O-Ring

Enhance the performance of your Case Construction equipment with O-Ring #134373. Designed for durability and precision, this essential part ensures optimal sealing and reliability, keeping your machinery running smoothly in the toughest conditions. Perfect for maintenance and repairs. This product is a genuine OEM part, ensuring quality and reliability.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, BACKHOE, SERIES A INTERNATIONAL LOADER TRACTOR, CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE TRENCHER, CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281), CASE CONSTRUCTION KING LOADER BACKHOE (UP TO S/N 9101501), CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE BACKHOE, DAVIS FLEETLINE 30 4 TRENCHER, DAVIS FLEETLINE 40 4 TRENCHER including models 1085B, 1085C, 1086B, 26C, 3400, 450, 560, 621, 621B, 660, 680CK, 721, 721B, 821, D100, D100XR, D130, P60, SD100.

Frequently asked questions

What is the part number?

The manufacturer part number is 134373.

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.