A339 and 03902 numbers interchange. countershaft to gearbox belt. I hope photo of mower explains which belt. Probably the easiest way to explain is the belt is by far the longest belt on the mower.
This product would be ideal for homeowners who need to maintain and prolong the lifespan of their Allen National mower.
![Allen National 68 mower side cutting belts 03931 [ one pair ] made with Kevlar](https://images.buynet.work/thumb.php?i=380888561&s=240)
![Allen National 68 mower side cutting belts 03932 [ one pair ] [ older model ] .](https://images.buynet.work/thumb.php?i=380888746&s=240)
![Allen National 68 mower side cutting belts 03931 [ one pair ]](https://images.buynet.work/thumb.php?i=381946495&s=240)
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