O-ring

Enhance the performance of your Case Construction equipment with the durable O-Ring #37307. Designed for optimal sealing and reliability, this essential part ensures efficient operation, reducing downtime and maintenance costs in heavy-duty applications. Perfect for any construction professional.

Compatible equipment

This part fits CRAWLER DOZER, COMPACT WHEEL LOADER HS, ZB, BACKHOE, CASE/BELOIT SKID KING WHEEL LOADER, CASE CRAWLER TRACTOR, BACKHOE FOR 310G AND 450 CRAWLER, CASE TELESCOPIC HANDLER, CASE WHEEL LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models 1150M LT, 1150M WT, 1150M WT/LGP, 1650M LGP PAT, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M WT/LGP, 2050M XLT BD, 2050M XLT PAT, 221F, 26, 26B, 26D, 26S, 300, 31, 310C, 310E, 33.

Frequently asked questions

What is the part number?

The manufacturer part number is 37307.

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.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.