863656A2 Aftermarket Mercruiser Ignition Cable Kit 4.3L MPI | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement 4.3L V6 ECM555 MPI Ignition Lead Set - Replaces Part Number: 863656A2

New seven-lead ignition-cable set replacing MerCruiser 863656A2 for 4.3L MPI V6 engines with the flat-cap HVS distributor.

⚙️ Key Features

• Seven-lead V6 ECM555 MPI set

• Correct 4.3L Vortec lead lengths and routing

• Marine suppression cable and heat-resistant boots

• Matches HVS distributor 888751A1

• Includes six plug leads and one coil lead

🧰 Kit / Assembly Contents

• 6 × Spark-plug leads - serviced only as kit P/N 863656A2

• 1 × Distributor-to-ignition-coil lead - serviced only as kit P/N 863656A2

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 863656A2 (MerCruiser V6 MPI lead-set reference)

OEM / Related Numbers:

• 3858999

• 3888327

• 15-606

Aftermarket / Verified Equivalents:

• Sierra: 18-8829-1

• EMP: 84-28057

• Recmar: REC15-606

• Volvo Penta: 3858999 / 3888327

🚤 Compatibility

Commonly used on:

• GM 4.3L V6 ECM555 MPI marine engines

Typically suits:

• Engine / Equipment models:

• MerCruiser 4.3L MPI Alpha

• MerCruiser 4.3L MPI Bravo

• Volvo Penta 4.3L MPI applications using the listed cross references

• HP / Output Range: Approximately 220HP - 225HP

• Engine / System Type: GM Vortec 4.3L V6 petrol marine engine with HVS distributor

• Year Range: Principally 2000s; documented serial family includes 0W658584-1A030367

• Serial / Component Identification: Confirm flat-cap distributor 888751A1 and lead boot layout.

🔌 Function

The ignition leads carry high-voltage energy from the distributor or individual coils to the spark plugs. Marine-grade insulation and correctly fitted terminals prevent leakage, crossfire and radio-frequency interference.

Common signs of failure / service requirement:

• Misfire under acceleration or high load

• Visible arcing in darkness or around damp lead boots

• Cracked, hardened or oil-contaminated insulation

• Excessive lead resistance or open circuit

• Rough idle, crossfire or radio-frequency interference

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging