Quick answer:
The John Deere 9300T tractor primary engine air filter part number found is RE63931. Cross-reference filters include WIX 42845; NAPA 42845; Baldwin B1401; Donaldson P539473. Filter dimensions found include Height: 12 in / 305 mm; Outer diameter: 8.5 in / 216 mm.
Primary air filterRE63931
Cross-referenceWIX 42845
Filter height12 in / 305 mm
John Deere 9300T Air Filter Specs
| Primary air filter part number | RE63931 |
|---|---|
| Cross-reference filters | WIX 42845; NAPA 42845; Baldwin B1401; Donaldson P539473 |
| Air filter size | Height: 12 in / 305 mm; Outer diameter: 8.5 in / 216 mm |
| Filter height | 12 in / 305 mm |
| Outer diameter | 8.5 in / 216 mm |
| Number of air filter elements | 1 element (primary) |
John Deere 9300T Air Filter Charts
Air filter dimensions
John Deere 9300T Air Filter FAQ
| What air filter does the John Deere 9300T use? | The primary engine air filter part number found for the John Deere 9300T is RE63931. |
|---|---|
| What air filter cross-references fit the John Deere 9300T? | Cross-reference filters found for the John Deere 9300T include WIX 42845; NAPA 42845; Baldwin B1401; Donaldson P539473. |
| Can I use an aftermarket air filter on the John Deere 9300T? | The John Deere 9300T has 4 cross-reference filters listed, starting with WIX 42845. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit. |
| What size is the John Deere 9300T air filter? | The air filter dimensions found for the John Deere 9300T are Height: 12 in / 305 mm; Outer diameter: 8.5 in / 216 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How many air filter elements are listed for the John Deere 9300T? | This page confirms 1 element (primary). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece. |
| Should I order the John Deere 9300T air filter by size or part number? | The safest buying order for the John Deere 9300T is OEM part number first, then cross-reference brand, then physical size. For this page, that means RE63931 first and Height: 12 in / 305 mm; Outer diameter: 8.5 in / 216 mm as a fit check. |
| What should I confirm before buying a John Deere 9300T air filter? | For the John Deere 9300T, confirm RE63931, at least one listed cross-reference, and the dimensions value of Height: 12 in / 305 mm; Outer diameter: 8.5 in / 216 mm against the actual filter before ordering. |
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official deere.com website before buying or fitting an air filter.

