Öhlins Shaft 12/543 AluÖhlins Shaft 12/543 Alu
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21637-06
CategoryDamper Shafts
Diameter12 mm
Length543 mm
Country of OriginSweden
DescriptionThe whole story▼

Shaft 12/543 Alu, Öhlins part number 21637-06. Shafts are not shortened or extended; the length is the specification.

Key Features

  • Original Öhlins service part
  • Diameter 12 mm
  • Öhlins part number 21637-06
  • Length 543 mm

What It Is

Dimensionally this is 12 mm, 543 mm, which is how it is told apart from the rest of the range. The shaft is threaded at both ends: piston at one, mounting at the other. Surface hardness is what lets the shaft survive thousands of cycles through a seal. Chrome or nitride treatment is what lets the shaft run in a seal for thousands of kilometres.

Why the Original

An original part keeps the unit within its published specification; a near-equivalent quietly moves it. Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. We can supply the whole position from the drawing rather than the single piece if that is easier. If you are between two sizes, send us the measurement and we will check it against the catalogue.

How to Be Sure It Fits

If the unit is already open, compare the dimensions below with the part in your hand before ordering 21637-06. The published dimensions are diameter 12 mm, length 543 mm — measure the old part against them if you are unsure. Öhlins offers shafts in several lengths per diameter because the stroke differs by model. Shaft diameter sets the displaced volume, which is why it is part of the damper's specification.

Fitting and Setup Service

Öhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.

Specifications

  • Brand: Öhlins
  • Part Number: 21637-06
  • Category: Damper Shafts
  • Diameter: 12 mm
  • Length: 543 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

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