806673T1 Aftermarket Mercruiser Ignition Coil | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement V8 Delco EFI Ignition Coil - Replaces Part Number: 806673T1

New aftermarket ignition coil replacing MerCruiser 806673T1 for 5.0L and 5.7L EFI/TBI engines using the Delco distributor system.

⚙️ Key Features

• Direct replacement for MerCruiser 806673T1

• Designed for Delco EST/HEI EFI ignition

• Supports GM 5.0L and 5.7L V8 engines

• Matches distributor family 805222A1

• Marine high-voltage insulation and connector layout

🧰 Kit / Assembly Contents

• 1 × Ignition coil - Part Number: 806673T1

• Coil lead, bracket and electrical connector hardware are serviced separately unless included

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 806673T1 → Supersedes/cross-references 806673 and 803376T1

OEM / Related Numbers:

• 806673

• 803376T1

Aftermarket / Verified Equivalents:

• Recmar: REC806673T1

• Aftermarket Delco marine EFI coil matched by resistance and connector

🚤 Compatibility

Commonly used on:

• MerCruiser GM small-block V8 Delco EFI ignition systems

Typically suits:

• Engine / Equipment models:

• 5.0L EFI/TBI

• 5.7L EFI/TBI

• 350 Mag EFI applications using distributor 805222A1

• HP / Output Range: Approximately 220HP - 300HP

• Engine / System Type: GM small-block V8 petrol marine engine with Delco distributor ignition

• Year Range: Principally 1990s; engine-serial dependent

• Serial / Component Identification: Confirm the Delco distributor and two-terminal coil connector.

🔌 Function

The ignition coil converts battery voltage into the high voltage required to fire the spark plugs. The engine-control or ignition module switches the coil primary circuit to produce a timed spark.

Common signs of failure / service requirement:

• Crank/no-start with weak or absent spark

• Misfire that worsens as the engine or coil heats up

• Rough idle, hesitation or loss of power

• Cracked housing, corrosion or high-voltage leakage

• Incorrect primary or secondary resistance and repeated ignition-module faults

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging