JA392595, JAC392595, 582710 Jacobsen Pulley - Single

Pulley, Center 1.30"ID x 4.50"OD , 3 mount hole .39"ID. 1/2" Belt size.

Pulley, Single V belt. .50"ID x 4.00"OD, W/ threaded set screw. Belt groove is 3/8" wide at top of V. New OEM Simplicity Pulley part number 157229.

PULLEY, Alternator (K) and possibly other models as well. .67"ID x 1.18" thick. Top of belt groove .34" wide.

Mayrath Pulley 1.00"ID x 4.00"OD.  No part numbers. Pictured are both the 3.50" and 4.00".

Pulley, Single V Pulley. Cast Metal. 6.00"ID with 3 holes to mount. Uses a press in bearing, not included. New OEM Simplicity Pulley part number 1664663. Free Shipping.