<br>Replaces OEM Part Number: <br /> <br>Oregon 72-038<br /> <br>Kubota K5668-42100<br /> <br> Fits models: <br /> <br>Fits Kubota Models: D321 ZD326 DECKS With a 60" & 72" Deck<br /> <br>Specs: <br /> <br>Hub: 3 5/8" Bore Size: 5/8" OD: 5"<br />