Öhlins Shaft 8/364Öhlins Shaft 8/364
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21812-09
CategoryDamper Shafts
Diameter8 mm
Length364 mm
Country of OriginSweden
DescriptionThe whole story▼

Shaft 8/364, Öhlins part number 21812-09. Öhlins offers several lengths per diameter because stroke differs by model.

Key Features

  • Length 364 mm
  • Diameter 8 mm
  • Original Öhlins service part
  • Öhlins part number 21812-09

What It Is

8 mm, 364 mm: that is the whole specification, and it has to match what came out. The shaft is threaded at both ends: piston at one, mounting at the other. Öhlins offers shafts in several lengths per diameter because the stroke differs by model. Öhlins hardens and surface-treats its shafts because a scratch on the running surface takes the seal with it.

Genuine Service Part

Öhlins supports its suspension with individual service parts, which is why a fifteen-year-old damper can still be rebuilt to specification. The tolerances here are the ones the unit was assembled to, not a pattern equivalent's interpretation of them. Service parts are supplied per piece unless the description says otherwise. The exploded drawing for your unit names the number; if you do not have it, we do.

Getting the Number Right

Order under 21812-09. Where several sizes share a description, only the number separates them. diameter 8 mm, length 364 mm is what distinguishes this number from its neighbours in the range. Shaft straightness matters: a bent shaft drags in the seal head and destroys the seal within hours. A shaft is measured by diameter and overall length, and both are specific to the unit it belongs to.

Fitting and Setup Service

If you would rather not open the damper yourself, we can do it — we are an authorised Öhlins service centre and rebuild these units as a matter of routine.

Specifications

  • Brand: Öhlins
  • Part Number: 21812-09
  • Category: Damper Shafts
  • Diameter: 8 mm
  • Length: 364 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

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