Product Description
The CUMMINS 3909355 OEM ENGINE OIL FILTER HEAD ADAPTER is designed for 2003–2011 5.9L and 6.7L Cummins diesel engines. This genuine Cummins component provides the mounting interface between the engine block and oil filter assembly, helping maintain proper oil flow and lubrication system performance.
Use this part when repairing damaged oil filter mounting components, servicing the lubrication system, or during engine rebuild work. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM oil filter head adapter
- Direct-fit replacement component
- Designed for 2003–2011 5.9L and 6.7L Cummins applications
- Supports proper oil filter installation and sealing
- Maintains correct lubrication system operation
- Recommended for repair, maintenance, or rebuild work
FITMENT
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
- 2007.5–2011 Ram 2500/3500 6.7L Cummins
- Select Cummins ISB diesel engine applications
WHAT'S INCLUDED
- 1 Cummins 3909355 OEM Engine Oil Filter Head Adapter
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3909355
- Engine oil filter components
- Oil cooler and lubrication system service parts
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3909355
- Part Type: Engine Oil Filter Head Adapter
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 2003–2011
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits the applications listed above. Always verify your year, make, model, engine, and engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3909355 is designed as a direct-fit OEM replacement oil filter head adapter.
What is included?
This listing includes one Cummins 3909355 OEM engine oil filter head adapter.
What does the oil filter head adapter do?
The adapter provides the mounting point and oil passage routing required for proper oil filter installation and lubrication system operation.
When should this adapter be replaced?
Replacement is recommended if the adapter becomes damaged, stripped, cracked, or develops sealing issues that could affect oil system performance.
Do I need any related parts?
Inspect the oil filter, adapter seals, oil cooler components, mounting hardware, and surrounding lubrication system parts during service and replace worn components as necessary.