Description Reviews Q&A JOHN DEERE 4030 - 4630 LOWER KIT - RH UNDER SEAT FITS: 4030, 4230, 4430, 4630 SPECIFY CAB SERIAL # < = 63,623 *1975 IS THE SPLIT* CAB S.N. IS LOCATED ABOVE LH DOOR. Interior Upholstery Kit is pre-cut, complete and ready to install with instructions.