The John Deere 4049R tractor primary engine air filter part number found is RE46310. Filter dimensions found include Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm. Service guidance is to replace the air filter every 500 hours.
Primary air filterRE46310
Filter sizeOuter diameter: 9 in / 230 mm
Engine power49 hp
Service intervalReplace every 500 hours
John Deere 4049R Air Filter Specs
Primary air filter part number
RE46310
Secondary / safety air filter
AN403919
Pre-filter
MIU11513
Air filter size
Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm
Outer diameter
9 in / 230 mm
Inner diameter
5.8 in / 147 mm
Replacement interval
Replace every 500 hours
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
49 hp
Engine displacement
128.1 cu in (2.1 L)
John Deere 4049R Air Filter Charts
Air filter dimensions
Outer diameter
9 in
Inner diameter
5.8 in
Engine horsepower
This model
49 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
128.1 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
Air filter service interval
This model
500 hr
Average
100 hr
Low
50 hr
High
200 hr
John Deere 4049R Air Filter FAQ
What air filter does the John Deere 4049R use?
The primary engine air filter part number found for the John Deere 4049R is RE46310.
What size is the John Deere 4049R air filter?
The air filter dimensions found for the John Deere 4049R are Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How often should the John Deere 4049R air filter be checked or replaced?
The service guidance found for the John Deere 4049R is to replace the air filter every 500 hours. That is longer than the reference average of 100 hours for this class, so still shorten the interval when the machine is used in heavy dust.
How many air filter elements are listed for the John Deere 4049R?
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 4049R air filter page?
For the John Deere 4049R, the engine specs found are 49 hp, 128.1 cu in (2.1 L). This is useful context when comparing similar models, but not a substitute for checking the filter number RE46310.
Should I order the John Deere 4049R air filter by size or part number?
The part number RE46310 matters more than size alone on the John Deere 4049R. The listed dimensions helps confirm the filter looks physically consistent.
What should I confirm before buying a John Deere 4049R air filter?
For the John Deere 4049R, confirm RE46310 against John Deere parts information and use the listed dimensions of Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 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.
