{"product_id":"318m0146553-mercury-mercruiser-bearing-genuine-quicksilver-oem-part","title":"318M0146553 Mercury MerCruiser Bearing | 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 Bearing Assembly Cup\/Cone - Part Number: 31-8M0146553\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Quicksilver cup and cone bearing assembly used in selected Mercury V6, V8, V10, Verado, Pro XS, SeaPro and Racing outboard gear housing driveshaft assemblies. This bearing supports driveshaft rotation and gearcase loading in 4.80 Torpedo, 5.44 Torpedo, Torque Master and Sport Master gearcase applications where specified.\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 bearing assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 31-8M0146553\n\u003c\/p\u003e\n\u003cp\u003e\n • Cup \/ cone bearing assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Supersedes earlier 31-48939A2 bearing reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Used in selected Mercury V6 \/ V8 \/ V10 high-output outboard gear housings\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 • 31-8M0146553 → Supersedes 31-48939A2\n\u003c\/p\u003e\n\u003cp\u003e\n • 31-48939A2 earlier OEM bearing assembly 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 • 31-8M0146553\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0146553\n\u003c\/p\u003e\n\u003cp\u003e\n • 318M0146553\n\u003c\/p\u003e\n\u003cp\u003e\n • 31-48939A2\n\u003c\/p\u003e\n\u003cp\u003e\n • 48939A2\n\u003c\/p\u003e\n\u003cp\u003e\n • 31-8M0146566 related bearing assembly\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0142873 related bearing reference\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 • No direct aftermarket equivalent preferred over OEM for Mercury high-output gearcase service\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 \/ V8 \/ V10 gear housing driveshaft bearing applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury Racing Torque Master, Sport Master and 5.44 Torpedo gear housings\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 \/ gearcase models:\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 175HP 3.4L V6 Pro XS FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 SeaPro FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 3.4L V6 SeaPro FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 3.4L V6 FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 3.4L V6 FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 4.6L V8 Pro XS FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 4.6L V8 Pro XS FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200HP 4.6L V8 Pro XS FourStroke, Torque Master gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 Pro XS FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 Pro XS FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 Pro XS FourStroke, Torque Master gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 225HP 4.6L V8 SeaPro FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Pro XS FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Pro XS FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Pro XS FourStroke, Torque Master gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 SeaPro FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250HP 4.6L V8 Verado FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250R 4.6L V8 Racing, 5.44 Torpedo gear housing - serial 1E080500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 250R 4.6L V8 Racing, Torque Master gear housing - serial 1E080500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Pro XS FourStroke, 4.80 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Pro XS FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 SeaPro FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Verado FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300HP 4.6L V8 Verado SeaPro FourStroke, 5.44 Torpedo gear housing - serial 2B529482 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300R 4.6L V8 Racing, 5.44 Torpedo gear housing - serial 1E080500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300R 4.6L V8 Racing, Torque Master gear housing - serial 1E080500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 300R 4.6L V8 AMS Racing, 5.44 Torpedo \/ 1.60 applications - serial 1E081459 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 400R 5.7L V10 Verado Racing, 5.44 Torpedo \/ 1.60 applications - serial 3B272954 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 450R 4.6L V8 Racing, 5.44 Torpedo \/ 1.60 applications - serial 1E083006 and up\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: commonly 175HP - 450R where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: Mercury V6 \/ V8 \/ V10 FourStroke, Verado, Pro XS, SeaPro and Racing outboard\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Gear housing driveshaft cup \/ cone bearing assembly\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 bearing assembly supports the driveshaft and gear housing load, maintaining correct shaft alignment and smooth lower-unit 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 • Gearcase growling or rumbling noise\n\u003c\/p\u003e\n\u003cp\u003e\n • Metal particles in gear oil\n\u003c\/p\u003e\n\u003cp\u003e\n • Excessive driveshaft movement\n\u003c\/p\u003e\n\u003cp\u003e\n • Failed pressure \/ bearing inspection during gearcase service\n\u003c\/p\u003e\n\u003cp\u003e\n • Bearing replacement required during lower-unit rebuild\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":53387921096996,"sku":"754795L","price":30.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_35958cf3-a603-439a-8e51-09bdfc60ae35.jpg?v=1777210283","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/318m0146553-mercury-mercruiser-bearing-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}