{"product_id":"sierra-18-2387-lower-unit-drain-fill-screw","title":"Sierra 18-2387 Drain Fill Screw Johnson Evinrude OMC","description":"\u003ch2\u003eSierra 18-2387 Drain Fill Screw Johnson Evinrude OMC\u003c\/h2\u003e\n\u003cp\u003eThe Sierra 18-2387 marine lower unit drain\/fill screw is a replacement gearcase service component for compatible Johnson, Evinrude, and OMC applications. This screw is used during lower unit gear lube service where Sierra 18-2387, GLM 22420, or the matching OEM-style drain\/fill screw is specified.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSierra 18-2387 marine lower unit drain\/fill screw\u003c\/li\u003e\n  \u003cli\u003eDesigned for compatible Johnson, Evinrude, and OMC gearcase applications\u003c\/li\u003e\n  \u003cli\u003eReplacement screw for lower unit drain or fill locations where specified\u003c\/li\u003e\n  \u003cli\u003eInterchanges with GLM 22420 where specifications match\u003c\/li\u003e\n  \u003cli\u003eHelps support proper gear lube service and lower unit maintenance\u003c\/li\u003e\n  \u003cli\u003eComponent screw only; washer or gasket may be required separately\u003c\/li\u003e\n  \u003cli\u003eMarine replacement part for service, repair, and seasonal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Sierra\u003c\/li\u003e\n  \u003cli\u003ePart Number: 18-2387\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Lower unit drain\/fill screw\u003c\/li\u003e\n  \u003cli\u003eApplication Style: Johnson, Evinrude, and OMC\u003c\/li\u003e\n  \u003cli\u003eInterchange Reference: GLM 22420 where applicable\u003c\/li\u003e\n  \u003cli\u003eUse With: Compatible drain\/fill plug washer where specified\u003c\/li\u003e\n  \u003cli\u003eCompatible Applications: Marine gearcases where Sierra 18-2387 or the matching OEM drain\/fill screw is specified\u003c\/li\u003e\n  \u003cli\u003eConfirm fit by matching Sierra part number 18-2387, GLM 22420 reference, engine or drive model, year, serial range, thread type, screw style, and gearcase application before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy You Should Buy\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePractical replacement for worn, damaged, stripped, or missing drain\/fill screws\u003c\/li\u003e\n  \u003cli\u003eUseful for routine lower unit gear lube changes and gearcase maintenance\u003c\/li\u003e\n  \u003cli\u003eHelps maintain a secure drain\/fill screw connection when paired with the correct washer\u003c\/li\u003e\n  \u003cli\u003eIdeal for boat owners, marine repair shops, and seasonal service kits\u003c\/li\u003e\n  \u003cli\u003eEasy to verify by exact Sierra part number and GLM interchange reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eJohnson outboard lower unit service\u003c\/li\u003e\n  \u003cli\u003eEvinrude outboard gearcase maintenance\u003c\/li\u003e\n  \u003cli\u003eOMC lower unit drain\/fill screw replacement\u003c\/li\u003e\n  \u003cli\u003eMarine gear lube change service\u003c\/li\u003e\n  \u003cli\u003eApplications requiring Sierra 18-2387 or GLM 22420 drain\/fill screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat is Sierra 18-2387 used for?\u003c\/strong\u003e Sierra 18-2387 is a lower unit drain\/fill screw for compatible Johnson, Evinrude, and OMC marine gearcase applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this replace GLM 22420?\u003c\/strong\u003e Yes, Sierra 18-2387 interchanges with GLM 22420 where specifications match.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this include the washer?\u003c\/strong\u003e No, this listing is for the drain\/fill screw component only unless otherwise supplied by the seller. A compatible washer or gasket may be required separately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIs this for all Johnson and Evinrude outboards?\u003c\/strong\u003e No, compatibility must be confirmed by exact part number, screw style, model, year, serial range, and gearcase application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e Match Sierra part number 18-2387, GLM 22420 reference, thread type, screw style, engine or drive model, serial range, and service manual requirements before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":47077111595240,"sku":"SR18.2387","price":9.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9927\/6776\/files\/18-2387.jpg?v=1777584418","url":"https:\/\/wakeboss.com\/products\/sierra-18-2387-lower-unit-drain-fill-screw","provider":"Wakeboss","version":"1.0","type":"link"}