Tension roller
OEM: SKF VKM21012 028109244
- Tested before shipping
- Guaranteed quality
- Fast delivery 3–7 days
- 14-day returns
Disassembled car photo
Donor vehicle description
1959 parts from this car
Engine running
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Details for this exact part
- Code
- SKF VKM21012 028109244
- OEM
- SKF VKM21012 028109244
- Condition
- New
- Availability
- 3 in stock - ready to ship
- Make, model
- Other used and new parts
What is this part and why does it matter?
The tensioner pulley maintains correct tension on the accessory drive belt, keeping it from slipping while allowing for length changes as the belt wears.
Signs of a faulty part
If you notice any of the following, the part likely needs replacement:
- Squealing or chirping noise from the belt area
- Belt slipping when accessories (A/C, power steering) are under load
- Rattling noise from the tensioner itself, especially at idle
Installation information
Bolts to the engine block — release tension carefully when removing, as the spring mechanism can snap back with force.
Frequently asked questions
Worn internal spring or damping components, or a worn bearing inside the pulley itself, most commonly from age and heat cycling.











