O-Ring O Ring

Enhance your heavy equipment’s performance with the Case Construction O-Ring #70923823. 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.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR (NORTH AMERICA), CASE CRAWLER EXCAVATOR, WILLOW HEADER, CASE CRAWLER TRACTOR, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), CASE HORIZONTAL DIRECTIONAL DRILLING MACHINE, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, INTERNATIONAL 4WD DIESEL TRACTOR, CASE SERIES-E CRAWLER EXCAVATOR (S/N 6280543 & AFTER), DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6279926 & AFTER), TURBO LOADER BACKHOE, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, LOADER BACKHOE (NORTH AMERICA), SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C309000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508500, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N7C431854, CASE CRAWLER EXCAVATOR (PRIOR TO S/N CGG0011601), CASE CRAWLER EXCAVATOR (S/N CGG0011601 & AFTER), CASE WHEELED EXCAVATOR - RAIL-ROAD (GERMANY), CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER), CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER), CASE CRAWLER EXCAVATOR (S/N 15401-) (S/N 106801-), CASE CRAWLER EXCAVATOR (S/N 74163-74418) (S/N 15201-), CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, CASE/POCLAIN CRAWLER EXCAVATOR (S/N 9501 & AFTER), CRAWLER DOZER, CASE ARTICULATED WHEEL LOADER including models 1085B, 1085C, 1086B, 1088, 1150, 1187, 1187B, 1187C, 125B, 1280, 1280B, 130FB, 1450, 1450B, 1455B, 1550, 1835, 1835B, 300CM, 400TX, 40BLC, 40EC, 40YC, 4100, 4156.

Frequently asked questions

What is the part number?

The manufacturer part number is 70923823.

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.