MerCruiser Ignition Components

Reliable MerCruiser V6-V8 Ignition Sensor Assembly. Direct replacement for Thunderbolt ignition systems. Improve spark timing and restore engine performance.

Marine-grade MerCruiser 5.0L & 5.7L Carb Ignition Wire Set. Upgrade your V8 engine’s spark with reliable, easy-install wires for better marine performance.

Upgrade your engine with the MerCruiser 5L 5.7L TKS Cap & Rotor Kit. Designed to improve ignition performance, enhance fuel efficiency, and prevent misfires, this kit ensures smooth engine operation and reliable starts for your MerCruiser sterndrive or inboard engine.

MerCruiser 4.3L Ignition Wire Set for TBI engines offers marine-grade reliability, strong spark delivery, and easy OEM-fit installation for peak performance.