Stens Gearhead Stihl 4137 640 0100 (Stens 390-050) Rotary Pulley Outer Diameter 6 1/8"

Pulley Outer Diameter 6 1/8"

Hustler Most FasTrak

with Carter carburetors

AYP Most riding mowers

Stens Gearhead Stihl 4137 640 0100 (Stens 390-050) Rotary Pulley Outer Diameter 6 1/8"Stens Gearhead For Stihl 4137 640 0100 (Stens 390 050) Stens Gearhead Stihl 4137 640 0100 Replaces: Stihl 4130 640 0100, 4130 641 0300, 4137 640 0100 Fits Models: Stihl FR130 T, FR220, FR350, FR450, FR460, FR480, FR85, FR85 T, FS100, FS100R, FS110, FS110R, FS110 RX, FS110 X, FS120, FS120 R, FS130, FS130 R, FS200, FS200 R, FS240, FS240 R, FS250, FS250 R, FS25 4, FS260 R, FS44, FS44 R, FS65 4, FS74, FS80, FS80 R, FS83, FS83 R, FS83 T, FS85, FS85 R, FS85