Product Overview Used on 3/4 and 1/2 horse power cooler motors with 1/2" shaft diameter. Cast Iron Variable Motor Pulleys 3-3/4" x 1/2"- 1/2 or 3/4 HP (same as 1VL40) Replaces part #5X274 and P5-100-1. Reviews (2 reviews) Write a Review 2 Reviews Hide Reviews Show Reviews 5 Pully Posted by Airpro on Apr 9th 2021 Thank you for the fast delivery and good quality. 5 sheave Posted by Doug Manke on Aug 6th 2020 good quality and price. Thanks for having the right part in stock.