Öhlins Oil lock sleeve 8.5/26/31
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21802-01
CategoryGuides
Dimension A8.5 mm
Dimension B26 mm
Dimension C31 mm
Country of OriginSweden
DescriptionThe whole story▼

Oil lock sleeve 8.5/26/31, Öhlins part number 21802-01. Guides and sleeves set the internal alignment of a cartridge.

Key Features

  • Dimension A 8.5 mm
  • Dimension C 31 mm
  • Öhlins part number 21802-01
  • Dimension B 26 mm
  • Original Öhlins service part

What It Is

At 8.5 mm, 26 mm, 31 mm it fits one position only; the next size up carries a different number. Öhlins uses PTFE-coated bushings for a low breakaway force. A bushing is a consumable and is replaced at rebuild rather than reused. Guides and sleeves set the internal alignment of a cartridge.

Genuine Service Part

An original part keeps the unit within its published specification; a near-equivalent quietly moves it. The part is identical to what Öhlins fits in production — same supplier, same specification. Service parts are supplied per piece unless the description says otherwise. Order by part number — descriptions repeat across sizes, numbers do not.

Getting the Number Right

The reliable route is the exploded drawing: find the position, read the number, order it — 21802-01 in this case. dimension a 8.5 mm, dimension b 26 mm, dimension c 31 mm is what distinguishes this number from its neighbours in the range. Both diameters and the length are specification, not approximation. A worn bushing lets the shaft move off centre, and the seal is the next thing to fail.

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: 21802-01
  • Category: Guides
  • Dimension A: 8.5 mm
  • Dimension B: 26 mm
  • Dimension C: 31 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

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