20798469 Flywheel | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta SAE 1 / 14-Inch Flywheel - Part Number: 20798469

Heavy rotating flywheel used in the d5a flywheel, starter ring gear and clutch coupling. It stores rotational energy, carries the starter ring gear and provides the specified clutch or driven-equipment interface.

⚙️ Key Features

• Manufactured to the original Volvo Penta dimensional and material specification

• Maintains correct fit, alignment and service access in the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine product and serial/configuration before installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20798469 (OEM catalogue reference)

OEM / Related Numbers:

• SAE 1 flywheel-housing configuration

• 14-inch clutch/disc application

• 20405650 starter ring gear

• 21033328 later starter ring gear

• 20459926 flywheel screw

• 21091547 flange

• 20412357 retaining screw

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• D5A flywheel, starter ring gear and clutch coupling

Typically suits:

• Engine models:

• D5A-B TA; D5A-T; D5A-TA

• HP Range: Approximately 100-160 HP, depending on engine rating

• Engine Type: 4.8 L four-cylinder turbocharged marine diesel

• Year Range: Approximately late 1990s-2000s

🔌 Function

Restores the original component function and operating relationship within the designated Volvo Penta assembly.

Common signs of failure:

• Cracks, heat checking or damaged starter-ring teeth

• Excessive runout or vibration

• Loose flywheel fasteners or fretting at the crankshaft flange

• Clutch/driven-equipment engagement problems

• Abnormal starter noise or failure to engage

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging