O-Ring O Ring

Enhance your heavy equipment’s performance with the Case Construction O-Ring #175156. Designed for durability and precision, this essential part ensures a reliable seal, preventing leaks and maintaining optimal functionality in your machinery. Perfect for all Case models.

Compatible equipment

This part fits 90 - FIAT TRACTOR, 90 DT - FIAT TRACTOR, DMI ECOLO-TIL, AGRIFULL TRACTOR, WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), BALE WAGON, SUPER - AUTOMATIC BALE WAGON, STACK RETRIEVER, INTERNATIONAL 66 SERIES DIESEL TRACTOR, CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001), CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER), CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, INTERNATIONAL DIESEL TRACTOR, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, CASE AGRI-KING DIESEL TRACTOR, KIT TRANSMISSION FOR 600 & 800 W/1-3/8'''' PTO, KIT TRANSMISSION FOR NAA 600 & 800 W/1-3/8'''' PTO including models 100, 1000, 100S, 100S DT, 1021F, 1021G, 1040, 1048, 1049, 1050, 1051, 1065, 1066, 1068, 1069, 1070, 1075, 1078, 1079, 1080, 1080B, 1085, 1085C, 1086, 1088.

Frequently asked questions

What is the part number?

The manufacturer part number is 175156.

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.