Manifold Gasket

Enhance your Case Construction equipment’s performance with the Manifold Gasket #83999221. Designed for durability and precision, this essential part ensures a reliable seal, preventing leaks and optimizing engine efficiency for heavy-duty tasks. Trust in quality for your machinery.

Compatible equipment

This part fits 3 CYL AG HIGHWAY TRACTOR, CASE IH FRONT END LOADER, SPEEDROWER SELF-PROPELLED WINDROWER, 3 CYL AG TRACTOR ALL PURPOSE, 3 CYL TRACTOR LOADER, 3 CYL HIGHWAY TRACTOR, 3 CYL AG NARROW TRACTOR, 3 CYL NARROW ORCHARD TRACTOR, 3 CYL ORCHARD TRACTOR, 4 CYL AG TRACTOR 10 SERIES, TRACTOR LOADER BACKHOE, 4 CYL AG TRACTOR, 4 CYL AG TRACTOR 40 SERIES, 4 CYL AG TRACTOR MEXICO, 4 CYL AG TRACTOR 10 SERIES (U.K. ONLY), 4 CYL ORCHARD TRACTOR 10 SERIES, 4 CYL ORCHARD TRACTOR 40 SERIES, 4 CYL AG TRACTOR FLAT DECK 10 SERIES, 4 CYL AG TRACTOR (MEXICO ONLY), 4 CYL TRACTOR LOADER BACKHOE, 6 CYL AG TRACTOR 40 SERIES, BIDIRECTIONAL TRACTOR W/EMISSIONIZED ENGINE, BIDIRECTIONAL TRACTOR, MOTOR GRADER, BACKHOE LOADER, BACKHOE LOADER UPGRADE 2000, 4WS BACKHOE LOADER UPGRADE 2000, 4WS TRACTOR LOADER BACKHOE, BACKHOE LOADER UPGRADE 2000 4WS, TRACTOR LOADER BACKHOE - 4 WHEEL STEERING, SKID STEER LOADER, 6 CYL AG TRACTOR, EMISSIONISED TRACTOR, NON-EMISSIONISED TRACTOR, CASE IH SELF PROPELLED WINDROWER TRACTOR including models 234, 2450, 2550, 3230, 3430, 345C, 345D, 3930, 3930H, 3930N, 3930NO, 4130, 4130N, 4130NO, 445C, 445D, 4630, 4630N, 4630NO, 4630O, 5110, 545C, 545D, 555E, 5610.

Frequently asked questions

What is the part number?

The manufacturer part number is 83999221.

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.