O-Ring

Enhance your heavy equipment’s performance with the Case Construction O-Ring #346583A1. Designed for durability and precision, this essential part ensures optimal sealing and reliability, keeping your machinery running smoothly in the toughest conditions. Perfect for maintenance and repairs.

Compatible equipment

This part fits LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE (NA) - ASN JJG0285001, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C500000, LOADER BACKHOE (TIER 3), LOADER BACKHOE (NORTH AMERICA), SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C304000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C5040000, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C307000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508000, LOADER BACKHOE - TIER 3, BACKHOE LOADER WIDE TRACK - TIER 3, CASE FORKLIFT, SERIES 3 FORKLIFT TIER 3 - ASN N8C510000 (NA), SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508500, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N7C431854, TRACTOR LOADER (REVISED 05/2005), TELEHANDLER 133HP 6M MY19 - TIER 4B, TELEHANDLER 133HP 7M MY19 - TIER 4B, TELEHANDLER 145HP 7M MY19 - TIER 4B, TELEHANDLER 133HP 9M MY19 - TIER 4B, TRACTOR LOADER - NA, TRACTOR LOADER TIER 3 (NA) including models 570MXT, 580L, 580M, 580N, 580SL, 580SM, 580SN, 580SN WT, 585G, 586G, 588G, 590SM, 590SN, LV80, TH6.32, TH7.42, TH9.35, U80, U80B.

Frequently asked questions

What is the part number?

The manufacturer part number is 346583A1.

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.