{"product_id":"sierra-18-99415-ignition-trigger-for-mercury-mariner-4-cylinder-outboards-1996-2006-80-jet-100-115-125-hp-replaces-855746a21-834821t","title":"Sierra 18-99415 4-Cylinder CDM Trigger for Mercury Mariner 80 JET, 100, 115, 125 HP 1996-2006","description":"\u003cp\u003eThe Sierra 18-99415 is a 4-cylinder CDM (Capacitor Discharge Module) trigger built for Mercury and Mariner outboard engines. This ignition component signals the CDM at the correct point in the engine cycle so each cylinder fires at the right time, making it a key part of the outboard's ignition timing system. It is constructed of plastic for durable service in the marine engine compartment.\u003c\/p\u003e\u003cp\u003eThis trigger is designed to fit Mercury outboards rated 80 JET, 100, 115, and 125 HP built in 1996-2006. It is a direct replacement for a failed or worn factory trigger and is intended for owners and marine technicians replacing ignition components as part of a tune-up or troubleshooting a misfire, hard-starting, or no-spark condition on a compatible 4-cylinder Mercury or Mariner outboard.\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 18-99415\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Outboard Stator and Trigger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cylinders:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Mercury \/ Mariner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Horsepower:\u003c\/strong\u003e 80 JET, 100, 115, 125 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Years:\u003c\/strong\u003e 1996-2006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.6 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282394462\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercury \/ Mariner outboards, 1996-2006, 80 JET, 100, 115, and 125 HP\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e134-4513-4\u003c\/li\u003e\n\u003cli\u003e834821T\u003c\/li\u003e\n\u003cli\u003e854513 T\u003c\/li\u003e\n\u003cli\u003e855746A 2\u003c\/li\u003e\n\u003cli\u003e855746A21\u003c\/li\u003e\n\u003cli\u003e855748A 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-99415 trigger fit?\u003c\/strong\u003e The Sierra 18-99415 fits Mercury and Mariner outboard engines rated 80 JET, 100, 115, and 125 HP built in 1996-2006.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-99415 a direct replacement for the factory Mercury trigger?\u003c\/strong\u003e Yes, the 18-99415 is a direct-fit replacement trigger for the applicable 4-cylinder Mercury and Mariner outboards, and it cross-references to OEM numbers 134-4513-4, 834821T, 854513 T, 855746A 2, 855746A21, and 855748A 2.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many cylinders is this trigger designed for?\u003c\/strong\u003e The Sierra 18-99415 is a 4-cylinder CDM trigger, matched to the 4-cylinder Mercury and Mariner outboards it is compatible with.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the trigger made of?\u003c\/strong\u003e The Sierra 18-99415 trigger is made of plastic, suited to the marine engine compartment environment it operates in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does a CDM trigger do on an outboard engine?\u003c\/strong\u003e A CDM trigger sends a timing signal to the ignition's capacitor discharge module so each of the engine's cylinders fires at the correct point in the cycle; on the Sierra 18-99415 this signal is provided for 4-cylinder Mercury and Mariner outboards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat symptoms indicate the trigger needs to be replaced?\u003c\/strong\u003e Misfiring, hard starting, or a no-spark condition on a compatible 4-cylinder Mercury or Mariner outboard can point to a failed trigger, which the Sierra 18-99415 is designed to replace.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-99415 weigh?\u003c\/strong\u003e The Sierra 18-99415 trigger weighs 0.6 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes 18-99415 replace part number 134-4513-4?\u003c\/strong\u003e Yes, 134-4513-4 is one of the OEM cross-reference numbers the Sierra 18-99415 replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the Sierra 18-99415 fit a 150 HP Mercury outboard?\u003c\/strong\u003e No, the Sierra 18-99415 is compatible with Mercury and Mariner outboards rated 80 JET, 100, 115, and 125 HP from 1996-2006; a 150 HP engine is outside its listed fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this trigger sold as a single unit?\u003c\/strong\u003e Yes, the Sierra 18-99415 trigger is sold as one unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat years of Mercury\/Mariner outboards use this trigger?\u003c\/strong\u003e The Sierra 18-99415 covers model years 1996-2006 on the applicable 80 JET, 100, 115, and 125 HP Mercury and Mariner outboards.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988443443419,"sku":"SIE-18-99415","price":128.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-134-4513-4_lg__47407.1558112885.500.750.jpg?v=1785188224","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-99415-ignition-trigger-for-mercury-mariner-4-cylinder-outboards-1996-2006-80-jet-100-115-125-hp-replaces-855746a21-834821t","provider":"Good Vibes Marina","version":"1.0","type":"link"}