One New Aftermarket Replacement Belt Tensioner for John Deere Tractors, Cotton Pickers, and Construction Equipment
This spring-loaded automatic belt tensioner keeps the engine accessory drive belt at proper tension throughout its service life. It mounts on the engine block and applies consistent pressure to the belt drive system, helping prevent belt slip, premature belt wear, and failures that can lead to overheating or loss of hydraulic pressure. This part replaces OEM number RE52490 and the updated superseding number RE170084.
Compatible Models
John Deere Tractors (7000 Series): 7200, 7210, 7400, 7410, 7510, 7610, 7710, 7810, 7815, 7720, 7820, 7920
John Deere Tractors (8000/9000 Series): 8120, 8120T, 8220, 8220T, 8320, 8320T, 8420, 8420T, 8520, 8520T, 9120, 9220, 9300T, 9320, 9320T, 9400T, 9420, 9420T, 9520, 9520T, 9620, 9620T
John Deere Cotton Picker: 9970
John Deere Sprayers: 4720, 4920
John Deere Combines: 1450 CWS, 9560 STS, 9650 STS, 9660 STS, 9750 STS, 9760 STS
John Deere Construction and Industrial: 450CLC, 744H, 744J, 824J
John Deere Forage Harvesters: 6125AF001, 6125HF070, 6135HF475, 6135HF485, 6650, 6750, 6850, 6950
Replaces Part Number(s):
RE52490, RE52490-A, RE170084, RE170084-A, 89401, CSL60-0009
Aftermarket Interchange Numbers
RE58852, RE68716, RE70535, RE518097
New aftermarket replacement part – not remanufactured, not used.
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