✓ **Replacement OEM Part Numbers:** This pulley-idler, flat, serves as a replacement for Toro/Exmark parts 106-2175, 132-9420, and Rotary part 12901.

✓ **Compatible Mower Models:** This mower pulley is designed to be compatible with a range of mowers, including Toro TimeCutter models SS5000, SS5035, SS4225, SS4235, ZX480, Z5000, Z4200, MX4260, MX5060, Exmark models 42" Quest, 42" Quest E-Series, 42" Quest S-Series, 50" Quest, 50" Quest E-Series, 50" Quest S-Series, and 54" Quest E-Series, as well as Lawn Boy 81228 Precision Z310 and more. It's suitable for decks of 32, 38, 42, 50, and 54 inches.

✓ **Application:** This mower deck idler pulley plays a crucial role by attaching to the idler bracket, applying tension to the v-belt. This tension engages the belt, ensuring efficient transmission power for your zero turn mower, riding mower, lawn tractor, garden tractor, snowblower, snow thrower, and more.

✓ **Dimensions:** With an inner diameter (ID/Bore) of 3/8", outer diameter (OD) of 4 1/8", and height (H) of 1 7/16", this idler pulley provides accurate specifications. Please allow for a slight 0.4"-0.8" variance due to manual measurement.

✓ **Package Included:** The package includes one flat idler pulley made of durable metal. The pulley is securely packed in a box to prevent damage during transportation.