O-ring Kit

The OEM Case Construction O-Ring Kit #B91398 is a high-quality OEM part designed for durability and reliable performance in Case Construction equipment. Engineered to meet strict OEM specifications, this o-ring kit ensures optimal functionality, long service life, and a perfect fit for your machinery. Ideal for maintenance and replacement needs, this component helps maintain peak operational efficiency.

Key Features:

• Brand: Case Construction
• Part Name: O-Ring Kit
• Part Number: #B91398
• Weight:
• Dimensions:

Compatible equipment

This part fits CASE IH MAGNUM TRACTOR (NORTH AMERICA), CASE IH MAGNUM TRACTOR, CASE WHEEL LOADER, CASE WHEEL LOADER (NORTH AMERICA), SPRAYER, TRACTOR - TIER 4A including models 7130, 7140, 7150, 921, 921B, SPX4260, SPX4410, T8.390.

Frequently asked questions

What is the part number?

The manufacturer part number is B91398.

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.