How do I confirm Spindle Assembly AM121229 / AM121342 for John Deere 48" and 54" Decks is the correct replacement?

Use the dimensions and application details on this page as the first checkpoint. If your original part number is not shown, compare the mounting style, size, and equipment position before ordering.

What spindle details should match the original assembly?

Match . Also compare shaft style and deck mounting pattern before installation.

Is Spindle Assembly AM121229 / AM121342 for John Deere 48" and 54" Decks an OEM part?

No. This is an aftermarket replacement part. Confirm fit by comparing the dimensions, mounting points, and equipment application with the original part.

What should be inspected during installation?

Clean the mounting area, compare the new part with the removed part, and check nearby wear items before putting the mower back into service.

Spindle Assembly AM121229 / AM121342 for John Deere 48″ and

Name: Spindle Assembly AM121229 / AM121342 for John Deere 48" and
Brand: SYZAGRI
SKU: SYZ-SPA-AM121229
Availability: InStock

SKU:

SYZ-SPA-AM121229

Price excludes delivery and setup | Tax may apply

Center Hole:

Replaces Part No.

John Deere AM121229 John Deere AM121342 Oregon 82-333 Rotary 11278

Compatible Models

• Size: 4 2/3″(119mm) height OD:6 “(152mm) • Fits 54” mower deck parts for 335 Garden Tractor (GT)

Cross Reference

John Deere AM121229 John Deere AM121342 Oregon 82-333 Rotary 11278

Verified Fitment

John Deere 335 garden tractor Deck families: 48″, 54″

Notes

Product type: mower deck spindle assembly Source-stated specifications: height 4 2/3″ (119 mm), OD 6″ (152 mm) Includes zerk fitting according to the source