O-ring
| Machine | Model | Years / S/N |
|---|---|---|
| WHEEL LOADER - TIER 4B (NA) | 1021G | 2016 – 2022 |
| WHEEL LOADER - TIER 4B (NA) | 1121G | 2016 – 2022 |
| ARTICULATED TRUCK | 325 | 2002 – 2006 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 40EC | 1971 – 1979 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 40YC | 1971 – 1979 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 50 | 1968 – 1979 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721D | 2003 – 2006 |
| WHEEL LOADER TIER 3 (NA) | 721E | 2006 – 2011 |
Enhance the performance of your Case Construction equipment with the durable O-Ring #8603275. Designed for optimal sealing and reliability, this essential part ensures efficient operation, reducing downtime and maintenance costs in heavy-duty applications.
Compatible equipment
This part fits WHEEL LOADER - TIER 4B (NA), ARTICULATED TRUCK, DROTT SERIES-A CRAWLER EXCAVATOR, CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 / TIER 2 (NA), WHEEL LOADER WASTE HANDLING - TIER 4A (NA), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), WHEEL LOADER TIER 3 NA/EU, MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB), ARTICULATED DUMP TRUCK, WHEEL LOADER (N.A. VERSION), WHEEL LOADER (REV 05/2005), WHEEL LOADER including models 1021G, 1121G, 325, 40EC, 40YC, 50, 721B, 721C, 721D, 721E, 721F, 721G, 821B, 821C, 821E, 821F, 821G, 885B, 921F, 921G, AD300, F200B, FR160.2, LW170.B, LW190.B.
Frequently asked questions
What is the part number?
The manufacturer part number is 8603275.
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.
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 8603275
- Internal SKU
- IC:8603275
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.01 lb
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.
All 37 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| WHEEL LOADER - TIER 4B (NA) | 1021G | 2016 – 2022 |
| WHEEL LOADER - TIER 4B (NA) | 1121G | 2016 – 2022 |
| ARTICULATED TRUCK | 325 | 2002 – 2006 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 40EC | 1971 – 1979 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 40YC | 1971 – 1979 |
| DROTT SERIES-A CRAWLER EXCAVATOR | 50 | 1968 – 1979 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721D | 2003 – 2006 |
| WHEEL LOADER TIER 3 (NA) | 721E | 2006 – 2011 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | 721F | 2011 – 2016 |
| WHEEL LOADER - TIER 4B (NA) | 721F | 2015 – 2016 |
| WHEEL LOADER WASTE HANDLING - TIER 4A (NA) | 721F | 2013 – 2014 |
| WHEEL LOADER - TIER 4B (NA) | 721G | 2016 – 2022 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821B | 1996 – 1997 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| WHEEL LOADER TIER 3 NA/EU | 821E | 2006 – 2011 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | 821F | 2011 – 2014 |
| WHEEL LOADER - TIER 4B (NA) | 821F | 2014 – 2016 |
| WHEEL LOADER - TIER 4B (NA) | 821G | 2016 – 2022 |
| MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR) | 885B | 2017 – 2022 |
| MOTOR GRADER TIER 3 (NEW CAB) | 885B | 2011 – 2017 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | 921F | 2010 – 2013 |
| WHEEL LOADER - TIER 4B (NA) | 921F | 2014 – 2016 |
| WHEEL LOADER - TIER 4B (NA) | 921G | 2016 – 2022 |
| ARTICULATED DUMP TRUCK | AD300 | 2001 – 2004 |
| MOTOR GRADER TIER 3 (NEW CAB) | F200B | 2010 – 2016 |
| WHEEL LOADER (N.A. VERSION) | FR160.2 | 1994 – 1998 |
| WHEEL LOADER (REV 05/2005) | LW170.B | 2003 – 2006 |
| WHEEL LOADER | LW190.B | 2002 – 2006 |
| MOTOR GRADER TIER 3 (NEW CAB) | RG200.B | 2010 – 2016 |
| WHEEL LOADER TIER 3 (NA) | W170B | 2006 – 2011 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | W170C | 2011 – 2016 |
| WHEEL LOADER TIER 3 (NA) | W190B | 2006 – 2011 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | W190C | 2011 – 2012 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | W230C | 2011 – 2015 |