1 Cyl Intake Exhaust Valves for John Deere Engines 3029D 3029D/T 3029T 4039D Please review the images / compatibilty to ensure you are ordering the correct part! Replaces Part Numbers: JOHN DEERE INTAKE R98062, R530602, DZ104330 EXHAUST R515092, R530603 Dimensions: Intake: Length: 134.77 mm Valve Head Diameter: 46.6 mm Valve Stem Diameter: 7.9 mm Exhaust: Length: 133.65 mm Valve Head Diameter: 42.5 mm Valve Stem Diameter: 7.9 mm Compatible Engine Codes: 3029D, 3029D/T, 3029T, 4039D 4039T, 4045D, 4045T, 6059T PowerTech 3029D 6v, PowerTech 3029H 6v, PowerTech 3029TAT 6v, PowerTech 3029TPY 6v PowerTech 4045DJ 8v, PowerTech 4045DL 8v, PowerTech 4045DP 8v, PowerTech 4045DR 8v PowerTech 4045H 8v, PowerTech 4045HAT 8v, PowerTech 4045HL 8v, PowerTech 4045HLV .