1698678 Volvo FM9 D9A Compressor Connecting Rod

What does a connecting rod do?

The compressor connecting rod acts as the vital link within an air brake compressor, joining the crankshaft to the piston to facilitate the compression stroke. This component is essential for maintaining consistent air pressure within the pneumatic braking system of heavy commercial vehicles. High-quality construction ensures it withstands the high-pressure cycles required during continuous operation.

Vehicle and engine compatibility

This specific part is engineered for Volvo FM9 trucks, specifically those utilizing the D9A engine variants such as the FM 9/260, FM 9/340, FM 9/380, and FM 9/300 models. It provides a precise fitment to ensure the compressor operates at its intended capacity without mechanical failure.

Installation and maintenance

For workshop technicians, ensuring correct installation is vital to maintain proper bearing clearances and lubrication. Regular inspection of the connecting rod during compressor overhauls can prevent secondary damage to the crankshaft or piston assembly. Proper maintenance helps preserve the overall efficiency of the vehicle's air supply system.

Troubleshooting and selection

Consult your authorized distributor.

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.