Öhlins O-ring 47x1.6The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00438-17 |
| Category | O-Rings |
| Inner Diameter | 47 mm |
| Cross Section | 1.6 mm |
| Material | NBR 70 |
| Country of Origin | Sweden |
DescriptionThe whole story▼
O-ring 47x1.6, Öhlins part number 00438-17. An oil seal that has hardened lets the shaft pass oil past it, and the damping fades long before the leak becomes visible.
Key Features
- Material NBR 70
- Öhlins part number 00438-17
- Cross Section 1.6 mm
- Original Öhlins service part
- Inner Diameter 47 mm
What It Is
The published figures are 47 mm, 1.6 mm, NBR 70. Measure the old part against them before ordering. O-ring sizes are given as inner diameter and cross-section, and both have to match — a close size is not a match. A seal that has taken a set no longer springs back and starts to weep. O-rings are single-use in a pressurised damper — they are replaced whenever the unit is opened.
Original Öhlins Part
Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. Send us the model and serial number of your unit and we will confirm the position before you order. We can supply the whole position from the drawing rather than the single piece if that is easier.
Getting the Number Right
Part number 00438-17 is unambiguous; the description alone is not, because Öhlins uses similar wording across sizes. Öhlins states inner diameter 47 mm, cross section 1.6 mm, material NBR 70 for this number, and those figures are the deciding ones. 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. Replacing seals at service intervals is far cheaper than replacing what a failed seal damages.
Fitting and Setup Service
Fitting service parts means opening a pressurised unit. As an authorised Öhlins service centre we do that here, with the right tools and a dyno check afterwards — just ask.
Specifications
- Brand: Öhlins
- Part Number: 00438-17
- Category: O-Rings
- Inner Diameter: 47 mm
- Cross Section: 1.6 mm
- Material: NBR 70
- Country of Origin: Sweden
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