For sale is a genuine MerCruiser Distributor, part number 862057A07, used on many MerCruiser Thunderbolt V ignition systems. This is the complete OEM distributor assembly designed for marine environments, offering accurate timing, corrosion resistance, and long-term durability.

This is NOT an automotive distributor. Marine distributors feature sealed electronics, corrosion-resistant materials, and ignition-safe construction required for boat engine compartments.

If your MerCruiser engine is experiencing:

• Hard starting

• Random misfires

• Poor idle

• Timing drift

• No-spark condition

• Hesitation under throttle

…your distributor may be failing. This factory OEM replacement restores proper ignition performance.

Features

• Genuine MerCruiser OEM marine-grade distributor

• Thunderbolt V compatible

• Smooth advance mechanism

• Sealed design suitable for marine engine compartments

• Direct bolt-on replacement

• Much higher reliability than aftermarket automotive conversions

What’s Included

• Complete MerCruiser Distributor 862057A07

• Cap & rotor (included but may want replacement depending on your preference)

• Electrical connector and hold-down base