Manufacturer Interchange Matrix

FleetguardtoEuclid

Interchange matrix converting Fleetguard references to their Euclid equivalents, from manufacturer catalog data. Open any part to compare the physical dimensions on record before fitting a replacement.

Verified Interchange Part Numbers

Direct manufacturer catalog matches and 2-hop verified cross-references.

26 Active Routes
Fleetguard ReferenceFiltration CategoryEuclid ReplacementTolerance & Specs
AF1604Air Filter9053258Compare Specs
AF1604Air FilterE12570267Compare Specs
AF1605MAir Filter9053259Compare Specs
AF1605MAir Filter9059564Compare Specs
AF1605MAir FilterE12975364Compare Specs
AF25619Air FilterE12978856Compare Specs
AF25620Air FilterE12978857Compare Specs
AF348Air Filter9191536Compare Specs
AF348Air Filter9028637Compare Specs
AF348Air Filter9030244Compare Specs
AF350KAir Filter9223197Compare Specs
AF351KAir Filter9038896Compare Specs
AF351KAir Filter9030895Compare Specs
AF353KMAir Filter9038898Compare Specs
AF362Air Filter9028638Compare Specs
AF362Air Filter9387554Compare Specs
AF362Air Filter9030538Compare Specs
AF4083Air Filter9368796Compare Specs
AF421MAir Filter9035429Compare Specs
AF421MAir Filter9059563Compare Specs
AF421MAir Filter9038899Compare Specs
AF424MAir Filter9398482Compare Specs
AF424MAir Filter9394161Compare Specs
AF471Air Filter9034223Compare Specs
AF472Air Filter9034222Compare Specs
AF4728Air Filter9029495Compare Specs
Engineering Verification Standard

5-Point Inspection Protocol: Fleetguard to Euclid

Before mounting a Euclid substitute onto a system originally calibrated for Fleetguard, complete this 5-point physical clearance inspection:

1

Thread Pitch & Diameter

Confirm pitch type (Metric vs UN/UNF). Never force a metric M20 thread onto a 3/4-16 imperial mounting stud.

2

Gasket Seating OD

Measure outer gasket diameter. A discrepancy over 3 mm risks oil blowout under high operating oil pressures.

3

Bypass Valve Setting (PSI/Bar)

Verify relief valve opening pressure. High bypass differentials circulate unfiltered oil prematurely.

4

Anti-Drainback Valve

Required if the filter canister is mounted horizontally or inverted to prevent dry starts.

5

Canister Clearance Height

Ensure adequate clearance from vehicle frame rails, steering linkages, or exhaust manifolds.

Technical FAQ

Frequently Asked Questions: Fleetguard → Euclid

What does this Fleetguard to Euclid cross-reference show?

Each row pairs a Fleetguard part number with the Euclid reference that manufacturer data lists as its equivalent, alongside the physical dimensions we hold for both. The dimensions are the point: they let you check the match yourself instead of taking the part number on trust.

What is the difference between a direct and an inferred match?

Direct means an official manufacturer source lists the two part numbers as equivalent. Inferred means we reached it through one shared reference (two hops) and the physical specs of both parts agree. We never chain further than that, and any candidate whose specs conflict is dropped rather than published.

What should I check before fitting a Euclid filter in place of a Fleetguard?

Compare the values on both filter pages: thread size, gasket outer diameter, height, outer diameter and bypass pressure. A cross-reference tells you two parts are catalogued as equivalents, not that either one suits your engine. When a value is missing on our side we leave it blank rather than estimate it, so check it against the manufacturer before you buy.

Where does this data come from?

From manufacturer sources only, such as Fleetguard, Donaldson, WIX, Baldwin and SF-Filter. Every filter page links the source it came from. We do not copy other cross-reference sites, and we publish no specification that a source does not state.

Search Other Fleetguard or Euclid Parts

Lookup any reference across our entire cross-brand catalog.

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