O-Ring Wheel End Bolts

Enhance your heavy equipment’s performance with Case Construction O-Ring Wheel End Bolts #8603559. Designed for durability and precision, these bolts ensure secure wheel assembly, optimizing your machinery’s efficiency and reliability on any job site. This product is a genuine OEM part, ensuring quality and reliability.

Compatible equipment

This part fits WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER TIER 4 (NA), ARTICULATED TRUCK, ARTICULATED TRUCK TIER 3 (NA) - S/N HHD000755 TO 000764, ARTICULATED TRUCK S/N: UNTIL HHD000754, ARTICULATED TRUCK TIER 3 (NA) - SN N6PG58018 -, CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), CASE WHEEL LOADER, WHEEL LOADER TIER 3 (NA), WHEEL LOADER WASTE HANDLING - TIER 4A (NA), 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, WHEEL LOADER TIER 3 (NA/EU), WHEEL LOADER (REV 05/2005), WHEEL LOADERS (NA), WHEEL LOADER, WHEEL LOADER (W130/W130TC) (NA), WHEEL LOADERS, WHEEL LOADER TIER 2 (INT) including models 1021F, 1021G, 1121F, 1121G, 1221F, 335 TIER 2, 340 ASN, 340 BSN, 340B, 521D, 621C, 621D, 621E, 621F, 721C, 721D, 721E, 721F, 721G, 821C, 821E, 821F, 821G, 921C, 921E.

Frequently asked questions

What is the part number?

The manufacturer part number is 8603559.

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.