Product Description
CUMMINS 3936953 OEM FUEL INJECTOR CONNECTOR TUBE FOR 1998.5-2002 RAM 2500 AND 3500 5.9L CUMMINS
The Cummins 3936953 OEM fuel injector connector tube is a genuine high-pressure fuel connector designed for 1998.5-2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins ISB engine using the VP44 injection pump.
This connector tube seals the high-pressure connection between the injector and injection line to help maintain proper injection pressure, fuel delivery, smooth idle quality, and injector performance.
Manufactured to genuine Cummins specifications, the 3936953 connector tube features hardened sealing surfaces and precision internal machining for long-term durability and reliable sealing under high-pressure diesel fuel system operation.
Sold individually. Six connector tubes are required per engine.
FEATURES
- Genuine OEM Cummins fuel injector connector tube
- Designed for VP44-equipped 5.9L Cummins engines
- Maintains proper high-pressure fuel sealing
- Precision-machined internal fuel passage
- Hardened sealing surfaces for durability
- Helps prevent fuel leakage and aeration
- Supports smooth idle and injector operation
- Direct-fit OEM replacement design
FITMENT
- 1998.5 Dodge Ram 2500 5.9L Cummins 24-valve VP44
- 1998.5 Dodge Ram 3500 5.9L Cummins 24-valve VP44
- 1999 Dodge Ram 2500 5.9L Cummins 24-valve VP44
- 1999 Dodge Ram 3500 5.9L Cummins 24-valve VP44
- 2000 Dodge Ram 2500 5.9L Cummins 24-valve VP44
- 2000 Dodge Ram 3500 5.9L Cummins 24-valve VP44
- 2001 Dodge Ram 2500 5.9L Cummins 24-valve VP44
- 2001 Dodge Ram 3500 5.9L Cummins 24-valve VP44
- 2002 Dodge Ram 2500 5.9L Cummins 24-valve VP44
- 2002 Dodge Ram 3500 5.9L Cummins 24-valve VP44
- Select industrial ISB and ISC applications
Fitment Note: Verify compatibility using engine serial number before ordering for industrial and commercial applications.
WHAT'S INCLUDED
- 1 Cummins 3936953 fuel injector connector tube
IMPORTANT INSTALLATION NOTES
- Replace connector tube O-rings during installation
- Inspect injector and line sealing surfaces before installation
- Hand-start fuel line fittings to prevent cross-threading
- Torque fuel lines to factory specifications
- Prime the fuel system after installation
- Check carefully for leaks during startup and operation
CROSS-REFERENCE
- Cummins 3936953
- Cummins 3944833
- Cummins 3044700
- Cummins 4931173
- Mopar 5013856AA
- Bosch F00ZR20002
RELATED PARTS
- Cummins fuel injection lines
- Cummins injector O-rings
- Cummins VP44 fuel system components
- Cummins fuel return tubes and drain tubes
- Cummins fuel line support brackets
SPECIFICATIONS
- Brand: Cummins
- Part Number: 3936953
- Product Type: Fuel injector connector tube
- Fuel System Compatibility: VP44 high-pressure fuel system
- Engine Compatibility: 5.9L Cummins ISB 24-valve
- Fitment Years: 1998.5-2002
- Material: Hardened steel
- Quantity Required Per Engine: 6
- GTIN: 0615284528258
- UPC: 0615284528258
- Approximate Shipping Weight: 0.26 pound
- Shipping Method: Standard ground shipping
- Condition: New genuine Cummins OEM part
FAQ
Will this fit my 1998.5-2002 Dodge Ram 5.9L 24-valve?
Yes. Cummins 3936953 is designed for VP44-equipped 1998.5-2002 Dodge Ram 2500 and 3500 trucks with the 5.9L 24-valve Cummins engine.
How many connector tubes does my engine use?
The 6-cylinder 5.9L Cummins engine uses six connector tubes total. This listing is sold individually.
Should I replace the O-rings during installation?
Yes. New connector tube O-rings should always be installed to help prevent leaks and fuel system issues.
What symptoms can a worn connector tube cause?
Common symptoms include hard starting, rough idle, fuel leaks, poor injector sealing, and inconsistent fuel pressure.
Is this the same as the Cummins male connector?
Yes. Cummins commonly refers to this part as a male connector or injector connector tube.