Product Description
The CUMMINS 4935577 OEM TURBO OIL FEED SUPPLY LINE is designed for 2003–2018 5.9L and 6.7L Cummins ISB diesel engines. This genuine Cummins oil supply line delivers pressurized engine oil to the turbocharger and is engineered to maintain proper lubrication, durability, and OEM fitment.
Use this part when replacing a leaking, damaged, restricted, or corroded turbo oil feed line. Proper oil delivery is critical for turbocharger performance and long service life. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM turbo oil feed supply line
- Direct-fit replacement for applicable ISB Cummins engines
- Delivers pressurized engine oil to the turbocharger
- Helps maintain proper turbocharger lubrication
- Designed for long service life and OEM reliability
- Ideal for turbo replacement, repair, or maintenance work
FITMENT
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins Common Rail
- 2007.5–2018 Ram 2500/3500 6.7L Cummins
- Select Cummins ISB industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 4935577 OEM Turbo Oil Feed Supply Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4935577
- Cummins Turbocharger Installation Components
- Cummins Turbo Oil Drain Tube Components
- Cummins Turbocharger Mounting Hardware
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4935577
- Part Type: Turbo Oil Feed Supply Line
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 2003–2018
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New OEM Cummins
- System Application: Turbocharger Lubrication System
- Installation Type: Direct Replacement
FAQ
Will this turbo oil feed line fit my truck?
This line fits many 2003–2018 5.9L and 6.7L Cummins applications. Always verify fitment by engine serial number before ordering.
What does a turbo oil feed line do?
The turbo oil feed line supplies pressurized engine oil to the turbocharger bearings for lubrication and cooling during operation.
When should a turbo oil feed line be replaced?
Replacement is recommended if the line becomes restricted, damaged, corroded, leaking, or during certain turbocharger replacement procedures.
Is this a genuine Cummins part?
Yes. Cummins 4935577 is a genuine OEM Cummins turbo oil feed supply line manufactured to factory specifications.
What can happen if a turbo oil supply line fails?
A failed or restricted oil supply line can reduce lubrication to the turbocharger and may contribute to premature turbocharger damage or failure.
Do I need any related parts?
Inspect the turbo oil drain tube, turbocharger mounting hardware, seals, fittings, and oil supply connections during installation and replace worn components as necessary.