The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 10030-04 |
| Category | Cylinder Tubes |
| Diameter | 46 mm |
| Length | 55 mm |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Cylinder tube 46/55/351, Öhlins part number 10030-04. Diameter and length together identify the tube — both are specific to the damper it came from.
Key Features
- Original Öhlins service part
- Diameter 46 mm
- Öhlins part number 10030-04
- Length 55 mm
Where It Sits
10030-04 is the 46 mm, 55 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. The tube also carries the end cap threads, so thread damage means a new tube. A scored bore means lost damping, because the oil bypasses the piston rather than being forced through the shims.
Original Öhlins Part
This is an original Öhlins part, not an aftermarket equivalent — the tolerances are the ones the unit was assembled to. Suspension is one of the few areas where the original part is genuinely the cheaper decision. Order by part number — descriptions repeat across sizes, numbers do not. Öhlins parts are unit-specific: a close dimension is not a substitute.
Identifying the Right Part
Öhlins identifies this position by the number 10030-04 in the exploded view for the unit it belongs to. Öhlins states diameter 46 mm, length 55 mm for this number, and those figures are the deciding ones. The cylinder tube is the working bore: the piston runs inside it and every damping force is reacted by its wall. Diameter and length together identify the tube — both are specific to the damper it came from.
Fitting and Setup Service
A damper rebuild is workshop work: it needs the unit dismantled, the shim stack rebuilt in the correct order and the gas charge reset. We are an authorised Öhlins service centre and do exactly that in house — send us the unit or ask us to fit the part with your order.
Specifications
- Brand: Öhlins
- Part Number: 10030-04
- Category: Cylinder Tubes
- Diameter: 46 mm
- Length: 55 mm
- Country of Origin: Sweden
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