{"product_id":"fairview-147","title":"NGK V-Power Spark Plug - LFR5A-11","description":"\u003cp\u003eThe \u003cstrong\u003eNGK LFR5A-11\u003c\/strong\u003e is a V-Power nickel spark plug used in select marine four-stroke outboards, personal watercraft, small engines, and automotive applications where the engine manufacturer specifies this exact plug number. NGK stock number \u003cstrong\u003e6376\u003c\/strong\u003e features a long-reach 14 mm shell, projected-style firing end, and factory-set \u003cstrong\u003e1.1 mm \/ 0.044 in.\u003c\/strong\u003e gap as indicated by the \u003cstrong\u003e\"-11\"\u003c\/strong\u003e suffix.\u003c\/p\u003e\n\u003cp\u003eThis plug should be installed only where the engine service manual, ignition label, or parts chart specifically calls for \u003cstrong\u003eNGK LFR5A-11 \/ 6376\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine NGK V-Power spark plug.\u003c\/li\u003e\n\u003cli\u003eNGK part number: \u003cstrong\u003eLFR5A-11\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNGK stock number: \u003cstrong\u003e6376\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eV-groove center electrode design to help position the spark at the electrode edge.\u003c\/li\u003e\n\u003cli\u003eNickel-alloy firing-end construction for standard service applications.\u003c\/li\u003e\n\u003cli\u003eThread size: \u003cstrong\u003e14 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThread reach: \u003cstrong\u003e26.5 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHex size: \u003cstrong\u003e5\/8 in. \/ 16 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHeat range: \u003cstrong\u003e5\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFactory preset gap: \u003cstrong\u003e0.044 in. \/ 1.1 mm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCommonly used in select Yamaha and Mercury four-stroke outboard applications where specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCommon marine application context includes select four-stroke outboards where the factory service chart calls for \u003cstrong\u003eNGK LFR5A-11\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003eYamaha FourStroke\u003c\/strong\u003e outboards where specified\u003c\/li\u003e\n\u003cli\u003eSelect Yamaha \u003cstrong\u003eF75 \/ F90 \/ F115 \/ F150\u003c\/strong\u003e application groups where the service chart calls for this plug\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eMercury FourStroke\u003c\/strong\u003e outboards where specified\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003e75 HP through 150 HP four-stroke\u003c\/strong\u003e marine applications where the factory plug chart calls for \u003cstrong\u003eLFR5A-11\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelect automotive and powersport applications that specify NGK \u003cstrong\u003eLFR5A-11 \/ 6376\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse this spark plug only where the engine manufacturer's plug chart specifically lists \u003cstrong\u003eLFR5A-11\u003c\/strong\u003e or an approved equivalent.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm fitment by engine model, model year, serial number, service manual, and factory spark plug chart before ordering. Spark plugs with the same thread size can still differ in reach, heat range, projected tip design, electrode style, resistor specification, and required gap. Installing the wrong plug can cause misfire, hard starting, poor idle, piston contact, thread damage, overheating, or ignition-system issues.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace spark plugs during scheduled tune-up service or whenever plugs are fouled, worn, fuel-soaked, oil-contaminated, damaged, corroded, or causing hard starting, rough idle, hesitation, misfire, poor acceleration, or reduced top-end performance. Marine engines that idle frequently, troll for long periods, or operate in humid\/salt environments may require more frequent inspection.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCheck the plug number against the engine service chart before installation. Inspect the plug gap and adjust only if the engine manufacturer requires a different setting. Install into clean, undamaged cylinder head threads and tighten to the engine manufacturer's torque specification. Avoid over-tightening in aluminum cylinder heads. Apply anti-seize only if the engine or spark plug manufacturer's service procedure calls for it, as added lubricant can change torque loading.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK LFR5A-11\u003c\/strong\u003e — plug part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK 6376\u003c\/strong\u003e — stock number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLFR5A11\u003c\/strong\u003e — alternate catalog formatting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLFR5A-11 V-Power\u003c\/strong\u003e — product style reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSpark plug fitment should always be matched by the exact plug number and engine service chart, not just by horsepower or thread size. The \u003cstrong\u003eLFR5A-11\u003c\/strong\u003e is a long-reach plug with a specific heat range and factory gap, so it should not be substituted with a similar-looking 14 mm plug unless the manufacturer's chart confirms the replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563799183396,"sku":"LFR5A11","price":16.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/e6c1d67b-3683-4b41-a4ac-bb0e5f867481.png?v=1781195948","url":"https:\/\/marisolmarine.com\/products\/fairview-147","provider":"Marisol Marine Company","version":"1.0","type":"link"}