Main Bearings - Standard - Set fits John Deere 1020 2020 2030 2510 2520 AT21139

Main Bearings, Standard, Set for John Deere 1020, 2020, 2030, 2510, and 2520

This standard main bearing set is an aftermarket replacement component identified by reference number AT21139. Main bearings support the crankshaft within an engine and are commonly selected by engine model, journal size, and bearing set configuration. The title indicates a standard size set, so verify the required size and complete engine or equipment model before ordering.

Product Details

• Product Type: Main bearings
• Size: Standard
• Quantity: Set
• Reference Number: AT21139

Fitment & Compatibility

• John Deere 1020
• John Deere 2020
• John Deere 2030
• John Deere 2510
• John Deere 2520

Frequently Asked Questions

Q: What does standard mean for this main bearing set? A: Standard indicates the bearing size listed in the title; confirm the engine's required bearing size before purchase.

Q: Which reference number identifies this set? A: The title lists reference number AT21139.

This is an aftermarket replacement part. Confirm fitment before purchase.