CASE CONSTRUCTION
OEM
Part No. 637-63173
O-ring
246 verified fitments
Select your machine to check fit
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
| Machine | Model | Years |
|---|---|---|
| Tractor | MAGNUM 405 | 2025 |
| Tractor | MAGNUM 180 | — |
| Tractor | MAGNUM 265 | 2025 |
| Tractor | MAGNUM 200 | — |
| Tractor | MAGNUM 220 | — |
| Tractor | MAGNUM 250 | — |
| Tractor | MAGNUM 280 | — |
| Tractor | MAGNUM 310 | — |
| Tractor | MAGNUM 340 | — |
| Tractor | MAGNUM 400 | — |
Enhance your heavy equipment’s performance with the Case Construction O-Ring #637-63173. Designed for durability and precision, this essential component ensures a reliable seal, optimizing efficiency in your construction projects. Trust Case for quality and longevity in every job.
Frequently asked questions
What is the part number?
The manufacturer part number is 637-63173.
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.
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.
- Manufacturer part number
- 637-63173
- Internal SKU
- IC:637-63173
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Best Sellers
- Weight
- 0.01 lb
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.
All 246 fitments
| Machine | Model | Years |
|---|---|---|
| Tractor | MAGNUM 405 | 2025 |
| Tractor | MAGNUM 180 | — |
| Tractor | MAGNUM 265 | 2025 |
| Tractor | MAGNUM 200 | — |
| Tractor | MAGNUM 220 | — |
| Tractor | MAGNUM 250 | — |
| Tractor | MAGNUM 280 | — |
| Tractor | MAGNUM 310 | — |
| Tractor | MAGNUM 340 | — |
| Tractor | MAGNUM 400 | — |
| Tractor | MAGNUM 380 | — |
| Tractor | OPTUM 270 | 2023 |
| Tractor | OPTUM 270 | — |
| Tractor | OPTUM 250 | — |
| Tractor | OPTUM 300 CVT | — |
| Tractor | OPTUM 300 | 2023 |
| Tractor | OPTUM 300 | — |
| Tractor | PUMA 200 | 2022 |
| Tractor | PUMA 185 | 2022 |
| Tractor | OPTUM 340 | 2023 |
| Tractor | OPTUM 300 CVX | — |
| Tractor | MAGNUM 295 | 2025 |
| Tractor | MAGNUM 265 | — |
| Tractor | PUMA 220 | 2022 |
| Tractor | MAGNUM 355 | — |
| Tractor | MAGNUM 355 | 2025 |
| Tractor | MAGNUM 325 | — |
| Tractor | MAGNUM 325 | 2025 |
| Tractor | MAGNUM 295 | — |
| Tractor | MAGNUM 385 | — |
| Tractor | MAGNUM 385 | 2025 |
| Tractor | PUMA 240 | 2022 |
| Tractor | MAGNUM 4004 | 2026 |
| Tractor | MAGNUM 4002 | 2025 |
| Tractor | QUANTUM 110N | — |
| Tractor | FARMALL 100N | — |
| Tractor | FARMALL 100CL | — |
| Tractor | FARMALL 110CL | — |
| Tractor | FARMALL 110N | — |
| Tractor | FARMALL 100V | — |
| Tractor | FARMALL 80CL | — |
| Tractor | FARMALL 120V | — |
| Tractor | FARMALL 120N | — |
| Tractor | FARMALL 120CL | — |
| Tractor | FARMALL 110V | — |
| Tractor | FARMALL 80V | — |
| Tractor | FARMALL 80N | — |
| Tractor | FARMALL 90N | — |
| Tractor | FARMALL 90CL | — |
| Tractor | QUANTUM 110F | — |
| Tractor | QUANTUM 100V | — |
| Tractor | QUANTUM 100N | — |
| Tractor | QUANTUM 100F | — |
| Tractor | QUANTUM 100CL | — |
| Tractor | FARMALL 90V | — |
| Tractor | QUANTUM 80F | — |
| Tractor | QUANTUM 80CL | — |
| Tractor | QUANTUM 120V | — |
| Tractor | QUANTUM 120N | — |
| Tractor | QUANTUM 120F | — |
| Tractor | QUANTUM 120CL | — |
| Tractor | QUANTUM 110V | — |
| Tractor | QUANTUM 90V | — |
| Tractor | QUANTUM 90N | — |
| Tractor | QUANTUM 90F | — |
| Tractor | QUANTUM 90CL | — |
| Tractor | QUANTUM 80V | — |
| Tractor | QUANTUM 80N | — |
| Tractor | QUANTUM 110CL | — |
| Tractor | 6250 TERRUS CVT | — |
| Tractor | 6340 TERRUS CVT | 2023 |
| Tractor | 6315 TERRUS CVT | 2023 |
| Tractor | 6300 TERRUS CVT | — |
| Tractor | 6290 TERRUS CVT | 2023 |
| Tractor | 6270 TERRUS CVT | — |
| Tractor | T8.440 | 2025 |
| Tractor | T8.385 | 2025 |
| Tractor | T8.415 | 2025 |
| Tractor | T8.355 | 2025 |
| Tractor | T8.325 | 2025 |
| Tractor | T7.230 | 2022 |
| Tractor | T7.260 | 2022 |
| Tractor | T7.245 | 2022 |
| Tractor | T7.275 HD | — |
| Tractor | T7.275 | — |
| Tractor | T7.290 HD | — |
| Tractor | T7.290 HD | 2023 |
| Tractor | T7.290 | — |
| Tractor | T7.340 HD | 2023 |
| Tractor | T7.315 HD | — |
| Tractor | T7.315 HD | 2023 |
| Tractor | T7.315 | — |
| Tractor | T8.320 | — |
| Tractor | T8.350 | — |
| Tractor | T8.380 | — |
| Tractor | T8.410 | — |
| Tractor | T8.435 | — |
| Tractor | T7.275 HD | 2023 |
| Tractor | T7.270 | 2022 |
| Tractor | T4.120F | — |
| Tractor | T4.100LP | — |
| Tractor | T4.100F | — |
| Tractor | T4.110F | — |
| Tractor | T4.100V | — |
| Tractor | T4.100N | — |
| Tractor | T4.110N | — |
| Tractor | T4.110LP | — |
| Tractor | T4.120LP | — |
| Tractor | T4.110V | — |
| Tractor | T4.80F | — |
| Tractor | T4.120V | — |
| Tractor | T4.120N | — |
| Tractor | T4.80N | — |
| Tractor | T4.80LP | — |
| Tractor | T4.90F | — |
| Tractor | T4.80V | — |
| Tractor | T4.90V | — |
| Tractor | T4.90N | — |
| Tractor | T4.90LP | — |
| Loader | C332 | 2025 |
| Dozer | 650M CRAWLER DOZER | 2023 |
| Dozer | 750M WT | — |
| Dozer | 750M LT | — |
| Dozer | 650M WT | — |
| Dozer | 650M LT | — |
| Loader | TV370B | 2025 |
| Skid Steer | SV185B | 2023 |
| Skid Steer | SV185B | — |
| Skid Steer | SR200B | 2023 |
| Skid Steer | SV280B | 2025 |
| Loader | C337 | 2025 |
| Skid Steer | L318 | 2023 |
| Skid Steer | L328 | 2025 |
| Skid Steer | L320 | 2023 |
| Loader | TV380B | — |
| Loader | TV370B | — |
| Loader | TR340B | — |
| Loader | TR320B | — |
| Loader | TR310B | — |
| Loader | TR270B | — |
| Loader | TV450B | — |
| Skid Steer | SR210B | — |
| Skid Steer | SR200B | — |
| Skid Steer | SR175B | — |
| Skid Steer | SR130B | — |
| Skid Steer | SR270B | — |
| Skid Steer | SR250B | — |
| Skid Steer | SR240B | — |
| Skid Steer | SR220B | — |
| Skid Steer | SV340B | — |
| Skid Steer | SV300B | — |
| Skid Steer | SV280B | — |
| Skid Steer | SV250B | — |
| Loader | C327 | — |
| Loader | C345 | — |
| Loader | C338 | — |
| Loader | C337 | — |
| Loader | C332 | — |
| Skid Steer | L320 | — |
| Skid Steer | L318 | — |
| Skid Steer | L334 | — |
| Skid Steer | L330 | — |
| Skid Steer | L328 | — |
| Skid Steer | L325 | — |
| Skid Steer | L323 | — |
| Skid Steer | L321 | — |
| Tractor | OPTUM 300 CVT | 2018 |
| Tractor | PUMA 220 | 2018 |
| Tractor | T7.260 | 2018 |
| Tractor | T7.245 | 2018 |
| Tractor | T7.270 | 2018 |
| Tractor | T7.315 | 2018 |
| Tractor | PUMA 185 | 2018 |
| Tractor | T7.290 | 2018 |
| Tractor | MAGNUM 240 | — |
| Tractor | PUMA 200 | 2018 |
| Tractor | T7.230 | 2018 |
| Tractor | MAGNUM 3154 | — |
| Tractor | OPTUM 270 CVT | 2018 |
| Loader | C245 | — |
| Loader | TV450 | — |
| Tractor | T7.195S | 2018 |
| Tractor | T7.215S | 2018 |
| Tractor | MAGNUM 2654 | — |
| Tractor | OPTUM 270 CVT | — |
| Loader | W300C | — |
| Loader | 1121F | — |
| Loader | 1021F | — |
| Loader | W270C | — |
| Tractor | T8.420 | — |
| Tractor | MAGNUM 370 | — |
| Tractor | MAGNUM 235 | — |
| Tractor | MAGNUM 290 | — |
| Tractor | MAGNUM 315 | — |
| Tractor | T8.275 | — |
| Tractor | T8.360 | — |
| Tractor | MAGNUM 260 | — |
| Tractor | T8.300 | — |
| Tractor | T8.330 | — |
| Tractor | T8.390 | — |
| Tractor | MAGNUM 210 | — |
| Tractor | MAGNUM 225 | — |
| Tractor | MAGNUM 190 | — |
| Tractor | T8030 | — |
| Tractor | TG275 | — |
| Combine | 7088 | — |
| Combine | 5088 | — |
| Combine | 6088 | — |
| Tractor | MAGNUM 335 | — |
| Tractor | T8010 | — |
| Tractor | TG215 | — |
| Tractor | MAGNUM 215 | — |
| Tractor | MAGNUM 245 | — |
| Tractor | MAGNUM 275 | — |
| Tractor | MAGNUM 305 | — |
| Tractor | T8050 | — |
| Tractor | T8040 | — |
| Tractor | T8020 | — |
| Tractor | TG245 | — |
| Tractor | TG305 | — |
| Tractor | MX215 | — |
| Tractor | MX245 | — |
| Tractor | MX305 | — |
| Tractor | MX275 | — |
| Tractor | MX285 | — |
| Tractor | TG285 | — |
| Tractor | MX210 | — |
| Tractor | MX255 | — |
| Tractor | MX230 | — |
| Tractor | TG210 | — |
| Tractor | TG255 | — |
| Tractor | TG230 | — |
| Tractor | MX100C | — |
| Tractor | MX180 | — |
| Tractor | MX220 | — |
| Tractor | MX200 | — |
| Tractor | MX240 | — |
| Tractor | MX90C | — |
| Tractor | MX80C | — |
| Tractor | MX270 | — |
| Tractor | MX150 | — |
| Tractor | MX135 | — |
| Tractor | MX100 | — |
| Tractor | MX170 | — |
| Tractor | MX120 | — |
| Tractor | MX110 | — |