This is a new steering rack and pinion assembly for a John Deere Gator. Replaces OEM # AM135374. Manufactured with high quality steel to increase durability. Engineered to meet or exceed OEM specifications. Comes with everything you see pictured. Steering Rack and Pinion Assembly for John Deere Gator HPX & Gator 620i & 850D. It fits the following models. We are experts in the field of ATV & UTV drive line products. Unlike others, we have the expertise to insure that our buyers get the correct parts and help with installation or troubleshooting. ATV Parts Connection, LLC 10555 Guilford Rd #113 Jessup, MD 20794 American owned and operated for over 20 years.