20569224 S3 Crankshaft Flange for Volvo FM12 D12D

What does a crankshaft flange do?

This crankshaft flange serves as a critical component within the air brake compressor assembly, ensuring the proper transmission of motion and stability to the drive mechanism. Designed for heavy commercial vehicle applications, this part is manufactured using high-strength components to withstand the rigorous cycles of a pneumatic system.

Compatible Volvo FM12 models

This component is compatible with Volvo FM12 models, including the FM 12/380, FM 12/460, FM 12H/340, FM 12H/380, FM 12/420, FM 12/340, and FM 12H/420 variants fitted with D12D engines. It functions as an OE-equivalent part for these specific heavy-duty configurations.

Installation and maintenance guidance

When performing maintenance or repairs on the compressor, technicians should verify the pilot diameter and bolt hole circle against the existing unit. Proper installation is vital to prevent premature leakage or excessive vibration within the compressor housing. Check the compatibility list.

Troubleshooting compressor vibration

If you experience unusual noise or pressure drops in the pneumatic system, inspect the crankshaft flange for wear or misalignment to ensure continued vehicle reliability.

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.