We offer a brand new genuine Honda brush cutter gearbox for all UMK422 and UMK422K1 models.. The Honda part number for this gear box assembly is 41100-VL1-633, and it comes fully assembled, just as shown above, so all you have to do is bolt it on to your drive shaft, bolt on the blade, and you're good to go!
If you are not COMPLETELY certain as to the exact model of your trimmer, please contact us with your complete serial number before making your purchase. We will be happy to verify what you need. Replace your worn-out gear box and be back in business!
This is a special order item that typically ships in about 5 business days.
