Idler Gear Assembly 280-842 for John Deere

OEM / REF: 280-842SKU: pilotpart446221

V-Idler Pulley AM138080 AUC11238 AM134502 For John Deere X300 X300R X304 X05R X310 X320 X360 X370 X380 X390 X394 X584 is a Idler Gear Assembly replacement part indexed for John Deere s: Fit For John Deere Tractor: X300, X304, X310, X320, X324, X330, X340, X350, X354, X370, X380, X384, X390, X394, X584 and John Deere...

Stock
In stock
Condition
New
Fitment
John Deere Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Idler Gear Assembly Description

This Idler Gear Assembly is indexed for John Deere s: Fit For John Deere Tractor: X300, X304, X310, X320, X324, X330, X340, X350, X354, X370, X380, X384, X390, X394, X584; John Deere s: Fit For John Deere Tractor: X300 Select Series, X300R Select Series, X304 Select Series, X305R, X310, X320 Select Series, X324 Select Series, X330, X340 Select Series, X350, X350R, X354, X370, X380, X384, X390, X394, X584. Compare reference number 280-842 against the label on your existing John Deere component before ordering.

Additional cross references on file: AM134501, AM134502, AM138079. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • John Deere s: Fit For John Deere Tractor: X300, X304, X310, X320, X324, X330, X340, X350, X354, X370, X380, X384, X390, X394, X584
  • John Deere s: Fit For John Deere Tractor: X300 Select Series, X300R Select Series, X304 Select Series, X305R, X310, X320 Select Series, X324 Select Series, X330, X340 Select Series, X350, X350R, X354, X370, X380, X384, X390, X394, X584

Fitment Notes

Brand or application signal
John Deere Engine Spare Parts
Product family
Idler Gear Assembly
System category
Engine Spare Parts > Block & Internal Parts > Idler Gear Assembly
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.