Öhlins Cylinder head TTX36Öhlins Cylinder head TTX36
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21892-01
CategoryCylinder Heads
Country of OriginSweden
DescriptionThe whole story▼

Cylinder head TTX36, Öhlins part number 21892-01. Öhlins machines the head so the bushing bore is concentric with the seal — otherwise the shaft wears one side.

Key Features

  • Öhlins part number 21892-01
  • Original Öhlins service part

What It Is

Öhlins publishes no separate dimension for this position, so the part number carries the identity. The tube is what the whole damper is built around: everything else references its bore. Öhlins hones its tubes to a defined surface finish rather than simply to a diameter. Öhlins machines the head so the bushing bore is concentric with the seal — otherwise the shaft wears one side.

Original Öhlins Part

Öhlins supports units that are decades old, which is why the spare parts list runs to thousands of numbers. Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. Öhlins parts are unit-specific: a close dimension is not a substitute. Where a number has been superseded, Öhlins states the replacement — we pass that on.

Getting the Number Right

Order under 21892-01. Where several sizes share a description, only the number separates them. Where no measurement is given, the drawing position is what identifies the part. A head that has been over-tightened distorts and stops sealing. A scored bore means lost damping, because the oil bypasses the piston rather than being forced through the shims.

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: 21892-01
  • Category: Cylinder Heads
  • Country of Origin: Sweden
07 · Support

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