8M6008208 Aftermarket Mercruiser Distributor Module | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Delco EST Distributor Ignition Module - Replaces Part Number: 8M6008208

New aftermarket ignition module replacing the MerCruiser 8M6008208/811637 service family. It mounts inside the Delco EST/HEI distributor and switches the ignition coil from the pickup-sensor signal.

⚙️ Key Features

• Internal Delco EST ignition-control module

• Supports GM four-cylinder, V6 and V8 marine distributors

• Works with pickup sensor 811639T

• Cross-references Volvo Penta/OMC 3854003

• Direct replacement electrical and mounting layout

🧰 Kit / Assembly Contents

• 1 × Distributor ignition module - Part Number: 8M6008208

• 1 × Module thermal compound/insulating pad - supplied where included by the selected manufacturer

• Mounting screws are transferred or renewed separately unless included

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M6008208 ↔ Related/current service family 811637 and 811637001

OEM / Related Numbers:

• 811637

• 811637001

• 3854003

Aftermarket / Verified Equivalents:

• Recmar: REC3854003

• Aftermarket Delco EST marine ignition modules matched by terminal layout

🚤 Compatibility

Commonly used on:

• Delco EST/HEI marine distributors

Typically suits:

• Engine / Equipment models:

• GM 3.0L four-cylinder Delco EST

• GM 4.3L V6 Delco EST

• GM 5.0L, 5.7L, 7.4L and 8.2L V8 Delco EST applications

• HP / Output Range: Approximately 115HP - 425HP

• Engine / System Type: GM petrol marine engine with Delco distributor ignition

• Year Range: Model- and serial-dependent

• Serial / Component Identification: Confirm module terminal arrangement and apply the specified heat-transfer compound during installation.

🔌 Function

The ignition module processes the distributor pickup signal and switches the ignition coil primary circuit. It controls dwell and provides the timed trigger required to create spark.

Common signs of failure / service requirement:

• No spark despite a serviceable coil and pickup sensor

• Intermittent shutdown after the engine warms up

• Weak or erratic coil switching

• Misfire across several cylinders

• Heat damage, corrosion or failed module ground

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging