Öhlins Seal head, upper, black, complete
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number25057-35
CategorySeal Heads
FinishBlack
Country of OriginSweden
DescriptionThe whole story▼

Seal head, upper, black, complete, Öhlins part number 25057-35. Öhlins specifies seal compounds for temperature stability rather than for the lowest unit cost.

Key Features

  • Original Öhlins service part
  • Finish: black
  • Öhlins part number 25057-35

Function

Öhlins publishes no separate dimension for this position, so the part number carries the identity. Öhlins uses seals with a spring-loaded lip so they follow the shaft as it wears. O-ring sizes are given as inner diameter and cross-section, and both have to match — a close size is not a match. Replacing seals at service intervals is far cheaper than replacing what a failed seal damages.

Genuine Service Part

Parts remain available years after a unit leaves the current price list, which is unusual in this trade. Öhlins lists this part under its own number in the service catalogue so a workshop can order exactly what it needs. Order by part number. The dimensions below are the ones Öhlins publishes for it. The exploded drawing for your unit names the number; if you do not have it, we do.

Getting the Number Right

Order under 25057-35. Where several sizes share a description, only the number separates them. Öhlins does not publish a dimension here — go by the number and the exploded view. Dust seals keep grit off the running surface; once they are torn, the oil seal behind them has a short life. A weeping damper almost always starts here.

Fitting and Setup Service

We are an authorised Öhlins service centre, so you do not have to source the tools and the nitrogen: send us the damper and we rebuild it with the correct parts and the correct setting.

Specifications

  • Brand: Öhlins
  • Part Number: 25057-35
  • Category: Seal Heads
  • Finish: Black
  • Country of Origin: Sweden
07 · Support

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