{"product_id":"ohlins-hydraulic-stop-piston-28-2-16-4-4-6-15441-02","title":"Öhlins Hydraulic stop piston 28.2\/16.4\/4.6 – 15441-02","description":"\u003cp\u003eHydraulic stop piston 28.2\/16.4\/4.6, Öhlins part number 15441-02. Öhlins machines its pistons so the port edges stay sharp and the flow predictable.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDimension A 28.2 mm\u003c\/li\u003e\n\u003cli\u003eÖhlins part number 15441-02\u003c\/li\u003e\n\u003cli\u003eDimension B 16.4 mm\u003c\/li\u003e\n\u003cli\u003eDimension C 4.6 mm\u003c\/li\u003e\n\u003cli\u003eOriginal Öhlins service part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFunction\u003c\/h2\u003e\u003cp\u003e28.2 mm, 16.4 mm, 4.6 mm: that is the whole specification, and it has to match what came out. Piston bands are consumables — they wear against the bore and lose their seal gradually. Rebuilding a piston means keeping the shim order, because the stack is the tuning. Valves and needles set the adjustable part of the damping; the piston sets the rest.\u003c\/p\u003e\u003ch2\u003eGenuine Service Part\u003c\/h2\u003e\u003cp\u003eThe part number is the contract: it defines material, dimension and finish together. The part is identical to what Öhlins fits in production — same supplier, same specification. Öhlins parts are unit-specific: a close dimension is not a substitute. Where a number has been superseded, Öhlins states the replacement — we pass that on.\u003c\/p\u003e\u003ch2\u003eGetting the Number Right\u003c\/h2\u003e\u003cp\u003eÖhlins identifies this position by the number 15441-02 in the exploded view for the unit it belongs to. dimension a 28.2 mm, dimension b 16.4 mm, dimension c 4.6 mm is what distinguishes this number from its neighbours in the range. Öhlins machines its pistons rather than sintering them, which is why the port edges stay sharp. Needle geometry sets the shape of the adjustable range, not just its size.\u003c\/p\u003e\u003ch2\u003eFitting and Setup Service\u003c\/h2\u003e\u003cp\u003eA damper rebuild is workshop work: it needs the unit dismantled, the shim stack rebuilt in the correct order and the gas charge reset. We are an authorised Öhlins service centre and do exactly that in house — send us the unit or ask us to fit the part with your order.\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 15441-02\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCategory:\u003c\/em\u003e Pistons\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension A:\u003c\/em\u003e 28.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension B:\u003c\/em\u003e 16.4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDimension C:\u003c\/em\u003e 4.6 mm\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":53652346536202,"sku":"15441-02","price":45.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/15441-02_0011fd5f-a37f-433f-bfa8-2780fe270be8.png?v=1788878837","url":"https:\/\/inter-pace.com\/en-ca\/products\/ohlins-hydraulic-stop-piston-28-2-16-4-4-6-15441-02","provider":"Inter-Pace","version":"1.0","type":"link"}