Öhlins O-ring 17.17x1.78The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00576-39 |
| Category | O-Rings |
| Inner Diameter | 17.17 mm |
| Cross Section | 1.78 mm |
| Material | NBR 70 |
| Country of Origin | Sweden |
DescriptionThe whole story▼
O-ring 17.17x1.78, Öhlins part number 00576-39. Seal kits gather the pieces one rebuild needs, which avoids a second order mid-job.
Key Features
- Material NBR 70
- Öhlins part number 00576-39
- Inner Diameter 17.17 mm
- Original Öhlins service part
- Cross Section 1.78 mm
Function
Dimensionally this is 17.17 mm, 1.78 mm, NBR 70, which is how it is told apart from the rest of the range. An oil seal that has hardened lets the shaft pass oil past it, and the damping fades long before the leak becomes visible. Seals harden with heat and age even when the machine has not been ridden much. Seal kits gather the pieces one rebuild needs, which avoids a second order mid-job.
Why the Original
The alternative to a service part is usually a new damper, which is why this catalogue exists. The part is identical to what Öhlins fits in production — same supplier, same specification. Öhlins numbers do not follow a logic you can guess — always read them from the documentation. Öhlins parts are unit-specific: a close dimension is not a substitute.
Getting the Number Right
00576-39 is the Öhlins number for this position — the same one printed in the service documentation. The published dimensions are inner diameter 17.17 mm, cross section 1.78 mm, material NBR 70 — measure the old part against them if you are unsure. 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. Size is given as inner diameter and cross-section; a close size is not a match.
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: 00576-39
- Category: O-Rings
- Inner Diameter: 17.17 mm
- Cross Section: 1.78 mm
- Material: NBR 70
- Country of Origin: Sweden
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