John Deere Zero Turn Z335E Belt Tension Extension Spring Replacement How To

John Deere had a bad batch of tension springs that would break easily and need changed often. They have updated the part with a USA made spring that will hopefully work better. The old part number is UC27888, which has been replaced by part number GX25978. You can buy this genuine Deere part here (Amazon Paid Link) https://amzn.to/3wpCFgy