Öhlins Shaft 8/381The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21765-02 |
| Category | Damper Shafts |
| Diameter | 8 mm |
| Length | 381 mm |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Shaft 8/381, Öhlins part number 21765-02. A shaft is threaded at both ends: one for the piston, one for the mounting.
Key Features
- Diameter 8 mm
- Length 381 mm
- Öhlins part number 21765-02
- Original Öhlins service part
Function
Dimensionally this is 8 mm, 381 mm, which is how it is told apart from the rest of the range. Shaft straightness matters: a bent shaft drags in the seal head and destroys the seal within hours. A bent shaft drags in the head and destroys the seal within hours — replace, never straighten. A shaft is threaded at both ends: one for the piston, one for the mounting.
Why the Original
Parts remain available years after a unit leaves the current price list, which is unusual in this trade. The alternative to a service part is usually a new damper, which is why this catalogue exists. Service parts are supplied per piece unless the description says otherwise. Öhlins numbers do not follow a logic you can guess — always read them from the documentation.
How to Be Sure It Fits
21765-02 is the Öhlins number for this position — the same one printed in the service documentation. diameter 8 mm, length 381 mm is what distinguishes this number from its neighbours in the range. Corrosion on a stored damper usually starts on the exposed shaft. The damper shaft carries the piston through the oil and out through the seal head.
Fitting and Setup Service
Fitting service parts means opening a pressurised unit. As an authorised Öhlins service centre we do that here, with the right tools and a dyno check afterwards — just ask.
Specifications
- Brand: Öhlins
- Part Number: 21765-02
- Category: Damper Shafts
- Diameter: 8 mm
- Length: 381 mm
- Country of Origin: Sweden
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