20569224 S3 Crankshaft Flange for Volvo VNL D12

What does a crankshaft flange do?

This crankshaft flange serves as a critical component within the air brake compressor assembly, ensuring the stable transmission of motion from the crankshaft to the compressor mechanism. Manufactured with high-strength components, it is designed to withstand the high-pressure and high-vibration environments typical of heavy-duty engine operations.

Vehicle and engine compatibility

This part is compatible with Volvo VNL trucks equipped with D12 engines. It serves as a reliable replacement component for maintaining optimal pneumatic pressure within the braking system of these heavy commercial vehicles.

Installation and maintenance guidance

During installation, technicians should verify the pilot diameter and bolt hole configuration against the existing unit to ensure a precise fit. Proper alignment is essential to prevent premature leakage or excessive vibration in the compressor assembly.

Troubleshooting and inspection

Regular inspection of the flange and its mounting points can help prevent unexpected downtime in fleet operations by identifying wear before it leads to system failure.

OE cross-reference

13 01 13 (Compressor Crankshaft Flange) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20569224S3.