RUBBER PROTECTOR 822158

Function and technical context

This rubber protector is a structural protection component that protects critical engine elements against impacts, vibrations and adverse environmental factors in navigation. Integrated into the mechanical systems of Mercury, Mariner and Mercruiser engines, it acts as a shock absorber and thermal insulator in high wear areas. Its function is essential to preserve the integrity of internal and external components, avoiding premature deterioration due to friction, saline humidity and continuous exposure to the marine environment. A degraded protector compromises the tightness of the engine and facilitates the entry of water and contaminants into the work areas.

When to replace this part?

Replacement is recommended when you notice cracks, material peeling, excessive discoloration or loss of elasticity in the rubber. Although it does not have a fixed maintenance interval like other consumables, it is advisable to check its condition during each seasonal maintenance and after navigation in extreme conditions or waters with high saline concentration. Preventive replacement of the protector at intervals of 3-5 years prevents costly secondary problems and ensures optimal engine performance on long voyages.

Compatible Mercury Mariner Engines

Equivalent manufacturer part numbers