Fuel Injector Return Pipe, 3.0L Duramax | 2020 - 2026

Fuel Injector Return Pipe | 2020–2026 3.0L LM2 & LZ0 Duramax

Maintain proper fuel system operation with the Genuine GM Fuel Injector Return Pipe, for 2020–2026 3.0L LM2 and LZ0 Duramax engines. This OEM replacement line returns excess fuel from the injectors to the fuel return system, helping maintain proper fuel circulation and reliable engine operation.

Designed, engineered, and tested to GM original equipment standards, this direct-fit replacement provides factory-quality compatibility and dependable performance. Ideal for replacing damaged, leaking, or worn fuel return lines during fuel system repairs or maintenance.

Key Features

• Genuine GM original equipment replacement
• Direct-fit fuel injector return pipe
• Restores proper injector fuel return flow
• Helps prevent fuel leaks caused by damaged return lines
• Designed and tested to GM OEM standards
• Suitable for fuel system repairs and maintenance
• Replaces GM Part Numbers: 55507106, 55510040, 55511778, and 55515486

Benefits

The GM Fuel Injector Return Pipe provides a reliable OEM replacement for maintaining proper fuel return flow and preventing leaks. Its factory-engineered design ensures proper fitment and dependable operation within the original fuel injection system.

Fitment

2020–2026 Silverado, Sierra, Tahoe, Yukon 3.0L LM2 and LZ0 Duramax diesel engines.

What's Included

• (1) Genuine GM Fuel Injector Return Pipe – 55515929