{"product_id":"ohlins-o-ring-52x1-5-nbr70-00438-25","title":"Öhlins O-ring 52x1.5 NBR70 – 00438-25","description":"\u003cp\u003eO-ring 52x1.5 NBR70, Öhlins part number 00438-25. The groove does half the work: the ring only seals if the groove is clean and undamaged.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCross Section 1.5 mm\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 00438-25\u003c\/li\u003e\n\u003cli\u003eMaterial NBR 70\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003cli\u003eInner Diameter 52 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere It Sits\u003c\/h2\u003e\u003cp\u003e00438-25 is the 52 mm, 1.5 mm, NBR 70 version — Öhlins lists each size separately. Size is given as inner diameter and cross-section; a close size is not a match. Cross-section is as important as diameter: an O-ring that is too thin will not seal at pressure. An oil seal that has hardened lets the shaft pass oil past it, and the damping fades long before the leak becomes visible.\u003c\/p\u003e\u003ch2\u003eGenuine Service Part\u003c\/h2\u003e\u003cp\u003eÖhlins supports units that are decades old, which is why the spare parts list runs to thousands of numbers. Rebuilding to specification only works if the parts are to specification — that starts here. For a full rebuild, the seal kit plus the wear parts is usually the sensible order. Where a number has been superseded, Öhlins states the replacement — we pass that on.\u003c\/p\u003e\u003ch2\u003eIdentifying the Right Part\u003c\/h2\u003e\u003cp\u003eÖhlins identifies this position by the number 00438-25 in the exploded view for the unit it belongs to. Check inner diameter 52 mm, cross section 1.5 mm, material NBR 70 against what you have removed; a close size is not the same part. O-rings are single-use in a pressurised damper — they are replaced whenever the unit is opened. Cross-section is as important as diameter: an O-ring that is too thin will not seal at pressure.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eWe are an authorised Öhlins service centre, so you do not have to source the tools and the nitrogen: send us the damper and we rebuild it with the correct parts and the correct setting.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eBrand:\u003c\/em\u003e Öhlins\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePart Number:\u003c\/em\u003e 00438-25\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e O-Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eInner Diameter:\u003c\/em\u003e 52 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCross Section:\u003c\/em\u003e 1.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eMaterial:\u003c\/em\u003e NBR 70\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCountry of Origin:\u003c\/em\u003e Sweden\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Öhlins","offers":[{"title":"Default Title","offer_id":53646899773706,"sku":"00438-25","price":1.21,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/00438-25_faa1de1a-221c-4053-aaad-9f6c25106e42.png?v=1788869387","url":"https:\/\/inter-pace.com\/en-es\/products\/ohlins-o-ring-52x1-5-nbr70-00438-25","provider":"Inter-Pace","version":"1.0","type":"link"}