Quick answer:
The John Deere 5042D tractor primary engine air filter part number found is AT300487. Filter dimensions found include Height: 12 in / 305 mm; Outer diameter: 6.5 in / 165 mm.
Primary air filterAT300487
Filter height12 in / 305 mm
Engine power42 hp
John Deere 5042D Air Filter Specs
| Primary air filter part number | AT300487 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | MIU11513 |
| Air filter size | Height: 12 in / 305 mm; Outer diameter: 6.5 in / 165 mm |
| Filter height | 12 in / 305 mm |
| Outer diameter | 6.5 in / 165 mm |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 42 hp |
| Engine displacement | 177 cu in (2.9 L) |
John Deere 5042D Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 5042D Air Filter FAQ
| What air filter does the John Deere 5042D use? | The primary engine air filter part number found for the John Deere 5042D is AT300487. |
|---|---|
| What size is the John Deere 5042D air filter? | The air filter dimensions found for the John Deere 5042D are Height: 12 in / 305 mm; Outer diameter: 6.5 in / 165 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 5042D? | This page lists a primary filter, a safety filter and a pre-filter: 3 elements (primary, secondary, pre-filter). Replace each only with the matching part number for that position. |
| Why include engine specs on a John Deere 5042D air filter page? | For the John Deere 5042D, the engine specs found are 42 hp, 177 cu in (2.9 L). This is useful context when comparing similar models, but not a substitute for checking the filter number AT300487. |
| Should I order the John Deere 5042D air filter by size or part number? | Buy by AT300487 first for the John Deere 5042D. The dimensions value is useful for checking an aftermarket listing before ordering. |
| What should I confirm before buying a John Deere 5042D air filter? | For the John Deere 5042D, confirm AT300487 against John Deere parts information and use the listed dimensions of Height: 12 in / 305 mm; Outer diameter: 6.5 in / 165 mm as a physical check. |
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.

