Product Description
Cummins 3919687 OEM HX35 Turbo Oil Inlet Fitting (Female Connector) – Ram 5.9L 12V/24V
The Cummins 3919687 OEM HX35 Turbo Oil Inlet Fitting (Female Connector) is the factory-correct oil feed connector used on Holset HX35 turbochargers found on 1994-2002 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Designed to provide proper oil flow, secure thread engagement, and leak-free sealing, this genuine Cummins fitting ensures reliable turbocharger lubrication and long-term durability.
Whether you're installing a new HX35 turbocharger, replacing damaged oil feed hardware, or repairing a turbo oil leak, the Cummins 3919687 provides an exact OEM replacement for both 12-valve and 24-valve applications. Using genuine Cummins components helps prevent oil restrictions, lubrication issues, and premature turbocharger failure caused by improper fittings or aftermarket substitutes.
Features
- Genuine Cummins OEM replacement part
- Factory-correct HX35 turbocharger oil inlet fitting
- Female connector design for OEM oil supply systems
- Provides proper oil flow to the turbocharger
- Ensures correct thread engagement and sealing
- Helps prevent oil leaks and lubrication issues
- Direct replacement for worn or damaged fittings
- Includes O-ring for installation
- Designed for OEM Holset HX35 turbocharger applications
- Maintains factory reliability and performance
Fitment
- 1994-1998 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1994-1998 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1998.5-2002 Dodge Ram 2500 5.9L 24-Valve Cummins
- 1998.5-2002 Dodge Ram 3500 5.9L 24-Valve Cummins
- OEM Holset HX35 Turbocharger Applications
- Direct replacement for factory oil feed connector systems
Note: This fitting is designed for OEM HX35 turbocharger applications. Always inspect the oil feed line, sealing washer, O-ring, and mating surfaces during installation to ensure proper oil delivery and leak-free operation.
What's Included
- Cummins 3919687 OEM HX35 Turbo Oil Inlet Fitting
- Installation O-Ring
Specifications
- Manufacturer: Cummins Genuine Parts
- Part Number: 3919687
- Component Type: Turbocharger Oil Inlet Fitting
- Connector Style: Female Connector
- Turbocharger Compatibility: Holset HX35
- Thread Size: M12 x 1.5
- Seal Type: O-Ring
- Material: OEM Steel Construction
- Application: Turbocharger Oil Feed System
- Engine Compatibility: 5.9L Cummins 12V and 24V
- Fitment Years: 1994-2002 Dodge Ram
- Installation: Direct OEM Replacement
Cross Reference Numbers
3919687, Cummins 3919687, HX35 Oil Inlet Fitting, HX35 Female Connector, Turbo Oil Feed Connector, M12x1.5 Turbo Oil Feed Fitting, Holset HX35 Oil Inlet, 3924389, 3037236, 3912747
FAQ
Is the Cummins 3919687 the correct oil inlet fitting for an HX35 turbocharger?
Yes. The 3919687 is the factory oil feed connector used on OEM Holset HX35 turbochargers found on 5.9L Cummins-powered Dodge Ram trucks.
Does this fit both 12-valve and 24-valve Cummins engines?
Yes. The Cummins 3919687 fits both 1994-1998 12-valve and 1998.5-2002 24-valve 5.9L Cummins applications equipped with an OEM HX35 turbocharger.
Does this fitting include an O-ring?
Yes. Genuine Cummins 3919687 fittings typically include a new O-ring to ensure proper sealing during installation.
Can a leaking oil inlet fitting damage the turbocharger?
Yes. Oil leaks or restrictions at the turbocharger oil feed connection can reduce lubrication, leading to premature bearing wear and possible turbocharger failure.
Will this work with aftermarket oil feed lines?
This fitting is designed for OEM-style oil feed systems. Some aftermarket oil supply lines may require different adapters or fittings depending on the manufacturer.
Why use a genuine Cummins oil inlet fitting?
Genuine Cummins hardware provides the correct thread engagement, sealing surface, and oil flow characteristics needed to maintain proper turbocharger lubrication and reliability.