{"product_id":"2770937-mercury-mercruiser-8m0214941-o-ring-genuine-quicksilver-oem-part","title":"2770937 Mercury MerCruiser 8M0214941 O Ring | 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 Alpha Input Shaft O-Ring - Part Number: 25-8M0214941\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Quicksilver O-ring used on MerCruiser Alpha \/ Alpha One input shaft and sterndrive sealing applications. This O-ring replaces the earlier 25-70937 reference and is commonly used on MerCruiser stern drive input shaft \/ drive installation sealing locations.\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 O-ring\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct current Mercury part number 25-8M0214941\n\u003c\/p\u003e\n\u003cp\u003e\n • Supersedes earlier 25-70937 O-ring reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Used on Alpha input shaft and drive sealing applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Important replacement seal during drive removal, installation or input shaft service\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 • 25-8M0214941 → Supersedes 25-70937\n\u003c\/p\u003e\n\u003cp\u003e\n • 25-70937 earlier OEM O-ring reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 70937 original related O-ring 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 • 25-8M0214941\n\u003c\/p\u003e\n\u003cp\u003e\n • 8M0214941\n\u003c\/p\u003e\n\u003cp\u003e\n • 25-70937\n\u003c\/p\u003e\n\u003cp\u003e\n • 70937\n\u003c\/p\u003e\n\u003cp\u003e\n • 2770937\n\u003c\/p\u003e\n\u003cp\u003e\n • 16755Q1 related O-ring kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 30-879194A01 related gimbal bearing kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 30-879194A02 related gimbal 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 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 • MerCruiser Alpha input shaft O-ring applications\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser stern drive installation and input shaft sealing locations\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 • Drive \/ engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 225-S - 1974, serial 3856268 to 4200499\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 233 - 1975-1977, serial 4200500 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 - 1976-1977, serial 4208730 to 4893934\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 120 \/ 140 - 1978-1982, serial 4893635 to 6225576\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 165 - 1978-1981, serial 4890460 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 898 - 1978-1982, serial 4898730 to 6225576\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 260 - 1978-1982, serial 4898730 to 6225576\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 - 1978-1982, serial 4893835 to 6225576\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 485 - 1980-1982, serial 4893835 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 228 - 1978-1982, serial 4898730 to 6225576\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Alpha One Gen II - 1991 and newer input shaft O-ring applications where 25-8M0214941 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Alpha \/ Alpha One drive input shaft sealing applications where 25-70937 \/ 25-8M0214941 is shown in the drive installation or input shaft diagram\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Drive Type: MerCruiser Alpha \/ Alpha One \/ Alpha One Gen II and earlier MerCruiser stern drive applications where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Input shaft O-ring \/ drive sealing component\n\u003c\/p\u003e\n\u003cp\u003e\n • Fitment Note: This O-ring is matched by drive and input shaft diagram location rather than engine displacement alone.\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 O-ring seals the specified input shaft or drive installation joint, helping prevent water entry, lubricant leakage or sealing failure around the drive interface.\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 • Water intrusion after drive installation\n\u003c\/p\u003e\n\u003cp\u003e\n • O-ring flattened, cut or missing\n\u003c\/p\u003e\n\u003cp\u003e\n • Leakage around input shaft sealing area\n\u003c\/p\u003e\n\u003cp\u003e\n • O-ring damage during drive removal\n\u003c\/p\u003e\n\u003cp\u003e\n • Replacement required during gimbal bearing, bellows or drive service\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":53388141691172,"sku":"M052283","price":9.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_c2409f15-8cdc-4cc6-a944-bc24e489face.jpg?v=1777212034","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/2770937-mercury-mercruiser-8m0214941-o-ring-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}