20701801 S3 Volvo FM12 D12C Compressor Crankshaft Flange

What does a crankshaft flange do?

This crankshaft flange is a vital component designed to facilitate the drive connection within the air brake compressor assembly. It ensures the stable transmission of torque required to maintain consistent air pressure for the vehicle's braking system. Built from high-strength components, it is designed to withstand the rigorous mechanical stresses found in heavy commercial vehicle operations.

Vehicle and engine compatibility

This specific part is compatible with Volvo FM12 trucks, including variants such as the FM 12/380, FM 12/460, FM 12H/340, FM 12H/380, FM 12/420, FM 12/340, and FM 12H/420 featuring D12C engines. It serves as a reliable replacement for original equipment parts used in these high-performance engine configurations.

Installation and maintenance guidance

For successful installation, technicians should verify the pilot diameter, bolt hole circle, and hole count against the existing unit. Ensuring the seal seat size and flange thickness match the original specifications is essential to prevent premature leakage or excessive vibration during compressor operation.

Selection and troubleshooting

Proper selection of this component prevents system failures in the pneumatic circuit. Always check the compressor type or casting number to ensure exact match with the installed unit. Consult your authorized distributor.

OE cross-reference

13 01 13 (Compressor Crankshaft Flange) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20701801S3.