{"product_id":"338m0204737-mercury-mercruiser-8m0135348-spark-plugs-genuine-quicksilver-oem-part","title":"338M0204737 Mercury MerCruiser 8M0135348 Spark Plugs | Genuine Quicksilver OEM Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver NGK LKAR7C-9 Spark Plug - Part Number: 33-8M0204737\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Quicksilver-supplied NGK LKAR7C-9 spark plug used on new-generation Mercury V6 and V8 FourStroke outboards. This spark plug replaces the earlier 33-8M0135348 reference and is designed for correct ignition performance in modern high-output Mercury outboard engines.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver OEM spark plug\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 33-8M0204737\n\u003c\/p\u003e\n\u003cp\u003e\n • NGK LKAR7C-9 spark plug specification\n\u003c\/p\u003e\n\u003cp\u003e\n • Supersedes earlier 33-8M0135348 spark plug reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on selected Mercury V6, V8, Verado, Pro XS, Racing and high-output FourStroke applications\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 33-8M0204737 → Supersedes 33-8M0135348\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0204737 → Supersedes 8M0135348\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0135348 earlier OEM spark plug reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 33-8M0204737\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0204737\n\u003c\/p\u003e\n\u003cp\u003e\n • 338M0204737\n\u003c\/p\u003e\n\u003cp\u003e\n • 33-8M0135348\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0135348\n\u003c\/p\u003e\n\u003cp\u003e\n • LKAR7C-9\n\u003c\/p\u003e\n\u003cp\u003e\n • NGK LKAR7C-9\n\u003c\/p\u003e\n\u003cp\u003e\n • 93961\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • NGK: LKAR7C-9\n\u003c\/p\u003e\n\u003cp\u003e\n • No additional aftermarket equivalent\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury V6 and V8 FourStroke outboard ignition systems\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 Pro XS FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 SeaPro FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 Pro XS FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 SeaPro FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 3.4L V6 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 Verado FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Pro XS FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 SeaPro FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Verado FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Pro XS FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 SeaPro FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Verado FourStroke - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury Racing 300R V8 FourStroke applications using LKAR7C-9\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury Racing 400R \/ 450R V8 FourStroke applications where 33-8M0204737 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: commonly 175HP - 450HP where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Mercury V6 \/ V8 FourStroke outboard\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Ignition \/ spark plug\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The spark plug ignites the compressed fuel-air mixture in the combustion chamber, supporting clean combustion, reliable starting and smooth engine operation.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Hard starting\n\u003c\/p\u003e\n\u003cp\u003e\n • Misfire under load\n\u003c\/p\u003e\n\u003cp\u003e\n • Rough idle\n\u003c\/p\u003e\n\u003cp\u003e\n • Reduced fuel economy\n\u003c\/p\u003e\n\u003cp\u003e\n • Fouled, worn or incorrectly gapped spark plug electrode\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":53388128387364,"sku":"X000911","price":25.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_20168bbd-6dae-43a5-8437-603494b3f927.jpg?v=1777211577","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/338m0204737-mercury-mercruiser-8m0135348-spark-plugs-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}