John Deere 2251 Air Filter: Part Number, Size & Cross Reference

Quick answer:

The John Deere 2251 tractor primary engine air filter part number found is RE46310. Cross-reference filters include WIX 46703; Baldwin PA3869; Donaldson P607365; FRAM CA7444; more listed below. 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 1, 800 hours.

Primary air filterRE46310
Cross-referenceWIX 46703
Filter sizeOuter diameter: 9 in / 230 mm
Engine power25 hp
Service intervalReplace every 1,800 hours

John Deere 2251 Air Filter Specs

Primary air filter part number RE46310
Secondary / safety air filter T340572
Pre-filter M96846
Cross-reference filters WIX 46703; Baldwin PA3869; Donaldson P607365; FRAM CA7444; Fleetguard AF25570
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 1, 800 hours
Number of air filter elements 3 elements (primary, secondary, pre-filter)
Engine horsepower 25 hp
Engine displacement 67.1 cu in (1.1 L)

John Deere 2251 Air Filter Charts

Air filter dimensions

Outer diameter

9 in

Inner diameter

5.8 in

Engine horsepower

This model

25 hp

Average

35 hp

Low

18 hp

High

66 hp

Engine displacement

This model

67.1 cu in

Average

100 cu in

Low

50 cu in

High

180 cu in

Air filter service interval

This model

800 hr

Average

100 hr

Low

50 hr

High

200 hr

John Deere 2251 Air Filter FAQ

What air filter does the John Deere 2251 use? The primary engine air filter part number found for the John Deere 2251 is RE46310.
What air filter cross-references fit the John Deere 2251? Cross-reference filters found for the John Deere 2251 include WIX 46703; Baldwin PA3869; Donaldson P607365; FRAM CA7444; Fleetguard AF25570.
Can I use an aftermarket air filter on the John Deere 2251? The John Deere 2251 has 5 cross-reference filters listed, starting with WIX 46703. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit.
What size is the John Deere 2251 air filter? The air filter dimensions found for the John Deere 2251 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 2251 air filter be checked or replaced? The service guidance found for the John Deere 2251 is to replace the air filter every 1, 800 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 2251? 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 2251 air filter page? The engine data kept for the John Deere 2251 is 25 hp, 67.1 cu in (1.1 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number RE46310.
Should I order the John Deere 2251 air filter by size or part number? Use RE46310 as the main match for the John Deere 2251. The cross-reference list helps find aftermarket options, while the measured dimensions helps avoid ordering a filter that does not seat correctly.
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.