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SKU:
ZZ3F05537
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AT20728 Outer Air Filter Fit John Deere 302 400 300B 302A 4475 301A 5575 401B
$62.59
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$62.59
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$62.59
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Outer Air Filter for John Deere
The AT20728 outer air filter is a replacement filtration component designed for John Deere equipment, providing clean intake air for optimal engine performance.
Overview
This outer air filter matches the AT20728 OEM cross-reference number and serves as the primary barrier against dirt and debris for compatible John Deere tractors and loaders. The filter is crafted for the 302, 400, 300B, 302A, 4475, 301A, 5575, and 401B models, ensuring reliable engine protection.
Built For Performance
- Replacement outer air filter with AT20728 dimensions
- High-capacity filtration media captures fine particles
- Durable construction resists moisture and vibration
- Direct fit for listed John Deere models
- Maintains consistent airflow for engine efficiency
Fits These Machines
- for John Deere 302
- for John Deere 400
- for John Deere 300B
- for John Deere 302A
- for John Deere 4475
- for John Deere 301A
- for John Deere 5575
- for John Deere 401B
On-The-Job Use
- Works in dusty field conditions on compact tractors
- Suitable for loader applications on 400 and 300B models
- Replaces clogged filters on 4475 and 5575 combines
- Used in routine maintenance for 301A and 401B backhoe units
Specs At A Glance
| Part Number(s) | AT20728 |
| Type | Outer air filter |
| Compatible Brand | for John Deere |
Good To Know
Q: How often should this outer air filter be replaced? A: Replace it every 500 hours of operation or when visual inspection shows heavy dust buildup. Clean the outer element regularly in extreme conditions.
Q: Will this filter fit my John Deere 302A? A: Yes, it is designed for the 302A model when using the AT20728 cross-reference. Confirm your serial number before ordering.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.