O-Ring

Enhance the performance of your Case Construction equipment with the durable O-Ring #511836. Designed for optimal sealing and reliability, this essential part ensures efficient operation, reducing downtime and maintenance costs in heavy-duty applications. Perfect for your construction needs!

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, CASE LOGGER CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, BACKHOE AND LOADER, BACKHOE FOR 580CK, BACKHOE, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING LOADER BACKHOE, DOUBLE DRUM, CASE WHEEL LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models 1085B, 1086B, 1187, 1187B, 321E SERIES 3, 32S, 33, 33S, 35, 35A, 35C, 35C WL, 35WL, 380CK, 40BLC, 40EC, 40YC, 580, 680E, 680G, 752EX, 780, W14B, W18B, W20.

Frequently asked questions

What is the part number?

The manufacturer part number is 511836.

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.