Bosch Bosch Fuel Injector Return Line, Duramax | 2011 - 2016

Bosch Fuel Injector Return Line – Duramax (2011–2016) 

Maintain optimal fuel system performance with the Bosch Fuel Injector Return Line for 2011–2016 GM 6.6L Duramax engines. As an original equipment (OE) Bosch component, this return line is engineered to deliver precise fuel return flow, ensuring consistent injector performance and preventing leaks under high-pressure diesel operation.

Constructed from high-quality, fuel- and heat-resistant materials, the Bosch return line offers superior durability and reliability compared to aftermarket alternatives. Its direct-fit design simplifies installation and guarantees a secure, leak-free connection—perfect for both service replacements and complete injector overhauls.

Features:

• Genuine Bosch OEM replacement part

• Part Number: 0 445 130 020

• Fits 2011–2016 GM 6.6L Duramax (LML, LGH) engines

• Restores proper fuel return flow and injector balance

• Engineered for durability under high temperature and pressure

• Direct-fit design for quick, reliable installation

• Helps prevent fuel leaks and ensures optimal injector performance

Cross-Reference Part Numbers:

• GM: 1263900