Secondary Engine Air Filter

Replaces: 44.03729; 84485559; MLR4403729

Compatible equipment

This part fits WHEEL LOADER - TIER 4B (NA), AFS CONNECT - T4B CVT (NA/ROW), AFS CONNECT - T4B PST (NA/ROW), TRACTOR - TIER 4B CVT (NA), TRACTOR - TIER 4B PST (NA), IRRIGATION POWER UNIT, (ENG MDL F4GE0404A*) IRRIGATION POWER UNITS TIER 2 (11/2007 - 01/2009), (ENG MODEL #F4GE9454J*) IRRIGATION POWER UNIT TIER 3 (11/2008 & AFTER), GUARDIAN SPRAYER - BSN YCYM00393, GUARDIAN SPRAYER - SN YCYM00393 AND AFTER, BALE WAGON, WHEEL LOADER - TIER 4 / TIER 2 (NA) including models 1021G, 1121G, 621F, 621G, 721F, 721G, 821F, 821G, 921F, 921G, MAGNUM 180, MAGNUM 200, MAGNUM 220, MAGNUM 240, P215, P240, P70, S215, S240, SP.240R, SP.275R, STACKCRUISER 102, STACKCRUISER 103, STACKCRUISER 105, W230C.

Frequently asked questions

What is the part number?

The manufacturer part number is 84579126.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.