MFWD idler gear supports smooth rotation and power transmission within John Deere drivetrain systems, helping maintain reliable machine performance
Alloy steel construction provides strength and durability for demanding drivetrain applications
Wear-resistant gear teeth help extend service life by maintaining precise engagement under load
OEM-compatible design allows straightforward replacement and proper alignment with existing components
Quiet, reliable operation contributes to reduced vibration and consistent drivetrain function
For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.
3B-404
3B-454
3B-484
3B-504
354
404
454
484
4035B
Return Information
Return Items identified as ‘Eligible for Return’ are eligible
for refund within 30 days of invoicing. Returned Items must be
returned in new condition and in its original packaging with
all paperwork including manuals, assembly instructions and
your packing slip. Parts must be returned to the seller listed
on your e-commerce invoice. Return eligibility & processing
will be verified by the dealer at time of return. View Return Policy for complete information.
Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.