Öhlins Piston solid 36The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21015-02 |
| Category | Pistons |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Piston solid 36, Öhlins part number 21015-02. The piston carries the shim stacks and meters the oil through its ports.
Key Features
- Original Öhlins service part
- Öhlins part number 21015-02
Where It Sits
Öhlins publishes no separate dimension for this position, so the part number carries the identity. A check valve holds pressure in one direction and opens in the other; a worn one lets damping bleed away. Twin-tube pistons have separate paths for compression and rebound, which is the whole point of the design. Öhlins uses a piston band rather than metal-to-metal contact, which is what keeps the bore intact.
Original Öhlins Part
Rebuilding to specification only works if the parts are to specification — that starts here. Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. The Öhlins exploded view names the number for each position; we can look it up if you do not have it. The exploded drawing for your unit names the number; if you do not have it, we do.
Identifying the Right Part
If the unit is already open, compare the dimensions below with the part in your hand before ordering 21015-02. Öhlins does not publish a dimension here — go by the number and the exploded view. A worn piston band lets oil past the outside of the piston, which shows up as damping that has gone soft. Replacing a piston is a workshop job because the shim stack has to be rebuilt in the correct order.
Fitting and Setup Service
If you would rather not open the damper yourself, we can do it — we are an authorised Öhlins service centre and rebuild these units as a matter of routine.
Specifications
- Brand: Öhlins
- Part Number: 21015-02
- Category: Pistons
- Country of Origin: Sweden
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