20547525 S3 Crankshaft Flange for Volvo FH12 D12D

What does a compressor crankshaft flange do?

This crankshaft flange serves as a critical component within the air brake compressor assembly, ensuring the secure connection and alignment of the internal drive mechanism. Designed for heavy commercial vehicle applications, it maintains the integrity of the compression cycle under high pressure.

Compatible vehicles and engines

This specific part is compatible with Volvo FH12 trucks, including models FH 12/340, FH 12/460, FH 12/380, FH 12/420, and FH 12/500 featuring D12D engines. It serves as an equivalent to the original equipment specifications required for these heavy-duty engine setups.

Installation and maintenance

When performing maintenance or repair on the compressor, technicians should verify the flange thickness and pilot diameter against the existing component. Proper installation is essential to prevent excessive vibration or air leakage within the compressor housing.

Troubleshooting and selection guidance

Regular inspection of the flange and its mounting points helps prevent premature wear in the pneumatic system. Check the compatibility list to ensure this component meets your specific engine requirements.

OE cross-reference

13 01 13 (Compressor Crankshaft Flange) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20547525S3.