{"product_id":"lower-unit-assembly-69g-45300-21-8d","title":"Lower Unit Assembly - 69G-45300-21-8D","description":"\u003cp\u003eThis product has been superseded by: 69G-45300-23-8D\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"72\" data-start=\"0\" data-section-id=\"vc5l1u\"\u003eYamaha - Lower Unit Assembly - Gearcase Component - 69G-45300-21-8D\u003c\/h2\u003e\n\u003chr data-end=\"77\" data-start=\"74\"\u003e\n\u003ch2 data-end=\"92\" data-start=\"79\" data-section-id=\"6lznae\"\u003eOverview\u003c\/h2\u003e\n\u003cp data-end=\"505\" data-start=\"94\"\u003eWhen a lower unit starts wearing out, you’ll notice it right away—vibration, noise, or just not pushing like it used to. This assembly is what transfers engine power into forward motion, and when it’s dialed in, everything feels smooth and solid. I’ve swapped out worn units where the difference was immediate once back in the water. A fresh lower unit like this brings back that clean, confident performance.\u003c\/p\u003e\n\u003chr data-end=\"510\" data-start=\"507\"\u003e\n\u003ch2 data-end=\"529\" data-start=\"512\" data-section-id=\"14at72t\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-end=\"625\" data-start=\"531\"\u003e• \u003cstrong data-end=\"563\" data-start=\"533\"\u003eEfficient Power Transfer –\u003c\/strong\u003e Converts engine output into smooth and reliable propulsion.\u003c\/p\u003e\n\u003cp data-end=\"713\" data-start=\"627\"\u003e• \u003cstrong data-end=\"659\" data-start=\"629\"\u003ePrecision Gear Alignment –\u003c\/strong\u003e Ensures clean engagement and reduces internal wear.\u003c\/p\u003e\n\u003cp data-end=\"811\" data-start=\"715\"\u003e• \u003cstrong data-end=\"739\" data-start=\"717\"\u003eOEM Fit Accuracy –\u003c\/strong\u003e Matches Yamaha factory specs for proper installation and performance.\u003c\/p\u003e\n\u003cp data-end=\"922\" data-start=\"813\"\u003e• \u003cstrong data-end=\"853\" data-start=\"815\"\u003eCorrosion Resistant Construction –\u003c\/strong\u003e Built to handle harsh marine environments including saltwater use.\u003c\/p\u003e\n\u003chr data-end=\"927\" data-start=\"924\"\u003e\n\u003ch2 data-end=\"961\" data-start=\"929\" data-section-id=\"1b7w7ff\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h2\u003e\n\u003cp data-end=\"1063\" data-start=\"963\"\u003eVerify compatibility with your specific Yamaha outboard model and part number before installation.\u003c\/p\u003e\n\u003chr data-end=\"1068\" data-start=\"1065\"\u003e\n\u003ch2 data-end=\"1079\" data-start=\"1070\" data-section-id=\"w36ijk\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-end=\"1213\" data-start=\"1081\"\u003e\u003cstrong data-end=\"1136\" data-start=\"1081\"\u003eQ1: What are signs this lower unit needs replacing?\u003c\/strong\u003e\u003cbr data-end=\"1139\" data-start=\"1136\"\u003eA: Grinding noise, vibration, water in gear oil, or reduced performance.\u003c\/p\u003e\n\u003cp data-end=\"1342\" data-start=\"1215\"\u003e\u003cstrong data-end=\"1261\" data-start=\"1215\"\u003eQ2: Can I rebuild instead of replacing it?\u003c\/strong\u003e\u003cbr data-end=\"1264\" data-start=\"1261\"\u003eA: Sometimes, but severe damage usually makes replacement the better option.\u003c\/p\u003e\n\u003cp data-end=\"1452\" data-start=\"1344\"\u003e\u003cstrong data-end=\"1383\" data-start=\"1344\"\u003eQ3: Does this come fully assembled?\u003c\/strong\u003e\u003cbr data-end=\"1386\" data-start=\"1383\"\u003eA: Yes, it’s designed as a complete unit for direct replacement.\u003c\/p\u003e\n\u003cp data-end=\"1558\" data-start=\"1454\"\u003e\u003cstrong data-end=\"1498\" data-start=\"1454\"\u003eQ4: Will performance improve right away?\u003c\/strong\u003e\u003cbr data-end=\"1501\" data-start=\"1498\"\u003eA: Yes, especially if the old unit was worn or damaged.\u003c\/p\u003e\n\u003cp data-end=\"1679\" data-start=\"1560\"\u003e\u003cstrong data-end=\"1603\" data-start=\"1560\"\u003eQ5: Is this suitable for saltwater use?\u003c\/strong\u003e\u003cbr data-end=\"1606\" data-start=\"1603\"\u003eA: Yes, it’s built to handle corrosion from regular saltwater exposure\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46938033979683,"sku":"69G-45300-21-8D","price":1700.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV237627.jpg?v=1698804166","url":"https:\/\/partsvu.com\/en-ca\/products\/lower-unit-assembly-69g-45300-21-8d","provider":"PartsVu","version":"1.0","type":"link"}