Idler Pulley Fits JD | Aftermarket AH97031.

Description:
Heavy-duty aftermarket idler pulley designed to replace OEM AH97031 on JD combines. Precision-machined to maintain correct belt alignment and tension in multiple drive systems within the combine.

Type: Idler pulley – flat belt drive
Replaces OEM: AH97031
Function: Supports belt drives by guiding or tensioning the belt, ensuring smooth rotation and proper tracking for feeder-house, tailings, or conveyor systems in combines.
SKU: DCP-AH97031
Dimensions: Approximate outer diameter 203 mm; bore approx. 16.2 mm; groove width approx. 25.4 mm; overall width approx. 36.5 mm; mounting specifics must be confirmed per machine serial.
Weight: Not formally published; list as “weight available on request”.
Value: Factory to Farmer pricing — tough build, honest price
Fits Models: JD combines including 9400 series, 9500 series, 9550, 9600, 9650, 9660, 9670 STS; S-Series S550, S650, S660; standard applications where belt drives are used — confirm serial-specific fitment.