R-2485-Lh R-2485-Rh R-2261 Lawn Sweeper Wheel Drive Pinion Kit, Fits Sts-42, Lawn sweeper wheel drive pinion kit for: STS-42, STS-426, STS-420, STS-427. Strong and Durable: The lawn sweeper wheel drive pinion kit is made of carbon steel material, which makes it able to withstand the friction and impact load generated by the lawn mower during the working process. In a lawn mower, gears need to withstand the thrust and friction from blade rotation, and carbon steel gears can meet these requirements. Clear thread: Gear spacing can better adapt to ground changes, reducing vibration and noise problems caused by uneven forces. It can also effectively reduce the accumulation of grass clippings caused by uneven cutting. Maintenance and maintenance: Regularly check and replace the gearbox oil; clean the gearbox and surrounding area of the mower to prevent dust and debris from entering the gearbox and causing wear or failure. Check the gear wear in the gear box. If there is serious wear, replace the new gear in time to avoid further mechanical failure. Package contents: Lawn sweeper wheel drive pinion kit includes: 1-left gear, 1-right gear, 2-pins, and 2 Lock Washers. Check your mower model before buying.