Öhlins Cylinder head S46The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21943-01 |
| Category | Cylinder Heads |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Cylinder head S46, Öhlins part number 21943-01. Corrosion inside a tube is terminal: it cannot be honed out without changing the clearance.
Key Features
- Öhlins part number 21943-01
- Original Öhlins service part
What It Is
There is no measurement to check here — the number and the exploded view identify it. Most seal kits are built around a specific head design. Tubes are replaced when the bore is marked; polishing them out changes the clearance and makes it worse. Öhlins turns and hones each tube to a defined roundness, because an out-of-round bore leaks past the piston.
Genuine Service Part
Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Parts remain available years after a unit leaves the current price list, which is unusual in this trade. Ask us before ordering if you are unsure: a wrong part in a pressurised unit is an expensive lesson. The Öhlins exploded view names the number for each position; we can look it up if you do not have it.
Identifying the Right Part
If the unit is already open, compare the dimensions below with the part in your hand before ordering 21943-01. This position has no published dimension, so the part number is the only reliable identifier. Most seal kits are built around a specific head design. Length here is the working length, not the overall dimension, which is why two similar tubes are not interchangeable.
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: 21943-01
- Category: Cylinder Heads
- Country of Origin: Sweden
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