L Powerstroke with the MahleWith the shallow head on the stock fuel injector return line bolt, it is common for the head to round out during removal or installation. This MA Heavy Duty Duramax Fuel Injector Return Line Bolt has been redesigned to allow nearly double the tool engagement. Proper engagement of the Allen wrench in the return line bolt head is crucial for accurate torque during reassembly to avoid a fuel leak at the return line fitting. The unique head shape found on