O-Ring

Enhance your heavy equipment’s performance with the Case Construction O-Ring #406183R1. Designed for durability and precision, this essential component ensures optimal sealing and reliability, keeping your machinery running smoothly in the toughest conditions. Perfect for maintenance and repairs.

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, POCLAIN CRAWLER EXCAVATOR, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, WINCH, DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, BACKHOE, LOADER, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, DROTT SERIES-A CRAWLER EXCAVATOR, CASE FORKLIFT, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, SERIES A INTERNATIONAL LOADER TRACTOR, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, CASE CRAWLER TRACTOR, INTERNATIONAL HARVESTER COMPACT LOADER, CASE CONSTRUCTION KING WHEEL TRACTOR, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, CASE CONSTRUCTION KING LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, TURBO LOADER BACKHOE, POCLAIN WHEELED EXCAVATOR, CASE TRENCHER, MOTOR GRADER - ASN 020001, MOTOR GRADER TIER 2- BTW 020101-020187, MOTOR GRADER - ASN 022001, MOTOR GRADER TIER 2 - ASN 022101, MOTOR GRADER - ASN N5AF04007, MOTOR GRADER - ASN 024001, MOTOR GRADER TIER 2 - BTW 024102-024129, CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER, CASE WHEEL LOADER including models 1080, 1080B, 1085B, 1086B, 115CL, 1187, 1187B, 1187C, 1280, 1280B, 1500, 1529, 160CK, 160CKS, 160CL, 1700, 170C, 1816, 1816C, 1835, 19, 220, 220CKS, 26, 26B.

Frequently asked questions

What is the part number?

The manufacturer part number is 406183R1.

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.