tightening the fittings securely to prevent leaks
Apply marine-grade grease to the U-Joint and gimbal bearing as specified in your service manual
Test: Start the engine and let it run for a few minutes while continuing to check for leaks
run the engine in a test tank or on-water
Outer Plate (6H3-44324-A0-00)
865598 Serpentine Belt Pulley for MerCruiser | JLM Marine family-yamaha-f15eshd tightening the fittings securely toSerpentine Belt Pulley for MerCruiser Fits 4. 3L, 5. 0L, 5. 7L, 5. 8L, 6. 2L, 8. 1L Engines This Serpentine Belt Idler Pulley is designed for MerCruiser inboard and stern drive engines, including 4. 3L, 5. 0L, 5. 7L, 5. 8L, 6. 2L, and 8. 1L models with Alpha and Bravo drives. Engineered to maintain proper belt tension and reduce vibration, this flat idler pulley ensures reliable performance in demanding marine environments. This aftermarket pulley