VOLVO BUSHING 853861

Function and technical context

This original Volvo Penta bushing acts as a guiding and supporting element in the engine's mechanical assembly, ensuring correct alignment between moving and static parts to maintain design dimensional tolerances. It works integrated into the transmission and internal coupling system of the propeller, where it absorbs radial loads and reduces friction between surfaces in continuous contact. Being an original factory replacement part manufactured to Volvo Penta technical specifications, it guarantees a precise fit that generic bushings cannot always offer. Its deterioration causes progressive clearances that result in abnormal vibrations, accelerated wear of adjacent components and, in advanced cases, loss of propeller performance or structural damage to the entire marine transmission.

When to replace this part?

The most common symptoms of a worn bushing include clunking or knocking noises at low rpm, noticeable vibrations in the axle or transmission, and excessive play detectable when manually inspecting the assembly. It is recommended to check the condition of this bushing during each seasonal maintenance or whenever the transmission assembly is disassembled for another type of intervention. Replacing this original spare part preventively, before wear becomes critical, avoids chain failures that can be much more expensive to repair, especially if they occur while sailing.

Compatible Volvo Engines

Equivalent manufacturer part numbers