{"product_id":"johnson-evinrude-outboard-ignition-wiring-harness-sierra-18-99473-marine-replacement","title":"Sierra Ignition Wiring Harness 18-99473 for Johnson Evinrude Outboards","description":"\u003cp\u003eThe Sierra 18-99473 is an ignition wiring harness built for Johnson Evinrude outboard ignition systems. It is designed to connect and route ignition circuit wiring on compatible Johnson Evinrude outboard motors, giving boat owners and marine technicians a reliable replacement harness when an original harness has become brittle, corroded, or damaged from prolonged exposure to a marine engine bay environment. As part of Sierra's outboard ignition system component line, this harness is intended to restore proper electrical connections within the ignition circuit so the outboard's ignition components can communicate and function as designed.\u003c\/p\u003e\u003cp\u003eAt 0.9 pounds, it is a lightweight, compact component that is easy to handle during installation or when shipped as a replacement part. Each unit is identified by Sierra part number 18-99473 and UPC 808282396480, making it straightforward to confirm you are ordering the exact harness needed for your Johnson Evinrude outboard ignition system.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-99473\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Evinrude Outboard Ignition System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.9 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282396480\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eDesigned for Johnson Evinrude outboard ignition systems.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cp\u003eNo OEM cross-reference numbers are specified for this part.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-99473?\u003c\/strong\u003e It is a Johnson Evinrude ignition wiring harness, Sierra part number 18-99473, made to connect and route wiring within a Johnson Evinrude outboard ignition system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this harness fit my Johnson or Evinrude outboard?\u003c\/strong\u003e The Sierra 18-99473 is designed for Johnson Evinrude outboard ignition systems; confirm compatibility with your specific engine before ordering since exact model coverage is not listed here.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat brand makes part number 18-99473?\u003c\/strong\u003e Part number 18-99473 is manufactured by Sierra as part of its Evinrude Outboard Ignition System component line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-99473 harness weigh?\u003c\/strong\u003e The Sierra 18-99473 ignition wiring harness weighs 0.9 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow can I verify I am ordering the correct harness?\u003c\/strong\u003e Match the Sierra part number 18-99473 or UPC 808282396480 against your order confirmation to verify you have the correct ignition wiring harness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99473 an OEM or aftermarket part?\u003c\/strong\u003e The 18-99473 is a Sierra-branded replacement harness for Johnson Evinrude outboard ignition systems, sold under the Sierra brand rather than as an original Johnson Evinrude part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat ignition system components does this harness work with?\u003c\/strong\u003e The 18-99473 harness is categorized as part of the Evinrude Outboard Ignition System, intended to route wiring between ignition components on compatible outboards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the listing include specific horsepower or year coverage?\u003c\/strong\u003e No specific horsepower rating or model year range is specified for the Sierra 18-99473; it is identified generally for Johnson Evinrude outboard ignition systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for this part?\u003c\/strong\u003e The Sierra 18-99473 ignition wiring harness carries UPC 808282396480.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy would I need to replace an ignition wiring harness like the 18-99473?\u003c\/strong\u003e An ignition wiring harness such as the Sierra 18-99473 is typically replaced when the original harness wiring becomes damaged, corroded, or brittle, which can disrupt ignition circuit connections on a Johnson Evinrude outboard.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988444819675,"sku":"SIE-18-99473","price":250.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-413-4004_lg__21521.1722519049.500.750.jpg?v=1785329167","url":"https:\/\/www.goodvibesmarina.com\/products\/johnson-evinrude-outboard-ignition-wiring-harness-sierra-18-99473-marine-replacement","provider":"Good Vibes Marina","version":"1.0","type":"link"}