Öhlins O-ring 32x2The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00438-78 |
| Category | O-Rings |
| Inner Diameter | 32 mm |
| Cross Section | 2 mm |
| Material | NBR 70 |
| Country of Origin | Sweden |
DescriptionThe whole story▼
O-ring 32x2, Öhlins part number 00438-78. Seals harden with heat and age even when the machine has not been ridden much.
Key Features
- Cross Section 2 mm
- Original Öhlins service part
- Material NBR 70
- Öhlins part number 00438-78
- Inner Diameter 32 mm
Where It Sits
00438-78 is the 32 mm, 2 mm, NBR 70 version — Öhlins lists each size separately. Seals harden with heat and age even when the machine has not been ridden much. Assembly grease matters — the wrong compound swells the seal and it fails early. O-ring sizes are given as inner diameter and cross-section, and both have to match — a close size is not a match.
Genuine Service Part
Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Öhlins manufactures service parts on the same lines as production parts — there is no second quality. If you are unsure which number your unit takes, send us the model and serial number of the damper and we will look it up. Service parts are supplied per piece unless the description says otherwise.
Identifying the Right Part
The reliable route is the exploded drawing: find the position, read the number, order it — 00438-78 in this case. inner diameter 32 mm, cross section 2 mm, material NBR 70 is what distinguishes this number from its neighbours in the range. The groove does half the work: the ring only seals if the groove is clean and undamaged. A ring that has taken a set no longer springs back and starts to weep under pressure.
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: 00438-78
- Category: O-Rings
- Inner Diameter: 32 mm
- Cross Section: 2 mm
- Material: NBR 70
- Country of Origin: Sweden
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