There are all kinds of olf cart parts that are must-have items. Without these things, you cannot do the essential things like start and run the engine. Elements like the Club Car and Yamaha Clutch-Side Crankshaft Bearing are among those critical parts. There are two of them on the crankshaft. The aforementioned part and a fan-side bearing as well. We have had conversations where the opinion was expressed that one was good enough. This is not the case. Please be aware that the engine may turn over with missing items, but it will not run for long, if at all. You will likely damage more than it's worth in the process, so please make sure you get them both. You don't need the grief that comes with having a caddie torn apart in your garage any longer than you should.This golf cart bearing is not a walk in the park, so to speak, when installing parts. This is a part of what we would consider a significant rebuild. If you have not done this kind of work, weigh at least getting a manual from Buggies Unlimited before diving in.