John Deere 312 Air Filter: Part Number, Size & Cross Reference

Quick answer:

The John Deere 312 tractor primary engine air filter part number found is AT307501.

Primary air filterAT307501
Engine power12 hp

John Deere 312 Air Filter Specs

Primary air filter part number AT307501
Secondary / safety air filter AN403919
Pre-filter M96846
Number of air filter elements 3 elements (primary, secondary, pre-filter)
Engine model Kohler
Engine horsepower 12 hp
Engine displacement 29 cu in (0.48 L)

John Deere 312 Air Filter Charts

Engine horsepower

This model

12 hp

Average

35 hp

Low

18 hp

High

66 hp

Engine displacement

This model

29 cu in

Average

100 cu in

Low

50 cu in

High

180 cu in

John Deere 312 Air Filter FAQ

What air filter does the John Deere 312 use? The primary engine air filter part number found for the John Deere 312 is AT307501.
How many air filter elements are listed for the John Deere 312? 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 312 air filter page? Engine specs found for the John Deere 312 include 12 hp, 29 cu in (0.48 L). Those specs help identify the tractor class, but the air filter should still be matched by part number AT307501.
Should I order the John Deere 312 air filter by size or part number? Start with AT307501 when buying an air filter for the John Deere 312. Do not rely only on the model name if there were production changes.
What should I confirm before buying a John Deere 312 air filter? For the John Deere 312, confirm AT307501 against the parts manual or official John Deere lookup because air-cleaner parts can change by serial range.
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.