The John Deere 4049M tractor primary engine air filter part number found is RE68048. Cross-reference filters include WIX 46489; NAPA 4003; Baldwin RS3734; Donaldson P822768. Filter dimensions found include Outer diameter: 5 in / 127 mm; Inner diameter: 3.19 in / 81 mm.
Outer diameter: 5 in / 127 mm; Inner diameter: 3.19 in / 81 mm
Outer diameter
5 in / 127 mm
Inner diameter
3.19 in / 81 mm
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
49 hp
Engine displacement
122 cu in (2 L)
John Deere 4049M Air Filter Charts
Air filter dimensions
Outer diameter
5 in
Inner diameter
3.19 in
Engine horsepower
This model
49 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
122 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 4049M Air Filter FAQ
What air filter does the John Deere 4049M use?
The primary engine air filter part number found for the John Deere 4049M is RE68048.
What air filter cross-references fit the John Deere 4049M?
Cross-reference filters found for the John Deere 4049M include WIX 46489; NAPA 4003; Baldwin RS3734; Donaldson P822768.
Can I use an aftermarket air filter on the John Deere 4049M?
The John Deere 4049M has 4 cross-reference filters listed, starting with WIX 46489. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit.
What size is the John Deere 4049M air filter?
The air filter dimensions found for the John Deere 4049M are Outer diameter: 5 in / 127 mm; Inner diameter: 3.19 in / 81 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 4049M?
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 4049M air filter page?
For the John Deere 4049M, the engine specs found are 49 hp, 122 cu in (2 L). This is useful context when comparing similar models, but not a substitute for checking the filter number RE68048.
Should I order the John Deere 4049M air filter by size or part number?
For the John Deere 4049M, start with the primary part number RE68048, then use the listed cross-references and the dimensions value as secondary checks before buying.
What should I confirm before buying a John Deere 4049M air filter?
For the John Deere 4049M, confirm RE68048, at least one listed cross-reference, and the dimensions value of Outer diameter: 5 in / 127 mm; Inner diameter: 3.19 in / 81 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.
