7800 850 002 Volvo and Scania Compatible Compressor Nut

This compressor nut is a critical fastening component used to secure internal parts such as the crankshaft, pulley, or cylinder head within an air brake compressor. By maintaining constant tension under high pressure, it prevents loosening caused by the continuous vibrations and torque fluctuations inherent in heavy-duty pneumatic systems.

This component is compatible with Volvo trucks such as the FH series, FM series, VNL, and B-series, as well as Renault Trucks models like the Premium and Magnum. It is also designed for use in Mack Pinnacle and Granite models. These parts are compatible with WABCO and Knorr-Bremse compressor systems.

For professional installation, technicians should always refer to the manufacturer's service manual to ensure the correct tightening torque is applied to the mounting flange or connecting rod. Proper installation prevents air leaks and abnormal noise during operation.

Maintaining secure connections in the air brake system is essential for the safety of heavy commercial vehicles. Using high-strength components ensures long-lasting performance during compressor overhauls.

Check the compatibility list.

OE cross-reference

7800 850 002 (Compressor Nut) is the equivalent of the Scania and Volvo OE numbers. This part directly replaces Scania OE number 1315273. It also replaces Volvo OE number 1698672.