Caltric 3-Pack Ignition Coils For Mercury Outboard 30HP 40HP EFI 4-Stroke (3-Cylinder) – Replaces 8M0077471

If your Mercury 30 or 40 HP EFI 4-stroke outboard is misfiring or hard to start, these ignition coils from Caltric might be the fix.

This is a 3-pack of brand new coils, so you get all three you need for your 3-cylinder motor.

They're a direct replacement for the factory coils, crossing to OEM numbers like 8M0077471, 879984T00, 879984A1, and 879984T01.

No more chasing intermittent spark issues.

Each coil measures about 103.7 mm x 91.2 mm x 46.6 mm.

Caltric is a well-known brand for powersports and marine parts, and these come with a 90-day warranty.

They're made for boat engines, specifically the 30Hp and 40Hp EFI models.

If you're doing a tune-up or troubleshooting a cylinder that's not firing, this Caltric 3-pack has you covered.