Cummins 5.9L 24V Injector Connector Tube | Bosch F00ZR20002 | ISB ISC

Genuine Bosch injector connector tube (high-pressure connector) for the 1998.5–2002 Dodge 5.9L Cummins 24-valve (VP44) — also used on the 8.3L ISC. Part number F00ZR20002 connects the injection line to the injector through the cylinder head. Cummins P/N 3936953. It's commonly replaced when installing new injectors to prevent contamination. This is a connector tube, not a stud.

Key Features:

• Genuine Bosch injector connector tube for the 1998.5–2002 Cummins 5.9L ISB 24-valve (VP44); also 8.3L ISC
• Connects the injection line to the injector through the cylinder head
• Recommended replacement when installing new injectors (prevents new-injector contamination)
• Cummins P/N 3936953 (also 3944833)
• Includes O-ring

Specifications:

• Base part number: F00ZR20002 (Bosch)
• Component type: Injector connector tube (high-pressure connector)
• Cummins reference: 3936953 / 3944833
• Engine: Cummins 5.9L ISB 24-valve (1998.5–2002, VP44); 8.3L ISC
• Sold individually (six per engine)

Compatibility / Fitment:

• 1998.5–2002 Dodge Ram 5.9L Cummins 24-valve (VP44 pump); Cummins 8.3L ISC
• Required for first-time injector replacement on engines with serial numbers below 56462598
• Not the 2003–2007 5.9L common-rail connector tube — that's a different part
• Common cross-references: 3936953, 3944833, BD 1040281

Conclusion:

The F00ZR20002 is a genuine Bosch injector connector tube for the 1998.5–2002 Cummins 5.9L ISB 24-valve (and 8.3L ISC). It connects the injection line to the injector and is commonly replaced during an injector job. Sold individually (six per engine) — required on early engines with a serial number below 56462598.