
Ignition Coil Compatible with 2004 Mercury Optimax Pro XS Racing 75-300HP DFI EFI 2-Stroke 4-Stroke Outboard 339-879984A1 300-879984T01 8M0077471 Replaces 339-879984T00 8M0042380 CDI
Product information for Ignition Coil Compatible with 2004 Mercury Optimax Pro XS Racing 75-300HP DFI EFI 2-Stroke 4-Stroke Outboard 339-879984A1 300-879984T01 8M0077471 Replaces 339-879984T00 8M0042380 CDI
MERCURY OPTIMAX 2-STROKE DFI — 75-250HP: • Optimax 75/90/115/125/200/225/250HP DFI (2004-Present) MERCURY OPTIMAX PRO XS — 115-250HP: • Pro XS 115/175/200/225/250HP (2004-Present) MERCURY OPTIMAX RACING — 225-300HP: • Racing 225 XS / 225 Sport XS / 250 XS / 250 Sport XS / 300XS MERCURY EFI 2-STROKE / 4-STROKE: • EFI 2-Stroke 150-250HP 2.5L/3.0L • EFI 4-Stroke 30/40/50/60HP • Racing 225X / 300X OEM PART NUMBERS: • Mercury: 339-879984A1 / 339-879984T00 / 300-879984T01 • Mercury: 300-8M0077471 / 8M0077471 / 8M0047456 • CDI: 183-0003 Ignition Coil — Mercury Optimax/EFI 30-300HP: 12V 5-pin ignition coil for Mercury Optimax Pro XS Racing and EFI 2-stroke and 4-stroke outboard engines from 30 to 300HP. ADDITIONAL CROSS-REFERENCES: • Mercury: 339-879984A1 / 339879984A1 • Mercury: 339-879984T00 / 339879984T00 • Mercury: 300-879984T01 / 300879984T01 • Mercury: 300-8M0077471 / 3008M0077471 • Product Type: Ignition Coil • Voltage: 12V • Connector: 5-Pin • Condition: New • Optimax Racing 225-300XS • EFI 4-Stroke 30-60HP • Racing 225X/300X ⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.
















