Brand New, Genuine Mountfield SP 470 Lawn mower Gearbox / Transmission Tensioning Spring. As fitted to all SP470 + SP470 ES + 480T SP Mountfield Mowers and hooks on to a small "eye" on the gearbox then on to the back body of the machine holding tension on the belt. If your belt keeps coming off, its probably this spring causing it!
Unsure if this is the correct Spare Part for your Lawnmower? Just Contact Us with as much Lawn Mower Serial / Product Numbers as possible and we will identify the right one for you. Alternatively, just give us a call on 0191 4692020.