AM124346 Flat Idler Pulley Replacement for John Deere Mower Decks
AM124346 Flat Idler Pulley Replacement for John Deere Mower Decks
Overview
This aftermarket AM124346 flat idler pulley is a replacement mower deck pulley for compatible John Deere mower deck applications.
Use this listing when your original pulley number matches AM124346. This pulley has 98.4 mm - 3 7/8 in outside diameter, 7.93 mm - 5/16 in bore.
Key Features
- Product Type: Flat Idler Pulley
- Outside Diameter: 98.4 mm - 3 7/8 in
- Bore / Center Hole: 7.93 mm - 5/16 in
- Aftermarket replacement pulley for mower deck belt-drive systems
- Use for compatible John Deere mower deck applications
Compatible Brands & Model Series
Common compatible model paths include:
- John Deere: Tractors GT Series GX255 GX325 GX335 GX345 GX355
- John Deere: Tractors 240 245 260 265 285 320 325 335 345 355D
- John Deere: X500 X520 X530 X540 X570 X580 X590
- John Deere: LT133 LT150 LT155 LT160 LT166 LT170
- John Deere: LT180
- John Deere: 717A 727A 737 757 777 797 997
- John Deere: 717A Mini-Frame ZTrak
- John Deere: 727A Mini-Frame ZTrak
- John Deere: 737 Mid-Mount ZTrak
- John Deere: 757 Mid-Mount ZTrak
- John Deere: 777 Max-Frame ZTrak
- John Deere: 797 Max-Frame ZTrak
- John Deere: 997 Mid-Mount ZTrak
Replaces OEM Part Numbers
- AM124346
Common Symptoms of a Worn Deck Pulley
- Mower deck belt squealing, slipping, or jumping off track
- Visible pulley wobble or uneven belt tracking
- Grinding, rattling, or bearing noise near the deck pulley
- Reduced blade speed or inconsistent cut quality caused by poor belt tension
Why Buy From PTO Direct USA?
- Fast USA shipping
- Fitment-focused replacement parts support
- Clear part-number matching to help reduce wrong-part orders
- Replacement mower deck parts for homeowners, shops, and landscape crews
Need Help Confirming Fitment?
If you are not sure this is the correct pulley, send us your mower model number, deck size, and the part number from your original pulley. We can help compare the replacement path before you order.
FAQ
How do I confirm this pulley fits my mower?
Start by matching the OEM pulley number on your original part. Then compare the outside diameter, bore or center-hole size, pulley width, belt profile, deck layout, and mower model.
Can I order by appearance alone?
No. Similar-looking deck pulleys can have different bore sizes, offsets, belt profiles, and deck applications. Match the part number and dimensions first.
What causes a mower deck pulley to fail?
Common causes include worn bearings, belt misalignment, impact damage, seized hardware, or long-term wear from deck belt tension.
Need another pulley? Browse the full mower deck pulley collection for additional replacement options.