Öhlins Seal head 41.5The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21670-03 |
| Category | Seal Heads |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Dichtkopf 41.5, Öhlins Artikelnummer 21670-03. Beim Ausbau wird er nicht geschlagen, sondern gezogen — sonst verzieht sich die Bohrung.
Wichtigste Merkmale
- Original Öhlins Serviceteil
- Öhlins Artikelnummer 21670-03
Was es ist
Öhlins veröffentlicht für diese Position keine Maßangabe; die Nummer ist die Zuordnung. Zwischen Dichtung und Führung sitzt oft ein Stützring gegen Spaltextrusion. Undichtigkeit zeigt sich zuerst als Ölfilm auf der Welle, dann als Tropfen. Werkstoffe wie NBR und FKM unterscheiden sich in der Temperaturbeständigkeit deutlich.
Original-Öhlins-Teil
Öhlins hält seine Fahrwerke über Einzelteile am Leben; deshalb lässt sich ein fünfzehn Jahre altes Federbein noch überholen statt ersetzen. Die Ersatzteilliste folgt der Explosionszeichnung; jede Position hat ihre eigene Nummer, auch wenn zwei Teile gleich aussehen. Bei mehreren gleich beschriebenen Größen entscheidet allein die Nummer, welche gemeint ist. Wir liefern das Teil so, wie Öhlins es führt — ohne Umverpackung, ohne Zwischenhandel.
Der Werkstoff ist auf die Öltemperatur abgestimmt, die im Betrieb entsteht. Eine korrekt bestückte Überholung stellt das Ansprechverhalten wieder her, das ein müder Dämpfer verloren hat. Passt die Nummer nicht zu Ihrer Einheit, melden wir uns vor dem Versand. Die Einheit ist nur so gut wie ihre kleinste Passung; deshalb lohnt sich das Originalteil auch an unscheinbarer Stelle.
Die richtige Nummer finden
21670-03 ist die Öhlins-Nummer für diese Position — dieselbe, die auch in den Serviceunterlagen steht. Beim Lagern altern Dichtungen; Öhlins gibt deshalb Chargen mit Datum aus. O-Ringe werden über den Innendurchmesser und die Schnurstärke bestimmt, nicht über den Außendurchmesser.
Einbau und Abstimmung
Wir raten dazu, die Einheit von einem autorisierten Öhlins-Service-Center öffnen zu lassen. Wir sind eines und bieten Überholung, Einbau und Abstimmung aus einer Hand an.
Technische Daten
- Marke: Öhlins
- Artikelnummer: 21670-03
- Kategorie: Dichtköpfe
- Herkunftsland: Schweden
Questions, one topic at a time.
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We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.
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Register your return by email with your order number before sending anything back, and we’ll send you the return instructions. Please note: returns that aren’t registered in advance can’t be accepted.
The quickest way is to place a new order for the size you need and register a return for the original by email — just let us know it’s an exchange.
We’re sorry — that shouldn’t happen. Contact us with your order number and a photo as soon as you can, and we’ll arrange a replacement or refund right away. Faulty goods are always covered by your statutory warranty.
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Yes. We’re an authorised dealer, so every product is 100% original and comes with the full manufacturer warranty.
Yes. Everything we sell is genuine and comes with the manufacturer’s warranty, on top of your statutory rights. Keep your invoice as proof of purchase and contact us if you ever need to make a claim — we’ll help you through it.
Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.