Öhlins Shaft 16/178Öhlins Shaft 16/178
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number05500-31
CategoryDamper Shafts
Diameter16 mm
Length178 mm
Country of OriginSweden
DescriptionThe whole story▼

Shaft 16/178, Öhlins part number 05500-31. Shaft diameter sets the volume displaced into the reservoir on every compression stroke.

Key Features

  • Öhlins part number 05500-31
  • Original Öhlins service part
  • Length 178 mm
  • Diameter 16 mm

Where It Sits

Öhlins publishes 16 mm, 178 mm for 05500-31 — the dimensions are the identity of the part. The shaft is threaded at both ends: piston at one, mounting at the other. Shafts are not shortened or extended; the length is the specification. Corrosion on a stored damper usually starts on the exposed shaft.

Why the Original

Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. The alternative to a service part is usually a new damper, which is why this catalogue exists. Ask us before ordering if you are unsure: a wrong part in a pressurised unit is an expensive lesson. Order by part number — descriptions repeat across sizes, numbers do not.

Getting the Number Right

Order under 05500-31. Where several sizes share a description, only the number separates them. Öhlins states diameter 16 mm, length 178 mm for this number, and those figures are the deciding ones. The damper shaft carries the piston and passes through the seal head, so its surface finish decides how long the seals last. Öhlins hardens and surface-treats its shafts because a scratch on the running surface takes the seal with it.

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: 05500-31
  • Category: Damper Shafts
  • Diameter: 16 mm
  • Length: 178 mm
  • Country of Origin: Sweden
07 · Support

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