O-Ring 434 70 Duro 5.725IN ID X .275IN Thick

Enhance your heavy equipment’s performance with the Case Construction O-Ring. Designed for durability, this 5.725-inch ID, 0.275-inch thick O-Ring (part #14475180) ensures a reliable seal, optimizing efficiency in demanding construction environments. Perfect for maintaining your machinery’s integrity.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), CASE CRAWLER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-A CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER, CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER) including models 1085B, 1085C, 1086B, 1150, 1150B, 40BLC, 40EC, 40YC, 50, W14, W14B, W14FL, W14H, W18B, W20C, W24C, W30, W36.

Frequently asked questions

What is the part number?

The manufacturer part number is 14475180.

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.