It indicates that an engine meets the California Air Resources Board (CARB) 2008 exhaust emission standards
Housing Material: Durable bronze construction
and V8 engines from 1986–1993
It is engineered to restore cooling efficiency and prevent engine overheating
and DF50 models
Serpentine Belt – Fits MerCruiser V8 5.0L, 5.7L, 6.2L & 7.4L Engines (Replaces 57-865615Q06, 865615006) 130-425HP 135-425HP It indicates that an engineProduct Details This is a direct replacement Serpentine Belt Fits MerCruiser V8 5. 0L, 5. 7L, 6. 2L & 7. 4L Engines, specifically designed for MerCruiser V8 models including 5. 0L, 5. 7L, and 6. 2L Bravo Alpha engines (20022004) as well as 7. 4L 454 Mag MPI engines (19982001). It ensures reliable power transmission for engine accessories. It serves as a direct interchange for Mercury part numbers 57 865615Q06, 865615006, 57 8638766, and 57 8610491.