14091599N Mercruiser Flywheel | Genuine Used Part

🔧 Product Description

Genuine MerCruiser GM 14-Inch 168-Tooth Flywheel - Part Number: 14091599N

A genuine used GM marine flywheel for selected MerCruiser V6 and small-block V8 petrol engines using a one-piece rear main seal.

This 14-inch, 168-tooth flywheel mounts to the rear of the crankshaft, carries the starter ring gear and provides the rotating mounting surface for the MerCruiser engine coupler. Casting number 14091599N corresponds with the Mercury MerCruiser 9520001 and 8M0047213 flywheel family.

⚙️ Key Features

• Genuine GM / MerCruiser marine flywheel

• 14-inch outside diameter

• 168-tooth starter ring gear

• Suits one-piece rear main seal crankshafts

• Compatible with selected 4.3L, 5.0L, 5.7L and 6.2L MerCruiser engines

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 222-8M0047213 → Supersedes 222-9520001

• 222-9520001 → Earlier Mercury MerCruiser flywheel reference

• 222-9520 earlier shortened Mercury service reference

OEM / Related Numbers:

• 14091599N

• 14091599

• 14088648

• 10105832

• 93433010N

• 93419732

• 222-8M0047213

• 8M0047213

• 222-9520001

• 9520001

• 222-9520

• 9520

• Mercury / MerCruiser: 200-8M0135884

• Mercury / MerCruiser: 8M0135884

• Volvo Penta: 3853958

• Volvo Penta: 855833

• Crusader: 138010

Aftermarket / Verified Equivalents:

• Marine Engines 4 Less: MMR4519S

• Marine Spare Parts / Repower Marine: RM14

• Marine Engines 4 Less: 222-8M0047213 replacement flywheel

🚤 Compatibility

Commonly used on:

• MerCruiser GM V6 and small-block V8 marine engines

• Sterndrive and inboard engines using a 14-inch 168-tooth flywheel

• Engines fitted with a one-piece rear crankshaft seal

Typically suits:

• Engine models:

• MerCruiser 4.3L GM V6 with balance shaft and one-piece rear main seal

• MerCruiser 4.3LX GM V6

• MerCruiser 4.3L EFI and MPI

• MerCruiser 5.0L GM 305 V8

• MerCruiser 5.0LX GM 305 V8

• MerCruiser 5.0L EFI and MPI

• MerCruiser 5.7L GM 350 V8

• MerCruiser 5.7LX GM 350 V8

• MerCruiser 5.7L EFI and MPI

• MerCruiser 350 MAG and 350 MAG MPI

• MerCruiser 350 MAG MPI Tournament Ski

• MerCruiser Scorpion 350 and Scorpion 377

• MerCruiser 6.2L MPI and MX 6.2L MPI

• MerCruiser 377 MAG MPI applications using flywheel 8M0047213

• HP Range: Engine-output dependent

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

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

🔌 Function

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

Common signs of failure:

• Damaged or missing starter-ring teeth

• Starter motor grinds or fails to engage

• Cracks around the crankshaft mounting holes

• Excessive vibration from a distorted or incorrect flywheel

• Worn engine-coupler mounting surface

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated