Öhlins Shaft 8/424Öhlins Shaft 8/424
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21812-15
CategoryDamper Shafts
Diameter8 mm
Length424 mm
Country of OriginSweden
DescriptionThe whole story▼

Shaft 8/424, Öhlins part number 21812-15. A bent shaft drags in the head and destroys the seal within hours — replace, never straighten.

Key Features

  • Öhlins part number 21812-15
  • Diameter 8 mm
  • Original Öhlins service part
  • Length 424 mm

Function

Öhlins publishes 8 mm, 424 mm for 21812-15 — the dimensions are the identity of the part. This is a part that is replaced rather than repaired. Öhlins offers shafts in several lengths per diameter because the stroke differs by model. Corrosion on a stored damper usually starts on the exposed shaft.

Original Öhlins Part

Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. The part number is the contract: it defines material, dimension and finish together. Service parts are ordered per piece unless stated otherwise. Öhlins parts are unit-specific: a close dimension is not a substitute.

Getting the Number Right

21812-15 is the Öhlins number for this position — the same one printed in the service documentation. diameter 8 mm, length 424 mm is what distinguishes this number from its neighbours in the range. The shaft is threaded at both ends: piston at one, mounting at the other. The damper shaft carries the piston through the oil and out through the seal head.

Fitting and Setup Service

Ask us about a full service: as an authorised Öhlins centre we strip, inspect, replace what is worn and set the unit back to its specification.

Specifications

  • Brand: Öhlins
  • Part Number: 21812-15
  • Category: Damper Shafts
  • Diameter: 8 mm
  • Length: 424 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

Before you go.

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