Flat Pulley (Straw-Chopper Idler) Fits JD | Aftermarket AH221938.

Description:
Heavy-duty aftermarket flat pulley designed to replace OEM AH221938 in JD combine straw-chopper drive systems. Manufactured to precise diameter and profile to ensure correct belt tracking and minimal wear under high-capacity harvesting conditions.

Type: Flat pulley / idler pulley – straw-chopper drive system
Replaces OEM: AH221938
Function: Guides and supports the belt driving the straw-chopper assembly, ensuring consistent rotation and tension for clean straw spreading and minimal downtime.
SKU: DCP-AH221938
Dimensions: Approximate outer diameter 203 mm — other bore size, width and mounting details must be confirmed per machine serial number.
Weight: Not officially published; list as “weight available on request” until confirmed.
Value: Factory to Farmer pricing — tough build, honest price
Fits Models: JD combines equipped with straw-chopper systems including 9670 STS, 9770 STS, 9870 STS and relevant S-Series, X9-Series machines — confirm serial-specific fitment.