{"product_id":"volvo-247","title":"Volvo Penta Power Steering Cylinder 21910902 – SX \/ DPS Sterndrive","description":"\u003ch2\u003eVolvo Penta Power Steering Cylinder – Part No. 21910902\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21910902\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta\u003cbr\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 3812269, 3862513, 3862210, 3860883, 3860726, 3850244, 3854878, 3856710, 3856716, 3858128\u003cbr\u003e\n\u003cstrong\u003eReplaced By:\u003c\/strong\u003e Current – 21910902 is the active OEM number\u003c\/p\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis is a genuine Volvo Penta OEM power steering cylinder (actuator\/ram assembly) for SX and DPS sterndrive transom assemblies. It converts hydraulic steering pressure into mechanical movement at the sterndrive, providing precise and controlled steering input at the transom shield.\u003c\/p\u003e\n\n\u003ch2\u003eSystem\u003c\/h2\u003e\n\u003cp\u003eHydraulic Power Steering – Sterndrive Transom Assembly\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta SX-M sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta SX-A sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DPS sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DPS-A sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DPS-B sterndrive\u003c\/li\u003e\n\u003cli\u003eSelected Volvo Penta DP-SM applications\u003c\/li\u003e\n\u003cli\u003eSelected Volvo Penta D3 sterndrive installations\u003c\/li\u003e\n\u003cli\u003eVolvo Penta V6 and V8 gasoline sterndrive packages using a compatible SX\/DPS transom assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment Notice\u003c\/h2\u003e\n\u003cp\u003eVolvo Penta used several steering actuator and transom configurations across SX and DPS generations. Engine model alone is not sufficient to confirm fitment. Always verify the exact drive model, transom shield generation, and steering-system parts diagram before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eSuperseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eThe following earlier Volvo Penta references have been consolidated into 21910902:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3812269\u003c\/li\u003e\n\u003cli\u003e3862513\u003c\/li\u003e\n\u003cli\u003e3862210\u003c\/li\u003e\n\u003cli\u003e3860883\u003c\/li\u003e\n\u003cli\u003e3860726\u003c\/li\u003e\n\u003cli\u003e3850244\u003c\/li\u003e\n\u003cli\u003e3854878\u003c\/li\u003e\n\u003cli\u003e3856710\u003c\/li\u003e\n\u003cli\u003e3856716\u003c\/li\u003e\n\u003cli\u003e3858128\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse \u003cstrong\u003e21910902\u003c\/strong\u003e as the current OEM ordering number.\u003c\/p\u003e\n\n\u003ch2\u003eWhen to Replace\u003c\/h2\u003e\n\u003cp\u003eThis steering cylinder typically requires replacement when you notice hydraulic fluid leakage at the actuator, excessive play or looseness at the steering connection points, corrosion or scoring on the ram, inconsistent or heavy steering response, or abnormal movement in the sterndrive steering linkage.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eDuring replacement, inspect the hydraulic steering lines, fittings, O-rings, mounting points, and related steering hardware for wear or damage. After installation, bleed the hydraulic steering system following the applicable Volvo Penta service procedure and verify smooth, full-range steering movement with no leaks or binding before returning the vessel to service.\u003c\/p\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003eThis steering cylinder is the most common replacement in the SX and DPS sterndrive family when hydraulic steering becomes sloppy or starts leaking at the transom. The most frequent ordering mistake is confusing this part with the DPH or DPR trim and steering cylinder — those are different assemblies. Matching the transom shield generation and drive model (not just the engine) is the key step to getting the right part the first time.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563990253604,"sku":"21910902","price":1703.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_12a80d44-e291-4d89-ba80-35975d24081d.jpg?v=1787351947","url":"https:\/\/marisolmarine.com\/products\/volvo-247","provider":"Marisol Marine Company","version":"1.0","type":"link"}