SILENT LOCK 688-44514-00 REC688-44514-00

Function and technical context

The 688-44514-00 silemblock is an elastomeric suspension and vibration isolation element that is an integral part of the engine mounting system on the boat. This component absorbs and dampens the vibrations transmitted by the powertrain, significantly reducing the transfer of noise and motion to the hull structure and the interior spaces of the cabin. Its deterioration causes a notable increase in vibrations throughout the structure, dull noise in the cabin, possible misalignment of the drive shaft and, in advanced cases, progressive damage to adjacent supports and systems connected to the engine such as cooling and lubrication.

When to replace this part?

Symptoms of silemblock wear include a noticeable increase in vibrations in the boat's structure, especially at idle or under load, as well as clunking or creaking noises coming from the engine mount. It is recommended to inspect this component during the annual maintenance of the navigation season and replace it preventively if it presents cracks, loss of elasticity or permanent deformation, since delay in its replacement can cause more costly breakdowns in the transmission and cooling systems.

Engine Compatibility

Equivalent manufacturer part numbers