Öhlins O-ring 19x2 NBR 70Öhlins O-ring 19x2 NBR 70
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00438-12
CategoryO-Rings
Inner Diameter19 mm
Cross Section2 mm
MaterialNBR 70
Country of OriginSweden
DescriptionThe whole story▼

O-ring 19x2 NBR 70, Öhlins part number 00438-12. Seals are the part of a damper that decides whether it holds its gas charge and its oil, and they are the usual reason a unit ends up on the bench.

Key Features

  • Öhlins part number 00438-12
  • Original Öhlins service part
  • Inner Diameter 19 mm
  • Material NBR 70
  • Cross Section 2 mm

Function

This one measures 19 mm, 2 mm, NBR 70, and those figures are what separate it from the neighbouring numbers. Öhlins specifies the compound by position: NBR where oil is the concern, FKM where heat is. The dust seal does the hard work: it keeps the grit that would score the shaft away from the oil seal. Seals harden with heat and age even when the machine has not been ridden much.

Genuine Service Part

The part is identical to what Öhlins fits in production — same supplier, same specification. A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts. If you are between two sizes, send us the measurement and we will check it against the catalogue. If you are unsure which number your unit takes, send us the model and serial number of the damper and we will look it up.

Identifying the Right Part

Part number 00438-12 is unambiguous; the description alone is not, because Öhlins uses similar wording across sizes. The published dimensions are inner diameter 19 mm, cross section 2 mm, material NBR 70 — measure the old part against them if you are unsure. O-rings are single-use in a pressurised damper — they are replaced whenever the unit is opened. Seals harden with heat and age even when the machine has not been ridden much.

Fitting and Setup Service

Ask us about a full service: as an authorised Öhlins centre we strip, inspect, replace what is worn and set the unit back to its specification.

Specifications

  • Brand: Öhlins
  • Part Number: 00438-12
  • Category: O-Rings
  • Inner Diameter: 19 mm
  • Cross Section: 2 mm
  • Material: NBR 70
  • Country of Origin: Sweden
07 · Support

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