{"product_id":"sierra-18-7954-1-4-stroke-outboard-oil-filter-yamaha-200-450-hp","title":"Sierra 18-7954-1 4-Stroke Outboard Oil Filter – Yamaha 200–450 HP","description":"\u003ch2\u003eSierra 18-7954-1 4-Stroke Outboard Oil Filter – Yamaha High-Horsepower\u003c\/h2\u003e\n\u003cp\u003eA heavy-duty spin-on oil filter built for high-horsepower Yamaha 4-stroke outboards, from the V6 and V8 200–350 HP family through the XTO 425 and 450. The 18-7954-1 uses a heavy-wall, epoxy-coated steel canister with high-efficiency filter media and an anti-drain-back valve to protect Yamaha's high-output lubrication systems across the full service interval. It supersedes the earlier Sierra 18-7954.\u003c\/p\u003e\n\n\u003ch2\u003ePart Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 18-7954-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e Sierra 18-7954\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Spin-on 4-stroke outboard oil filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/4\"-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanister:\u003c\/strong\u003e Heavy-wall steel, epoxy-coated for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e High-efficiency filtration media, anti-drain-back valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282388508\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha VF200 \/ F200 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha F225 \/ VF225 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha F250 \/ VF250 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha F300 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha F350 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha XTO 425 4-stroke outboard\u003c\/li\u003e\n\u003cli\u003eYamaha XTO 450 4-stroke outboard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eExact model-year coverage varies. Always confirm your Yamaha model and existing filter number before ordering. The strongest fitment check is matching one of the Yamaha N26-13440 filter numbers below.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra:\u003c\/strong\u003e 18-7954-1 (supersedes 18-7954)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha:\u003c\/strong\u003e N26-13440-00-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha:\u003c\/strong\u003e N26-13440-02-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha:\u003c\/strong\u003e N26-13440-03-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMP:\u003c\/strong\u003e 35-57809\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eReplace at every scheduled oil change per Yamaha's 4-stroke maintenance program — typically every 100 hours or once per season, whichever comes first. Refer to your engine's owner's manual for the model-specific interval.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the old filter and confirm its sealing gasket comes away with it — a stuck gasket causes an immediate oil leak at startup\u003c\/li\u003e\n\u003cli\u003eClean the filter mounting surface thoroughly\u003c\/li\u003e\n\u003cli\u003eLightly lubricate the new filter's gasket with clean engine oil before installing\u003c\/li\u003e\n\u003cli\u003eInstall per Yamaha's service procedure — typically hand-tight plus 3\/4 turn\u003c\/li\u003e\n\u003cli\u003eRun the engine and inspect for leaks before returning to service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7906-2-4-cycle-outboard-oil-filter-yamaha-f150-f250-v6-mercury-mariner-f225\"\u003eSierra 18-7906-2 – Oil Filter for Yamaha F150–F250 V6 \u0026amp; Mercury\/Mariner F225\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-18-7902-4-cycle-outboard-oil-filter-yamaha-f15-f100-4-stroke\"\u003eSierra 18-7902 – Oil Filter for Yamaha F15–F100 4-Stroke\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-9391-yamaha-4-stroke-oil-change-kit\"\u003eSierra 9391 Yamaha 4-Stroke Oil Change Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-9226-complete-oil-change-kit-4-stroke-outboard\"\u003eSierra 9226 Complete Oil Change Kit – 4-Stroke Outboard\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sierra-94203-10w-30-fcw-4-stroke-outboard-oil-1-gal\"\u003eSierra 10W-30 FCW 4-Stroke Outboard Oil – 1 Gal\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOil filter, not fuel filter:\u003c\/strong\u003e The 18-7954-1 is an engine oil filter — it's occasionally confused with fuel filters due to similar sizing. Cross-referencing the Yamaha N26-13440 number is the clearest way to confirm you have the right part before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-HP application:\u003c\/strong\u003e This filter is sized and rated for Yamaha's larger 200–450 HP 4-stroke families, including VMAX SHO V6\/V8 and XTO offshore engines. If your Yamaha is in the 15–100 HP range, the \u003ca href=\"\/products\/sierra-18-7902-4-cycle-outboard-oil-filter-yamaha-f15-f100-4-stroke\"\u003eSierra 18-7902\u003c\/a\u003e or similar smaller-displacement filter is more likely the correct fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMost common install mistake:\u003c\/strong\u003e Leaving the old sealing gasket on the engine block. Always inspect the mounting surface before threading on the new filter — a double-stacked gasket causes an oil leak immediately on startup.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199651676196,"sku":"47-79541","price":36.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/47-79541.jpg?v=1785611181","url":"https:\/\/marisolmarine.com\/products\/sierra-18-7954-1-4-stroke-outboard-oil-filter-yamaha-200-450-hp","provider":"Marisol Marine Company","version":"1.0","type":"link"}