A-Team Performance EST Marine Electronic Ignition Distributor – Compatible With Mercruiser, Volvo Penta, OMC, Chevy 2.5L & 3.0L 4-Cylinder

Upgrade your boat’s ignition system with this high-performance EST marine distributor. It’s a direct replacement for Mercruiser #817377, Volvo Penta #3854264, Sierra #18-5475, and more — compatible with 2.5L and 3.0L 4-cylinder engines from Mercruiser, Chevy, Volvo Penta, OMC, and Indmar. \n\nBuilt for marine use, it features a heavy-duty red cap and rotor, better heat dissipation, and improved spark performance for smoother starts and better fuel economy. Not your average auto distributor — this one’s marine-grade through and through. \n\nWhat’s included:\n- Electronic Ignition Distributor with cap and rotor.\n- Fits most 4-cylinder marine engines from 1967 onward.\n- Enhanced cooling design, reliable in tough conditions.\n\nIdeal for DIY boat owners or mechanics looking for a dependable, bolt-on ignition upgrade. No extra conversion kits needed — everything’s in the box. Get better throttle response, fewer misfires, and peace of mind on the water.