Öhlins Check valveThe facts.
| Brand | Öhlins |
|---|---|
| Part Number | 15511-01 |
| Category | Check Valves |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Check valve, Öhlins part number 15511-01. Valves and needles set the adjustable part of the damping; the piston sets the rest.
Key Features
- Original Öhlins service part
- Öhlins part number 15511-01
What It Is
This position is identified by its number rather than by a dimension. A check valve holds pressure in one direction and opens in the other; a worn one lets damping bleed away. Öhlins uses a light spring so the valve reacts to shaft speed rather than to pressure alone. Port area sets how much oil can pass before the shims begin to lift.
Genuine Service Part
An original part keeps the unit within its published specification; a near-equivalent quietly moves it. Öhlins supports its suspension with individual service parts, which is why a fifteen-year-old damper can still be rebuilt to specification. Öhlins numbers do not follow a logic you can guess — always read them from the documentation. If you are between two sizes, send us the measurement and we will check it against the catalogue.
Getting the Number Right
Part number 15511-01 is unambiguous; the description alone is not, because Öhlins uses similar wording across sizes. Where no measurement is given, the drawing position is what identifies the part. Öhlins uses a light spring so the valve reacts to shaft speed rather than to pressure alone. Port area and shim seat geometry decide the damping curve before any adjuster is touched.
Fitting and Setup Service
A damper rebuild is workshop work: it needs the unit dismantled, the shim stack rebuilt in the correct order and the gas charge reset. We are an authorised Öhlins service centre and do exactly that in house — send us the unit or ask us to fit the part with your order.
Specifications
- Brand: Öhlins
- Part Number: 15511-01
- Category: Check Valves
- Country of Origin: Sweden
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