Seal

Enhance your Case Construction equipment’s performance with Seal #8603391. Designed for durability and precision, this high-quality seal ensures optimal sealing and protection, reducing downtime and maintenance costs. Trust Case for reliable parts that keep your machinery running smoothly.

Compatible equipment

This part fits WHEEL LOADER - TIER 4B (NA), ARTICULATED TRUCK, CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 (NA), CASE WHEEL LOADER, CASE WHEEL LOADER (NORTH AMERICA), WHEEL LOADER - TIER 4 / TIER 2 (NA), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), WHEEL LOADER TIER 3 NA/EU, 4WD MOTOR GRADER (LIVERY) - TIER 4, 4WD MOTOR GRADER MY20 - STAGE V, AWD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER MY20 - STAGE V, MOTOR GRADER TIER I (BR) - ASN N8AF07000, MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB) including models 1021G, 1121G, 325, 521D, 521E, 521F, 521G, 621C, 621D, 621E, 621F, 621G, 721C, 721D, 721E, 721F, 721G, 821C, 821E, 821F, 821G, 836C, 836C AWD, 845, 845B.

Frequently asked questions

What is the part number?

The manufacturer part number is 8603391.

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.