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Sierra 18-5431 Mercruiser V8 Rotor Assembly
Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM V-8 Engines with Thunderbolt IV & V Ignition.
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Ignition Coil for Thunderbolt Mercruiser & Crusader Ignitions Replaces: Crusader 37068 Mercury 392-805570A2, 392-7803A4, 392-7803, 3000-8M0079202, 392-805570A1 Mallory 9-29701 GLM 72115 ...Add to Cart
Mercruiser HEI V8 Spark Plug Wire Set by Sierra For Mercruiser 5.0L MIE MPI V8 with Delco HEI ignition system. Replaces: Mercury - 84-863656A-1 Mallory - 9-28009Add to Cart
Sierra 18-8821-1 Mercruiser Thunderbolt V8 Gen+ Spark Plug Wire Set Sierra replacement engine parts are designed to meet or exceed OEM requirements. This spark wire set is used on Mercruiser engines...Add to Cart
Mercruiser Thunderbolt V8 Spark Plug Wire Set by Sierra For 8 cylinder engines with Thunderbolt ignition systems. Kit includes coil wire. Kevlar® core for maximum durability and long...Add to Cart