Product Description
The CUMMINS 3900250 OEM VALVE SPRING KEEPER (VALVE COLLET) is designed for 1989–1998 5.9L Cummins 12V diesel engines. This genuine Cummins valve keeper secures the valve spring retainer to the valve stem and is critical for maintaining proper valve train operation and engine reliability.
Use this part when rebuilding a cylinder head, replacing valves or valve springs, or repairing worn valvetrain components. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM valve spring keeper
- Also known as a valve collet or valve lock
- Designed for 1989–1998 5.9L Cummins 12V applications
- Helps secure the valve spring retainer to the valve stem
- Critical component for proper valve train operation
- Direct-fit replacement part
FITMENT
- 1989–1993 Dodge Ram 2500/3500 5.9L Cummins 12V
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12V
- Select Cummins 6BT 5.9L industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3900250 OEM Valve Spring Keeper (Valve Collet)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3900250
- Valve spring retainers
- Valve springs
- Intake and exhaust valves
- Cylinder head rebuild components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3900250
- Part Type: Valve Spring Keeper / Valve Collet
- Engine Compatibility: 5.9L Cummins 12V
- Fitment Years: 1989–1998
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits 1989–1998 5.9L Cummins 12V applications listed above. Always verify engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3900250 is a genuine OEM direct-fit replacement valve spring keeper.
What is included?
This listing includes one Cummins 3900250 valve spring keeper.
What does a valve spring keeper do?
The valve spring keeper locks the valve spring retainer to the valve stem, helping maintain proper valve train operation and spring retention.
How many keepers are required per valve?
Most applications use two matching keeper halves per valve. Verify your engine configuration before ordering.
Do I need any related parts?
Inspect the valve springs, retainers, valves, seals, guides, and other cylinder head components during installation and replace worn parts as necessary.
