21514065 Flywheel | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Heavy-Duty Automatic-Transmission Flywheel - Part Number: 21514065

A heavy-duty flywheel used on D13-based Volvo Penta industrial installations with the applicable automatic-transmission package. The assembly is commonly specified with ring gear 20711957 and a 153-tooth starter interface, SAE No. 1 housing geometry, fourteen crankshaft mounting holes and a 6306SSC pilot bearing arrangement.

⚙️ Key Features

• Heavy-duty D13-pattern flywheel

• 153-tooth starter ring-gear configuration

• SAE No. 1 transmission-housing application

• Fourteen crankshaft mounting holes

• Used with ring gear 20711957 and 6306SSC pilot-bearing arrangement

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21514065 (OEM flywheel reference)

OEM / Related Numbers:

• 20711957 - ring gear

• 6306SSC - pilot-bearing reference

• 8x8 left-hand installation-kit arrangement where specified

Aftermarket / Verified Equivalents:

• First Motion Products: FMP-21514065

• Goliath Truck Parts: GTP02523

🚤 Compatibility

Commonly used on:

• Volvo Penta D13-based industrial drivetrain installations with the specified automatic transmission

Typically suits:

• Engine models:

• D13 industrial-engine applications using flywheel 21514065

• Allison 4000-series transmission installations where the catalogue specifies this flywheel

• HP Range: Approximately 500HP - 800HP, depending on engine rating

• Engine Type: 12.8L inline six-cylinder turbocharged industrial diesel

• Year Range: Approximately 2008 - 2020 production-era applications

• Fitment Note: Confirm tooth count, housing size, pilot bearing and transmission arrangement before ordering.

🔌 Function

Provides rotational inertia, supports the starter ring gear and transfers crankshaft torque to the automatic-transmission coupling while maintaining concentricity between the engine and transmission.

Common signs of failure:

• Starter engagement noise or damaged ring-gear teeth

• Vibration caused by imbalance, run-out or incorrect installation

• Cracks around the crankshaft mounting pattern

• Pilot-bearing wear or transmission-input misalignment

• Fretting, loose fasteners or damaged mounting faces

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging