Öhlins Cylinder head 46/25.4 groove
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number10033-01
CategoryCylinder Heads
Diameter46 mm
Length25.4 mm
Country of OriginSweden
DescriptionThe whole story▼

Cylinder head 46/25.4 groove, Öhlins part number 10033-01. The tube is what the whole damper is built around: everything else references its bore.

Key Features

  • Diameter 46 mm
  • Length 25.4 mm
  • Original Öhlins service part
  • Öhlins part number 10033-01

Where It Sits

10033-01 is the 46 mm, 25.4 mm version — Öhlins lists each size separately. A tube that has been bottomed hard often shows a ring mark; that is a reason to replace it. Head and tube are matched by thread and diameter; neither is interchangeable across units. Reservoir tubes carry the gas charge and are built to the same standard as the working cylinder.

Original Öhlins Part

The tolerances here are the ones the unit was assembled to, not a pattern equivalent's interpretation of them. Öhlins supports units that are decades old, which is why the spare parts list runs to thousands of numbers. Öhlins parts are unit-specific: a close dimension is not a substitute. Service parts are ordered per piece unless stated otherwise.

Identifying the Right Part

Order under 10033-01. Where several sizes share a description, only the number separates them. Check diameter 46 mm, length 25.4 mm against what you have removed; a close size is not the same part. Öhlins turns and hones each tube to a defined roundness, because an out-of-round bore leaks past the piston. Head and tube are matched by thread and diameter; neither is interchangeable across units.

Fitting and Setup Service

Öhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.

Specifications

  • Brand: Öhlins
  • Part Number: 10033-01
  • Category: Cylinder Heads
  • Diameter: 46 mm
  • Length: 25.4 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

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