{"product_id":"volvo-penta-fuel-filter-21718912","title":"Volvo Penta Fuel Filter 21718912 | OEM D4\/D6 Diesel Water-Separating Filter","description":"\u003ch2\u003eVolvo Penta OEM Fuel Filter — D4 \/ D6 Diesel Water-Separating Filter\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21718912  |  \u003cstrong\u003eSKU:\u003c\/strong\u003e 21718912\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta  |  \u003cstrong\u003eProduct Type:\u003c\/strong\u003e Diesel Fuel Filter \/ Water-Separating Filter (Spin-On)\u003cbr\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Fuel Delivery\u003cbr\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 3583443\u003cbr\u003e\n\u003cstrong\u003eReplaced By (G-series engines, MY2020+):\u003c\/strong\u003e 23954708\u003c\/p\u003e\n\n\u003cp\u003eThe genuine Volvo Penta OEM spin-on fuel filter for D4 and D6 marine diesel engines (A–F generation, through model year 2019). This water-separating filter removes water, dirt, and fuel contaminants before they reach the high-pressure injection system — protecting injectors and fuel pumps from contamination damage. Features a threaded port for the EVC water-in-fuel sensor, maintaining full compatibility with Volvo Penta's electronic monitoring system.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM fuel filter — factory fit and filtration specification\u003c\/li\u003e\n\u003cli\u003eWater-separating design removes water, dirt, and contaminants from diesel fuel\u003c\/li\u003e\n\u003cli\u003eSpin-on design for easy replacement during routine service\u003c\/li\u003e\n\u003cli\u003eThreaded port for EVC water-in-fuel sensor — sensor is reusable and must be transferred at service\u003c\/li\u003e\n\u003cli\u003eCorrect filter for D4 and D6 A–F generation engines (through MY2019)\u003c\/li\u003e\n\u003cli\u003eSupersedes earlier Volvo Penta part number 3583443\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚠ Generation Fitment Notice — Read Before Ordering\u003c\/h3\u003e\n\u003cp\u003eThis filter (21718912) fits \u003cstrong\u003eD4\/D6 A–F generation engines through model year 2019 only.\u003c\/strong\u003e Volvo Penta changed the fuel filter arrangement with the G-generation engines. If your engine is a \u003cstrong\u003eMY2020 or newer D4 or D6\u003c\/strong\u003e, the correct fuel filter is \u003cstrong\u003e23954708\u003c\/strong\u003e — not this part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlways confirm your engine designation and serial number before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta D4-180\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-210\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-225\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-260\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-320 and related D4 A–F variants\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-280\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-300\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-310\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-330\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-350\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-370\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-380\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-400\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D6-435 and related D6 A–F variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplies to D4\/D6 A–F generation engines, model years through 2019. Confirm fitment using engine designation and serial number. G-generation (MY2020+) engines require a different filter.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross-Reference \/ Superseded Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Volvo Penta OEM:\u003c\/strong\u003e 21718912\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevious Volvo Penta (superseded):\u003c\/strong\u003e 3583443\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra equivalent:\u003c\/strong\u003e 18-8125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecmar reference:\u003c\/strong\u003e REC3583443\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 704715455390\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace at every scheduled engine service — typically every \u003cstrong\u003e100 operating hours or annually\u003c\/strong\u003e, whichever comes first. Replace sooner if the water-in-fuel warning activates, fuel contamination is suspected, or you notice difficult starting or reduced power. Refer to your Volvo Penta engine operator's manual for the interval specific to your engine model and serial range.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransfer the water-in-fuel sensor from the old filter to the new one before installation — the sensor is reusable\u003c\/li\u003e\n\u003cli\u003eInspect the sensor O-ring and replace if worn\u003c\/li\u003e\n\u003cli\u003eApply a thin film of clean diesel fuel to the filter gasket before installing\u003c\/li\u003e\n\u003cli\u003eHand-tighten only — do not over-torque\u003c\/li\u003e\n\u003cli\u003ePrime and bleed the fuel system after installation per the applicable Volvo Penta service procedure\u003c\/li\u003e\n\u003cli\u003eCheck for fuel leaks after the first start\u003c\/li\u003e\n\u003cli\u003eDispose of used filter and collected water\/fuel according to local environmental regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace the water-in-fuel sensor when I change the filter?\u003c\/strong\u003e\u003cbr\u003eA: No — the sensor is reusable. Remove it from the old filter and install it in the new one. Inspect the O-ring and replace if worn.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My engine currently uses part 3583443. Is 21718912 the correct replacement?\u003c\/strong\u003e\u003cbr\u003eA: Yes — 21718912 is the current Volvo Penta OEM part that supersedes 3583443.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: I have a MY2020 or newer D4\/D6. Can I use this filter?\u003c\/strong\u003e\u003cbr\u003eA: No — G-generation engines (MY2020+) require a different fuel filter (23954708). Confirm your engine generation before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My EVC is showing a water-in-fuel warning. What should I do?\u003c\/strong\u003e\u003cbr\u003eA: Replace this filter and drain any accumulated water from the filter housing. If the warning persists after replacement, inspect the fuel tank and supply lines for contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I prime the fuel system after replacing the filter?\u003c\/strong\u003e\u003cbr\u003eA: Use the manual priming pump (if equipped) or follow the bleeding procedure in your Volvo Penta service manual for your specific engine variant.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-water-in-fuel-sensor-3808616-d3-d4-d6-diesel\"\u003eVolvo Penta Water-in-Fuel Sensor 3808616 — D3 \/ D4 \/ D6 Diesel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-air-filter-insert-21702999\"\u003eVolvo Penta Air Filter Insert 21702999 — D4 \/ D6 \/ D9 \/ D11\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-225\"\u003eVolvo Penta Oil Filter 21707132\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/volvo-penta-fuel-system-parts\"\u003eBrowse Volvo Penta Fuel System Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/volvo-penta-engine-maintenance-parts\"\u003eBrowse Volvo Penta Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e Standard annual maintenance item for Volvo Penta D4 and D6 diesel owners. Most commonly ordered as part of a 100-hour or seasonal service alongside an oil filter and air filter. The water-separating function is especially valuable for vessels that sit between uses or operate in areas with variable fuel quality — water in diesel is one of the leading causes of injector damage on these engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Issues:\u003c\/strong\u003e The most frequent mistake is ordering this filter for G-generation (MY2020+) D4\/D6 engines — double-check the engine generation before ordering. Customers also commonly forget to transfer the water-in-fuel sensor from the old filter; the sensor is not included and must be reused. If an EVC water-in-fuel alarm is active, replace the filter, drain accumulated water, and inspect upstream fuel supply before clearing the alarm.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989401636,"sku":"21718912","price":81.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/da5b18ef-5b37-4626-a182-3a89189a2e1b.png?v=1773087247","url":"https:\/\/marisolmarine.com\/products\/volvo-penta-fuel-filter-21718912","provider":"Marisol Marine Company","version":"1.0","type":"link"}