MDC DIESEL INJECTOR CONNECTOR CROSSOVER TUBES 2003-2024 5.9L AND 6.7L

MDC Diesel Injector Connector Crossover Tubes – 2003-2024 5.9L & 6.7L Cummins

Restore proper fuel delivery and injector sealing with MDC Diesel Injector Connector Crossover Tubes, designed for common-rail 5.9L and 6.7L Cummins diesel engines from 2003-2024.

Injector crossover tubes—also commonly referred to as injector connector tubes or feed tubes—provide the critical high-pressure fuel connection between the fuel rail system and the injector. Worn, damaged, or improperly sealing connector tubes can contribute to fuel leaks, hard starting, rough running, and other fuel-system issues.

MDC Diesel crossover tubes are an excellent choice when replacing injectors, servicing the high-pressure fuel system, or refreshing components during an engine build.

Features

• Fits 2003-2024 5.9L & 6.7L Cummins applications

• Designed for common-rail fuel systems

• Direct replacement for factory-style injector connector/crossover tubes

• Provides the high-pressure fuel connection to the injector

• Precision sealing surfaces for reliable fuel-system sealing

• Ideal for injector replacement, engine builds, and fuel-system repairs

• Suitable for stock, towing, performance, and high-horsepower applications

• Sold by MDC Diesel

Why Replace Injector Crossover Tubes?

The sealing surface of the crossover tube is critical to proper operation of the common-rail fuel system. Reusing worn or damaged tubes can result in an improper seal between the connector tube and injector. Installing fresh crossover tubes during injector replacement helps ensure the fuel system is assembled with clean, properly sealing components.

Fitment

Engine: 5.9L & 6.7L Cummins Common Rail
Model Years: 2003-2024
Application: Injector connector / crossover tube replacement

Installation Note: Proper installation and torque procedures are critical on high-pressure common-rail fuel systems. Always verify the correct installation specificatio