20547525 S3 Crankshaft Flange for Volvo VNL D12

What does a compressor crankshaft flange do?

This crankshaft flange serves as a critical component within the air brake compressor assembly, ensuring the stable rotation and connection of the crankshaft. Built from high-strength components, it is designed to withstand the continuous mechanical stresses found in heavy commercial vehicle environments.

Compatible vehicles and engines

This specific component is compatible with Volvo VNL trucks featuring D12 engines. It is designed to meet the rigorous operational requirements of heavy-duty pneumatic systems, maintaining airtight seals and consistent rotation under pressure.

Installation and maintenance

When performing maintenance or repairs, technicians should verify the pilot diameter and bolt hole circle to ensure a perfect fit. Proper installation prevents excessive vibration and premature seal failure. Consult your authorized distributor for detailed fitment guidance.

Troubleshooting and selection

A worn flange can lead to air leakage or increased engine vibration. Regular inspection of the flange seat and mounting points during compressor servicing is recommended to prevent system downtime.

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.