1698678 Connecting Rod for Volvo FMX D13C

What does a compressor connecting rod do?

The compressor connecting rod is a vital link component in an air brake compressor that joins the crankshaft to the piston. Its primary role is to convert the crankshaft's rotary motion into the piston's compression stroke, which is essential for maintaining stable air pressure within the pneumatic braking system. This part is manufactured using heavy-duty grade materials to withstand high-frequency reciprocating motion.

Compatibility and engine fitment

This specific component is designed for use in Volvo FMX trucks equipped with D13C engines. It ensures reliable performance within the air brake compressor assembly, maintaining the necessary geometry and clearance required for efficient pneumatic operation in heavy commercial vehicles.

Installation and maintenance guidance

For proper installation, technicians should ensure that all bearing clearances are checked against technical specifications. Maintaining correct lubrication within the compressor housing is critical to prevent premature wear of the rod and its connection points. Regular inspection of the connecting rod during compressor overhauls can prevent sudden system failures.

Troubleshooting and inspection

If you notice unusual knocking sounds or a drop in air pressure output, inspect the rod for excessive play or wear.

OE cross-reference

7300 850 003 (Compressor Connecting Rod) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1698678.