Case IH STX530QT Air Filter (80753486)

Quick answer:

The Case IH STX530QT tractor primary air filter part number is 80753486. The inner safety filter is AF1632.

Case IH STX530QT Air Filter Details

Primary air filter part number 80753486
Inner safety air filter part number AF1632
Outer air filter part number 82034439
Air filter dimensions Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in
Cross-reference part numbers STX530QT

Air Filter Service Interval Guide

Air Filter Service Interval Guide

Dusty use

100 hrs

Average

500 hrs

Light use

1,000 hrs

Listed Filter Size Check

Height

16.4 in

Outside diameter

9.9 in

Inside diameter

6 in

These are practical inspection/replacement guide ranges for the large ag tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.

Case IH STX530QT Extra Air Filter Notes

Engine model Cummins 14.9L
Engine displacement 14.9 L | 909.3 cu in
Engine horsepower 535 hp | 398.9 kW
Primary filter note For the Case IH STX530QT, the listed primary air filter part number is 80753486. Match the number before buying because air cleaner setups can vary by engine, serial range and market.
Outer filter note The listed outer air filter part number is 82034439.
Safety filter note The listed inner safety air filter is AF1632. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note Listed dimensions: Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in. Use dimensions as a second check, not as the only buying method.
Filter size note The listed dimensions point to a long element length at 16.4 in and large outside diameter at 9.9 in. Use that as a fitment sanity check against the old filter.
Power range note Use the power class to decide urgency. Higher airflow demand means less patience for questionable media, bad seals or packed pleats.
Engine airflow note The displacement helps identify the engine family; horsepower tells you how hard it breathes under load. The element still has to match the canister.
Cross-reference note Possible cross-reference numbers found for the Case IH STX530QT: STX530QT. Treat these as secondary checks after the primary filter number.
Service note Clean loose dust from the air cleaner housing before pulling the filter. Never run the tractor with the filter removed, even for a quick test.

Case IH STX530QT Air Filter FAQs

How do I avoid mixing up the Case IH STX530QT air-filter elements?

For a full parts check, separate the service element from the safety element: buy the outer/primary service element first, then buy the inner safety element only if it is dirty, damaged or due. Do not accidentally order 82034439 when you meant the safety filter, or AF1632 when you meant the outer filter.

Can the Case IH STX530QT air filter become a restriction under load?

The combo is a practical warning system. If the element is packed, damaged or not sealing, the engine can lose airflow long before the filter looks catastrophic.

Why should I compare the old Case IH STX530QT filter before buying?

Do not buy from the title alone. Match 80753486 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.

Should I trust Case IH STX530QT air-filter dimensions or the part number?

The dimensions are useful only as a fitment screen. The final test is whether the element seats square, the cover closes normally and the seal lands where the old one did.

Would I be strict with the Case IH STX530QT air filter condition?

Yes. The power-to-filter-size relationship makes restriction and seal condition worth taking seriously. Replace a questionable element before heavy dusty work.

Is the Case IH STX530QT outer filter the same as the primary filter?

Use 82034439 to check the service element and AF1632 to check the safety element. Do not assume one substitutes for the other.

What is the biggest fitment trap with the Case IH STX530QT air filter?

The trap is assuming a large and deep element is close enough because it looks right online. The seal face, end-cap depth and cover pressure have to match, otherwise dust can bypass the media.

Official information note

Mistakes do happen. Air filter specs can change by year, engine, serial range, market and air cleaner housing. Check the old filter, operator manual, parts book and official caseih.com website before ordering or installing an air filter.