{"product_id":"mercury-outboard-lower-unit-75-125-hp-3-cyl-dfi-optimax-2004-2018","title":"Mercury Outboard Lower Unit | 75-125 HP | 3-Cyl DFI\/Optimax 2004-2018","description":"\u003cp\u003eThe \u003cb\u003eOBR Mercury Optimax lower unit\u003c\/b\u003e is a \u003cb\u003ereplacement gearcase\u003c\/b\u003e for selected \u003cb\u003eMercury three-cylinder DFI\/Optimax two-stroke outboards\u003c\/b\u003e. Depending on the selected SKU, applications include \u003cb\u003e75 HP, 90 HP, 115 HP, and selected 125 HP engines\u003c\/b\u003e. Both \u003cb\u003enew and remanufactured gearcase options\u003c\/b\u003e are available, with \u003cb\u003e20-inch L\u003c\/b\u003e and \u003cb\u003e25-inch XL shaft configurations\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eEach configuration has its own \u003cb\u003ehorsepower, shaft-length, and model-year coverage\u003c\/b\u003e. The \u003cb\u003eME-G3-09\u003c\/b\u003e and \u003cb\u003eME-G3-10\u003c\/b\u003e families cover selected \u003cb\u003e75\/90 HP applications\u003c\/b\u003e, while the \u003cb\u003eME-G3-13\u003c\/b\u003e and \u003cb\u003eME-G3-14\u003c\/b\u003e families cover selected \u003cb\u003e115\/125 HP applications\u003c\/b\u003e. Model-year coverage ranges from \u003cb\u003e2004–2014 or 2004–2018\u003c\/b\u003e depending on the exact SKU and condition selected.\u003c\/p\u003e\n\u003cp\u003eGearcase assemblies \u003cb\u003eship without gear oil\u003c\/b\u003e. The selected unit must be filled with the \u003cb\u003emanufacturer-required marine gear lubricant\u003c\/b\u003e before operation. \u003cb\u003eProper installation\u003c\/b\u003e, \u003cb\u003eidle-speed adjustment\u003c\/b\u003e, \u003cb\u003eshift adjustment\u003c\/b\u003e, and the \u003cb\u003eOBR break-in procedure\u003c\/b\u003e are required. OBR provides a \u003cb\u003etwo-year limited warranty\u003c\/b\u003e for new and remanufactured gearcases, subject to inspection, installation requirements, and the manufacturer’s warranty exclusions.\u003c\/p\u003e","brand":"OBR Parts","offers":[{"title":"New \/ 115\/125 HP DFI\/Optimax | 20-inch L |","offer_id":47239492272290,"sku":"ME-G3-13-N","price":2822.0,"currency_code":"USD","in_stock":true},{"title":"New \/ 115\/125 HP DFI\/Optimax | 25-inch XL |","offer_id":47239492305058,"sku":"ME-G3-14-N","price":2822.0,"currency_code":"USD","in_stock":true},{"title":"New \/ 75-90 OPTIMAX HP \/ L Shaft \/ 2004-2018","offer_id":47239492337826,"sku":"ME-G3-09-N","price":2822.0,"currency_code":"USD","in_stock":true},{"title":"Re-manufactured \/ 115 HP DFI\/Optimax | 20-inch L |","offer_id":47239492370594,"sku":"ME-G3-13-R","price":2522.0,"currency_code":"USD","in_stock":true},{"title":"Re-manufactured \/ 115\/125 HP DFI\/Optimax | 25-inch XL |","offer_id":47239492403362,"sku":"ME-G3-14-R","price":2522.0,"currency_code":"USD","in_stock":true},{"title":"Re-manufactured \/ 75\/90 HP DFI\/Optimax | 20-inch L |","offer_id":47239492436130,"sku":"ME-G3-09-R","price":2522.0,"currency_code":"USD","in_stock":true},{"title":"Re-manufactured \/ 75\/90 HP DFI\/Optimax | 25-inch XL |","offer_id":47334593691810,"sku":"ME-G3-10-R","price":2822.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/7998982a-mercury-lower-unit.png?v=1765344028","url":"https:\/\/marinerswarehouse.com\/products\/mercury-outboard-lower-unit-75-125-hp-3-cyl-dfi-optimax-2004-2018","provider":"Mariners Warehouse Shop","version":"1.0","type":"link"}