Mercury – Quicksilver Serpentine Belt Idler Pulley | For MerCruiser Engines | 807757T MerCruiser-5-7L-MPI-Towsports-2012 Box Dimensions: 4"H x 8"W

Box Dimensions: 4"H x 8"W x 9"L WT: 1 lbs

Constructed from high-quality materials

Has transparent housing and stainless steel mesh filtering screen

25 Dia - 20 Pitch - LH Rotation - MAR-GYT3B-L4-20

OEM dual engine harness kits ensure both sides share the same resistance and signal timing

Mercury – Quicksilver Serpentine Belt Idler Pulley | For MerCruiser Engines | 807757T MerCruiser-5-7L-MPI-Towsports-2012 Box Dimensions: 4"H x 8"WMercury Quicksilver Serpentine Belt Idler Pulley For MerCruiser Engines 807757T Overview Smooth, steady belt operation keeps your boats vital systems running right and the Mercury Marine 807757T Quicksilver Idler Pulley helps make that happen. Designed for MerCruiser 4. 3L, 5. 0L, 5. 7L, 6. 2L, and 8. 2L sterndrive and inboard engines made by General Motors, this OEM pulley guides the serpentine belt while maintaining proper tension and alignment.