John Deere AH170234 Idler Pulley Assembly

The John Deere AH170234 idler pulley is a genuine OEM component designed to maintain proper belt tension and alignment in the drive systems of John Deere combine harvesters. It features a groove width of 50.8 mm and a unit weight of approximately 2.02 kg. The pulley is constructed from heavy-duty steel with a painted green or galvanized finish for corrosion resistance in agricultural environments. This part serves as a direct replacement for OEM number AH170234 and is compatible with John Deere combine models including the 9560 STS, 9650 STS, 9660 STS, 9750 STS, 9760 STS, 9860 STS, and 9880 STS, as well as S600 and S700 series combines. It fits engine configurations such as the 6081 and 6090 series power units. Aftermarket cross-references include Ever-Power SKU JD5018 and Fidel Group SKU JD5020.