Öhlins Seal head 43.5Öhlins Seal head 43.5
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21754-03
CategorySeal Heads
Country of OriginSweden
DescriptionThe whole story▼

Seal head 43.5, Öhlins part number 21754-03. Dust seals keep grit off the running surface; once they are torn, the oil seal behind them has a short life.

Key Features

  • Öhlins part number 21754-03
  • Original Öhlins service part

Function

There is no measurement to check here — the number and the exploded view identify it. Head diameter and thread are specific to the tube it closes. Static seals and dynamic seals are not interchangeable even in the same size. Seal heads combine the oil seal, the dust seal and the bushing in one assembly.

Why the Original

Every part in this catalogue is one Öhlins fits itself during assembly and service. Öhlins supports units that are decades old, which is why the spare parts list runs to thousands of numbers. For a full rebuild, the seal kit plus the wear parts is usually the sensible order. Öhlins parts are unit-specific: a close dimension is not a substitute.

Identifying the Right Part

Öhlins identifies this position by the number 21754-03 in the exploded view for the unit it belongs to. Öhlins does not publish a dimension here — go by the number and the exploded view. Seal heads combine the oil seal, the dust seal and the bushing in one assembly. Static seals and dynamic seals are not interchangeable even in the same size.

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: 21754-03
  • Category: Seal Heads
  • Country of Origin: Sweden
07 · Support

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