{"product_id":"a-ah204389-ai-idler-feed-accelerator-secondary-jackshaft","title":"A-AH204389-AI Idler, Feed Accelerator \u0026 Secondary Jackshaft","description":"\u003ch3\u003eOne New Aftermarket Replacement Idler Pulley for John Deere (John Deere) Combines and Cotton Pickers\u003c\/h3\u003e\u003cp\u003eThis steel flat idler pulley serves the feed accelerator and secondary jackshaft drive system on John Deere STS, WTS, CTS, and S-Series combines as well as John Deere cotton pickers. It maintains proper belt tension in the feeder house sheave assembly, ensuring reliable power transfer through the feed accelerator and secondary jackshaft circuits. Replaces OEM part numbers AH204389 and AH166439.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType: Flat Idler Pulley\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eEffective Diameter: 203.2 mm (8.0 in)\u003c\/li\u003e\n\u003cli\u003eWidth: 67.5 mm\u003c\/li\u003e\n\u003cli\u003eGroove Width: 63.5 mm\u003c\/li\u003e\n\u003cli\u003eBore Size: 16.41 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.89 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Combines - 9 Series STS\/WTS\/CTS:\u003c\/strong\u003e 9470 STS, 9540 WTS, 9540i WTS, 9550, 9550 SH, 9560, 9560 SH, 9560 STS, 9560 WTS, 9560i WTS, 9570 STS, 9580 WTS, 9580i WTS, 9640 WTS, 9640i WTS, 9650, 9650 CTS, 9650 STS, 9660, 9660 CTS, 9660 STS, 9660 WTS, 9660i WTS, 9670 STS, 9680 WTS, 9680i WTS, 9750 STS, 9760 STS, 9770 STS, 9780 CTS, 9780i CTS, 9860 STS, 9870 STS, C670, CTS\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Combines - S Series:\u003c\/strong\u003e S540, S550 (SN 745100-764999), S560, S650 (ASN 785001), S660 (ASN 745100), S670 (ASN 745100), S670 HILLMASTER (BSN 765000), S680 (ASN 745100), S680 HILLMASTER (BSN 765000), S690 (ASN 745100), S690 HILLMASTER (SN 745101-765000), S760, S770, S780, S785, S790\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Combines - W\/T Series:\u003c\/strong\u003e W540, W550, W650, W660, T550, T560, T660, T670\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Cotton Pickers:\u003c\/strong\u003e 7260, 7660, 7760, CP690\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eAH204389, AH166439\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eAMAH204389 (Abilene Machine)\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"AIC Replacement Parts","offers":[{"title":"Default Title","offer_id":44119811162292,"sku":"A-AH204389-AI","price":44.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0249\/8782\/8310\/files\/COG10-0061_01_6bb4759a-e7e6-4812-9d0b-4358007ff5b6.jpg?v=1768013348","url":"https:\/\/www.aicreplacementparts.com\/products\/a-ah204389-ai-idler-feed-accelerator-secondary-jackshaft","provider":"AIC Replacement Parts","version":"1.0","type":"link"}