The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21046-15 |
| Category | Check Valves |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Check valve spring 15N, Öhlins part number 21046-15. The seat face has to be flat enough for the first shim to seal against it.
Key Features
- Öhlins part number 21046-15
- Original Öhlins service part
Where It Sits
There is no measurement to check here — the number and the exploded view identify it. Jets meter fixed bleed flow and are sized in tenths of a millimetre. Twin-tube pistons have separate paths for compression and rebound, which is the whole point of the design. Öhlins machines the ports rather than casting them, so the edges stay sharp and the flow predictable.
Genuine Service Part
Every part in this catalogue is one Öhlins fits itself during assembly and service. Öhlins manufactures service parts on the same lines as production parts — there is no second quality. Service parts are supplied per piece unless the description says otherwise. If you are unsure which number your unit takes, send us the model and serial number of the damper and we will look it up.
How to Be Sure It Fits
Öhlins identifies this position by the number 21046-15 in the exploded view for the unit it belongs to. This position has no published dimension, so the part number is the only reliable identifier. Öhlins uses a light spring so the valve reacts to shaft speed rather than to pressure alone. Öhlins uses a piston band rather than metal-to-metal contact, which is what keeps the bore intact.
Fitting and Setup Service
We are an authorised Öhlins service centre, so you do not have to source the tools and the nitrogen: send us the damper and we rebuild it with the correct parts and the correct setting.
Specifications
- Brand: Öhlins
- Part Number: 21046-15
- Category: Check Valves
- Country of Origin: Sweden
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