Genuine OEM K46 Transmission Drive Pulley With One Half Inch Spline Four Point Nine Zero Inch Diameter Bolt On Upgrade For John Deere K46 Series Hydrostatic Compatible Replacement Part
✔️ Bolt-on upgrade for K46 hydrostatic drive; 4.90" dia, 1/2" spline
This genuine OEM drive pulley for K46 hydrostatic transmissions fits John Deere models across K46BR, K46CC, K57AR, and K57Z series. It transfers engine power to the hydraulic pump, establishing drive ratios and reliable operation in lawn equipment.
✅ Part number 1A646025840
✅ Fits John Deere K46BR 0015115-0145601, K46BR 0145602-0160310, K46BR 0160311-0374999, K46BR 0500000-9999999
✅ Fits K46CC 0000001-0008223, 0008224-0011254, 0011255-0074999, 0100000-9999999
✅ Fits K46CC MY18 AIM00000394-AIM99999999, AJZ00000001-AJZ00004150, AJZ00004151-AJZ99999999
✅ Fits K57AR 0000001-9999999, ALC00000001-ALC00008560, ALC00008561-ALC99999999, 0100000-9999999
✅ Fits K57Z 0100000-9999999
| Diameter | 4.90 in (124.46 mm) |
| Spline size | 1/2 in (12.7 mm) |
💡 What is a drive pulley used for in a K46 hydrostatic transmission?
The drive pulley is a handy part that helps transfer engine power to the hydraulic pump and set drive ratios.
- transfers engine power to hydraulic pump - sets drive ratios for consistent speeds - handy replacement part for K46 series transmissions - supports reliable belt alignment and wear reduction ✝️