OEM / REF: AH11221SKU: pilotpart181880
12V 90A Alternator AH11221 for John Deere Combines 4400 4420 6600 6602 6620 6622 7700 7720 is a Alternator replacement part indexed for John Deere 6600 · 329 Diesel and John Deere 6600 · 404 Diesel, with 3 application records on file. Match OEM part number AH11221 and confirm fitment for John Deere Engine Spare Part...
This Alternator is indexed for John Deere 6600 · 329 Diesel; John Deere 6600 · 404 Diesel; John Deere 6620 · 466 Diesel; John Deere 7700 · 404 Diesel. Compare reference number AH11221 against the label on your existing John Deere component before ordering.
Additional cross references on file: AH112211, TY6653, TY6748. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Voltage | 12V |
|---|---|
| Amperage | 90A |
| Part Number (John Deere) | AH11221, AH112211, TY6653, TY6748 |
| Part Number (Elpar) | 022603679 |
| Part Number (Motorola) | 10-242, 8MR2030T, 8MR2030TC |
| Part Number (Prestolite) | 110-242, 110-537, 110-570 |
| Part Number | John Deere: AH11221, AH112211, TY6653, TY6748 Elpar: 022603679 Motorola: 10-242, 8MR2030T, 8MR2030TC Prestolite: 110-242, 110-537, 110-570 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
