AT20728 AE31724 Inner Outer Air Filter Kit for John Deere 301A 300B 401B

Product Overview

This aftermarket replacement inner and outer air filter kit is intended for the listed John Deere 301A, 300B, and 401B applications and includes the part number references AT20728 and AE31724. Air filters help remove contaminants from intake air before it enters the engine.

Key Features & Performance

• Inner and outer air filter kit configuration as identified in the title
• Helps remove dirt and other contaminants from engine intake air
• References part numbers AT20728 and AE31724 for comparison
• Intended for servicing the air intake system on the listed equipment models

Fitment & Compatibility

• for John Deere 301A applications
• for John Deere 300B applications
• for John Deere 401B applications

Common Uses

• Replacing worn, dirty, or damaged air filter components
• Routine maintenance of the engine air intake system
• Servicing the air filtration system when the existing filters require replacement

Technical Specifications

• Product Type: Inner outer air filter kit
• Part Number(s): AT20728, AE31724
• Model Application(s): John Deere 301A, 300B, 401B
• General Application: Engine air intake filtration

Frequently Asked Questions

Q: What does an air filter do? A: An air filter helps remove contaminants from the air entering an engine, supporting the normal function of the intake system.

Q: How should fitment be verified? A: Compare the complete part numbers AT20728 and AE31724 with the existing part and confirm the equipment model is John Deere 301A, 300B, or 401B before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.