HCNRE520036 Rear Crankshaft Seal w/ Wear Sleeve Fits John DeereOne New Aftermarket Rear Crankshaft Seal w Wear Sleeve Fits John Deere Models: 500, 3010 Rear crankshaft oil seal, gas, LP, diesel, tractors with Engine SN: 1E18292 & up, 3020, 4000, 4010 Rear crankshaft oil seal, gas, LP, diesel, tractors with Engine SN: 2E44800 & up, 4020, 4040, 4050, 4055, 4230, 4250, 4255, 4240, 4320, 4430, 4440, 4450, 4455, 4520, 4620, 4630, 4640, 4650, 4840, 4850, 7020, 8430, 8450, 8570 Tech Info: 5. 000" I. D., 5. 750" O. D. 0.