The Engine Idler Support Bushing 865193 is a high-quality replacement for select MerCruiser sterndrive and inboard engines. Made of marine-grade aluminum, it is designed for maximum corrosion resistance and a long service life. Specifically engineered for engines with serpentine belts, it works with various idler pulleys to keep your engine running at peak performance.
- Fits MerCruiser 5.0L, 5.7L, and 6.2L GM-based engines
- Specifically for use with serpentine belt idler pulleys
- Manufactured from marine-grade aluminum for superior durability
- Easy to replace with common tools during belt service
- Produced to Mercury Marine original equipment manufacturer specifications