222-8M0047213 14091599N Mercruiser GM Flywheel | Genuine Used Part

🔧 Product Description

Genuine MerCruiser GM 14-Inch 168-Tooth Flywheel - Part Number: 222-8M0047213

A genuine used GM marine flywheel for selected MerCruiser 4.3L V6 and 5.0L, 5.7L and 6.2L small-block V8 petrol engines fitted with a one-piece rear crankshaft seal.

This 14-inch flywheel uses a 168-tooth starter ring gear and casting number 14091599N. It mounts to the crankshaft, carries the starter ring gear and provides the mounting surface for the sterndrive engine coupler.

⚙️ Key Features

• Genuine GM / MerCruiser marine flywheel

• 14-inch diameter with 168-tooth ring gear

• Casting number 14091599N

• Suits one-piece rear-main-seal crankshafts

• Compatible with selected V6 and small-block V8 marine engines

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 222-8M0047213 → Supersedes 222-9520001

• 222-9520001 → Supersedes 222-9520

• 222-9520 earlier Mercury MerCruiser flywheel reference

OEM / Related Numbers:

• Mercury MerCruiser: 222-8M0047213

• Mercury MerCruiser: 8M0047213

• Mercury MerCruiser: 222-9520001

• Mercury MerCruiser: 9520001

• Mercury MerCruiser: 222-9520

• Mercury MerCruiser: 9520

• GM Casting: 14091599N

• GM Casting: 14091599

• GM Casting: 14088648

• GM: 10105832

• GM: 93433010N

• Volvo Penta: 3853958

• Volvo Penta: 857223

• Crusader: 138010

Aftermarket / Verified Equivalents:

• Marine Engines 4 Less: MMR4519S

• Repower Marine: RM14

• GM-compatible 14-inch 168-tooth marine flywheel for one-piece rear-main-seal engines

🚤 Compatibility

Commonly used on:

• MerCruiser Alpha and Bravo sterndrive engines

• MerCruiser inboard and tow-sports engines

• GM marine engines using the later one-piece rear main seal

Typically suits:

• Engine models:

• MerCruiser 4.3L V6 with balance shaft

• MerCruiser 4.3LX

• MerCruiser 4.3L EFI

• MerCruiser 4.3L MPI

• MerCruiser 5.0L and 5.0LX

• MerCruiser 5.0L EFI and MPI

• MerCruiser 5.7L and 5.7LX

• MerCruiser 5.7L EFI and MPI

• MerCruiser 350 MAG

• MerCruiser 350 MAG MPI

• MerCruiser Scorpion 350

• MerCruiser Scorpion 377

• MerCruiser 6.2L MPI

• MerCruiser 377 MAG MPI

• HP Range: Engine-output dependent

• Engine Type: GM 4.3L V6 and 5.0L, 5.7L and 6.2L small-block V8 petrol marine engine

• Year Range: Approximately 1987 onward, dependent on crankshaft and rear-seal configuration

🔌 Function

The flywheel stores rotational energy, smooths crankshaft operation, carries the starter ring gear and transfers engine torque through the coupler to the sterndrive or transmission.

Common signs of failure:

• Starter motor grinds or slips

• Missing or damaged ring-gear teeth

• Cracks around crankshaft bolt holes

• Excessive engine vibration

• Flywheel runs out of true

• Coupler mounting holes are damaged

• Corrosion around the crankshaft mounting surface

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated