Compatibility tool

Part fitment and serial number checker

Check a part number against an exact published farm machine record and, when the cited manufacturer or technical source publishes a structured serial range, test the entered serial number against that documented rule.

Exact identityshared part numbers and reused model names are resolved before checking

Part + machineboth must resolve to published catalog records

Serialoptional unless the application has a documented serial break

Documented model fitment found

Documented model fitment found. No structured serial-number restriction is recorded for this relationship.

The machine relationship is documented. Add a serial number when available; some applications depend on serial break, market or configuration.

PartAP33330 · Primary Air Filter

Part manufacturerJohn Deere

MachineJohn Deere 4075R

Equipment typeTractor

Fitment confidenceOfficial direct fitment

Fitment note4075R primary air filter; 600 hours or annually

SourceJohn Deere 4075R Compact Utility Tractor Replacement Parts Guide

Open machine reference → Open full part reference →

How to interpret a fitment result

Documented range

Fits documented serial range

The stored cited rule supports the exact part record, exact machine record and entered serial. The fitment confidence shown in the result explains the evidence level.

Model-level evidence

Serial unverified

The machine fitment is documented, but a machine-specific serial rule is unavailable or cannot be tested from the current source.

No assertion

No documented direct fitment

This means the published catalog lacks a direct cited relationship for the exact selected records. It does not mean the part is definitely incompatible.

This tool only evaluates rules already stored from cited sources for published parts and machines. Shared part numbers and reused machine model names are explicitly disambiguated before fitment is checked. A missing fitment or missing serial rule is not proof that a part is incompatible. Always verify the complete machine PIN, model year, market and configuration before ordering. See Data Sources & Methodology for the publication rules used by this site.