New Holland T4050 Air Filter (86555826)

Quick answer:

The New Holland T4050 tractor primary air filter part number is 86555826. The inner safety filter is 86982523.

New Holland T4050 Air Filter Details

Primary air filter part number 86555826
Inner safety air filter part number 86982523
Outer air filter part number 87037984
Air filter dimensions Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in
Cross-reference part numbers T4050, 4-1/8, 2-5/16, 10-13/16

Air Filter Service Interval Guide

Air Filter Service Interval Guide

Dusty use

100 hrs

Average

300 hrs

Light use

600 hrs

Listed Filter Size Check

Length

10.8 in

Outside diameter

4.1 in

Inside diameter

2.3 in

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

New Holland T4050 Extra Air Filter Notes

Engine model FPT 4.5L
Engine displacement 4.5 L | 274.6 cu in
Engine horsepower 95 hp | 70.8 kW
Primary filter note For the New Holland T4050, the listed primary air filter part number is 86555826. 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 87037984.
Safety filter note The listed inner safety air filter is 86982523. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note Listed dimensions: Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in. Use dimensions as a second check, not as the only buying method.
Filter size note The listed dimensions point to a mid-size element length at 10.8 in and normal outside diameter at 4.1 in. Use that as a fitment sanity check against the old filter.
Power range note With a 95 hp engine class, the horsepower is high compared with the listed element size, so restriction checks matter more. Watch for weak pull, smoke or heat under load before waiting for the full 300-hour guide.
Engine airflow note Displacement and horsepower together explain airflow demand better than either one alone, but the air-cleaner housing still proves fit.
Cross-reference note Possible cross-reference numbers found for the New Holland T4050: T4050, 4-1/8, 2-5/16, 10-13/16. 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.

New Holland T4050 Air Filter FAQs

What makes the New Holland T4050 air-filter number risky to order blindly?

The safest match is not just the printed number. Use 86555826, then check whether the element seats fully without forcing the cover.

Can the New Holland T4050 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.

Should I order one filter or a full New Holland T4050 air-filter set?

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 87037984 when you meant the safety filter, or 86982523 when you meant the outer filter.

Why can a similar-size filter still be wrong for a New Holland T4050?

The useful thing is the relationship between the three measurements: length checks housing depth, outside diameter checks the outer seal, and inside diameter checks the center opening. A filter can match two and still fail the third.

Would I be strict with the New Holland T4050 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.

When does the New Holland T4050 air filter become a performance problem?

With a 95 hp engine class, the horsepower is high compared with the listed element size, so restriction checks matter more. Watch for weak pull, smoke or heat under load before waiting for the full 300-hour guide.

Why is the exact New Holland T4050 filter number important?

When there are several part numbers, do not search them all in one cart and hope. Label each one as primary, outer or safety before buying.

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 newholland.com website before ordering or installing an air filter.