{"product_id":"sierra-18-99253-timing-protection-module-for-mercury-mariner-v6-outboards","title":"Sierra 18-99253 Timing Protection Module for Mercury Mariner V6 Outboards","description":"\u003cp\u003eThe Sierra 18-99253 Timing Protection Module is an electrical component built for Mercury Mariner V6 outboard engines, where it monitors and safeguards the engine's ignition timing during operation. It is a plug-in unit that connects directly into the outboard's existing wiring harness, so it installs in place of the factory module without splicing or custom wiring. The module mounts using a DIN rail mounting configuration, a standard industrial mounting style that keeps the unit secure against engine vibration while allowing straightforward access for service. Operation is fully automatic, meaning the module carries out its timing protection function continuously once installed, with no driver or operator input required during normal running.\u003c\/p\u003e\u003cp\u003eThis module is intended as a direct electrical replacement for the timing protection component used on applicable Mercury Mariner V6 outboard powerheads. Because it governs ignition timing, a properly functioning module helps protect the engine from timing-related stress during acceleration and high-RPM operation. The compact housing and plug-in connector are designed to match the factory footprint, simplifying removal of the old unit and installation of the replacement.\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 18-99253\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury Mariner V6 outboard electrical system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Plug-In\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN Rail Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation Mode:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.8 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282394189\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercury Mariner V6 outboard engines\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-99253 timing protection module do?\u003c\/strong\u003e It monitors and protects ignition timing on Mercury Mariner V6 outboard engines, operating automatically once wired in so no manual adjustment is needed during use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich engines is the 18-99253 module designed for?\u003c\/strong\u003e It is designed for Mercury Mariner V6 outboard engines that use this timing protection component in their electrical system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a plug-in module or does it require splicing?\u003c\/strong\u003e The 18-99253 uses a plug-in connector, so it connects into the existing outboard wiring harness without cutting or splicing wires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the module mounted on the engine?\u003c\/strong\u003e It uses a DIN rail mounting type, a standard rail-based mount that holds the module securely in place on the outboard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the timing protection module need to be programmed or adjusted after installation?\u003c\/strong\u003e No. The 18-99253 operates automatically, carrying out its timing protection function continuously once it is installed and connected.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-99253 module weigh?\u003c\/strong\u003e The Sierra 18-99253 timing protection module weighs 0.8 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99253 a genuine Sierra part?\u003c\/strong\u003e Yes, 18-99253 is the Sierra manufacturer part number for this timing protection module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat electrical system does this module belong to?\u003c\/strong\u003e The 18-99253 is part of the Mercury Mariner outboard electrical system, specifically the timing protection circuit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this module replace a failed timing protection unit on a V6 outboard?\u003c\/strong\u003e Yes, the 18-99253 is built as a plug-in replacement for the timing protection module on applicable Mercury Mariner V6 outboards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat connector type does the 18-99253 use?\u003c\/strong\u003e It uses a plug-in connector type, allowing it to interface directly with the outboard's factory wiring.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988440232155,"sku":"SIE-18-99253","price":380.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-144-7185_lg__32234.1558111656.500.750.jpg?v=1785188772","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-99253-timing-protection-module-for-mercury-mariner-v6-outboards","provider":"Good Vibes Marina","version":"1.0","type":"link"}