21912255 Flywheel Housing | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Flywheel Housing - TAD550GE - Part Number: 21912255

Machined flywheel housing for the TAD550GE engine. It encloses the flywheel, aligns the starter/speed-monitor components and provides the precision mounting interface to the generator or driven equipment.

⚙️ Key Features

• Precision engine-to-driven-unit alignment

• Rigid cast housing

• Mounting provisions for starter/sensors/covers

• Protects rotating flywheel components

• Installation and SAE configuration controlled

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21912255 (current listed OEM reference)

OEM / Related Numbers:

• 21912255

• 20547288 - cover plate

• 994442 - flange screw

• 20459989 - cover

• 21912303 - speed sensor / speed monitor

• 22938146 - O-ring

• 20450694 - hex socket screw

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• TAD550GE flywheel and driven-equipment connection

Typically suits:

• Engine / drive models:

• TAD550GE

• HP / Rating: Engine or drive rating controlled by the complete product number

• Engine / System Type: Inline four-cylinder generator diesel flywheel housing

• Year Range: Production configuration controlled; verify by product and serial number

• Serial / Specification Control: Confirm SAE/housing configuration, speed-sensor provision and complete engine serial number.

🔌 Function

Maintains concentric alignment between the crankshaft/flywheel and the attached generator or transmission while enclosing rotating components.

Common signs of failure or wear:

• Cracked housing or mounting flange

• Oil leakage at rear engine joint

• Starter or speed-sensor misalignment

• Fretting at driven-equipment interface

• Excessive runout caused by damaged locating bore

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging