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The Engineered Marine Products 300-03084 is a complete tune-up kit with distributor cap designed specifically for 1985-1997 MerCruiser V6 engines ranging from 225 to 390 horsepower. This kit is engineered for GM and Marine Iron Engine (MIE) powerplants equipped with Thunderbolt High Energy Ignition (HEI) systems.
Kit Includes:
Direct OEM Replacement: This kit serves as a premium aftermarket alternative to Mercury marine part numbers 815407R5 and 815407T6, as well as Sierra 18-5274. The distributor cap replaces Mercury 13753A2 and 815407A2, while the rotor replaces Mercury 13524A6.
Built with robust, corrosion-resistant materials to withstand harsh marine environments, this tune-up kit ensures reliable ignition performance and consistent spark delivery. Regular replacement of these ignition components helps maintain optimal engine timing, improves fuel efficiency, and prevents misfires under demanding boating conditions. For distributor cap only without the complete kit, see EMP part number 300-02134.
Great prices, every item I needed, and low shipping cost. BEAUTIFUL!!!
Lawrence J B
easy
Emanuel H
clint s
low prices fast shipping good parts
Joe K
great
GeorgeRyan G
Easy to locate products
barbara b
We will see when product arrives.
Joel Rose
Good so far
justin
Great
Russell P
easy to order
Pamela Bowling
Jody lambert
well planned out site!
TJ Brutal Customs
It koo.
ronin
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