50-8M0090697 Aftermarket Mercruiser 3.0L V6/V8 Starter Motor | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket MerCruiser GM inline-engine starter conversion kit - Part Number: 50-8M0090697

An eleven-tooth starter conversion kit for selected GM-based MerCruiser inline-four and inline-six marine petrol engines. The verified core application is the straight-across bottom-mount, 12.75-inch-flywheel engine family, including 2.5L and 3.0L inline-fours. The supplied title's V6/V8 wording is not the principal application of this kit.

The kit replaces earlier starter 50-806965A4 and includes the later starter plus the specified mounting bracket and fasteners needed for the conversion.

⚙️ Key Features

• Complete Mercury-style starter conversion package

• Eleven-tooth replacement starter

• Straight-across bottom mounting for the applicable 12.75-inch flywheel

• Ignition-protected marine construction

• Includes installation bracket and specified mounting hardware

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0090697 → Supersedes 50-806965A4

OEM / Related Numbers:

• Mercury/MerCruiser kit: 8M0090697

• Starter motor included in kit: 8M0090804

• Starter bolts: 10-8053432 and 10-8053434

• Mounting bracket: 8072131

• Bracket screw: 824941

• Mounting nuts: 11-21806 and 11-806949

• Identification decal: 37-88506

• Volvo Penta related starter reference: 3856003

Aftermarket / Verified Equivalents:

• ARCO Marine: 30460

• Recmar: REC50-8M0090697

• Aftermarket conversion kits cross-referenced to 8M0090697

🚤 Compatibility

Commonly used on:

• GM-based MerCruiser inline-four and inline-six marine petrol engines

Typically suits:

• Engine models:

• MerCruiser 110 / 2.5L inline-four

• MerCruiser 120 / 2.5L inline-four

• MerCruiser 140 / 3.0L inline-four

• MerCruiser 3.0L and 3.0LX

• Selected MerCruiser 140HP, 150HP, 160HP, 165HP and 200HP inline-six packages using the same mounting pattern

• Selected OMC Cobra and Volvo Penta 3.0L packages using the equivalent straight-bolt GM starter arrangement

• HP Range: Approximately 110HP-200HP depending engine family

• Engine Type: GM inline-four or inline-six marine petrol engine

• Year Range: Approximately 1963-1998

• Flywheel/Mounting: 12.75-inch flywheel and straight-across lower bolts

🔌 Function

The starter cranks the flywheel while the conversion bracket and hardware position the later eleven-tooth motor correctly on engines originally fitted with 50-806965A4.

Common signs of failure:

• Solenoid clicks without cranking

• Slow cranking despite correct battery voltage

• Starter pinion grinds or does not mesh correctly

• Starter remains engaged after start-up

• Cracked or incorrect mounting hardware causes misalignment

📦 Condition

• Brand-new aftermarket starter conversion kit

• Supplied with the replacement starter and application-specific installation hardware

• Confirm flywheel size, straight bolt pattern and original 50-806965A4 starter before installation