CASE CONSTRUCTION
OEM
Part No. J678912
O-ring
165 verified fitments
Select your machine to check fit
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
| Machine | Model | Years |
|---|---|---|
| Cotton Picker | CE420 | — |
| Cotton Picker | CPX420 | — |
| Cotton Picker | 620 | — |
| Sprayer | PATRIOT 4430 | — |
| Engine | RP165 | — |
| Engine | RP135 | — |
| Engine | PX240 | — |
| Engine | NH RP135 | — |
| Cotton Picker | CPX620 | — |
| Engine | NH RP165 | — |
Enhance your heavy equipment’s performance with the Case Construction O-Ring #J678912. 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.
Frequently asked questions
What is the part number?
The manufacturer part number is J678912.
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
- J678912
- Internal SKU
- IC:J678912
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.0 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 165 fitments
| Machine | Model | Years |
|---|---|---|
| Cotton Picker | CE420 | — |
| Cotton Picker | CPX420 | — |
| Cotton Picker | 620 | — |
| Sprayer | PATRIOT 4430 | — |
| Engine | RP165 | — |
| Engine | RP135 | — |
| Engine | PX240 | — |
| Engine | NH RP135 | — |
| Cotton Picker | CPX620 | — |
| Engine | NH RP165 | — |
| Engine | PX215 | — |
| Tractor | T8030 | — |
| Tractor | TG275 | — |
| Cotton Picker | 625 | — |
| Combine | 7088 | — |
| Combine | 6088 | — |
| Combine | 5088 | — |
| Combine | CR9040 | — |
| Tractor | STEIGER 335 | — |
| Engine | 6TAA-8304 305HP | — |
| Engine | 6TAA-8304 275HP | — |
| Engine | 6TAA-9004 350HP | — |
| Tractor | T9020 | — |
| Combine | CR9060 | — |
| Engine | CR9040 | — |
| Engine | CR9060 | — |
| Sprayer | 4420 | — |
| Tractor | MAGNUM 335 | — |
| Tractor | T8010 | — |
| Tractor | TG215 | — |
| Tractor | MAGNUM 305 | — |
| Tractor | MAGNUM 275 | — |
| Tractor | MAGNUM 245 | — |
| Tractor | MAGNUM 215 | — |
| Tractor | T8050 | — |
| Tractor | T8040 | — |
| Tractor | T8020 | — |
| Tractor | TG305 | — |
| Tractor | TG245 | — |
| Tractor | MAGNUM 255 | — |
| Cotton Picker | 420 | — |
| Cotton Picker | 420 TIER 3 | — |
| Engine | SE215 | — |
| Sprayer | SPX3185 | — |
| Dozer | 550H | — |
| Tractor | 570MXT | — |
| Sprayer | 3150 | — |
| Sprayer | 3210 | — |
| Sprayer | 3185 | — |
| Sprayer | SPX3150 | — |
| Dozer | 550H-IND | — |
| Excavator | CX130 | — |
| Combine | 2388 | — |
| Combine | 2577 | — |
| Combine | 2588 | — |
| Tractor | U80 | — |
| Combine | 2377 | — |
| Forklift | 586G | — |
| Forklift | 585G | — |
| Forklift | 588G | — |
| Sprayer | SPX3310 | — |
| Tractor | LV80 | — |
| Engine | SE240 | — |
| Engine | SE190 | — |
| Loader | 521D | — |
| Tractor | STEIGER 280 | — |
| Tractor | STEIGER 330 | — |
| Tractor | STEIGER STX280 | 2006 |
| Tractor | STEIGER STX330 | 2006 |
| Tractor | TJ330 | — |
| Tractor | T9010 | — |
| Tractor | TJ280 | — |
| Excavator | CX290 | — |
| Excavator | CX240 | — |
| Tractor | TJ275 | — |
| Tractor | TJ325 | — |
| Excavator | CX210 | — |
| Excavator | CX240LR | — |
| Excavator | CX210LR | — |
| Loader | 821C | — |
| Excavator | CX160 | — |
| Tractor | MX215 | — |
| Tractor | MX245 | — |
| Tractor | MX305 | — |
| Tractor | MX275 | — |
| Sprayer | SPX4420 | — |
| Sprayer | SPX4410 | — |
| Tractor | MX285 | — |
| Tractor | TG285 | — |
| Dozer | 1150H | — |
| Tractor | MX210 | — |
| Tractor | MX255 | — |
| Tractor | MX230 | — |
| Tractor | STEIGER STX275 | 2000 |
| Tractor | STEIGER STX325 | 2000 |
| Tractor | TG210 | — |
| Tractor | TG230 | — |
| Tractor | TG255 | — |
| Tractor | TJ450 | — |
| Tractor | STX325 | — |
| Cotton Picker | CPX610 | — |
| Skid Steer | 40XT | — |
| Skid Steer | 70XT | — |
| Skid Steer | 90XT | — |
| Skid Steer | 85XT | — |
| Excavator | CX330 | — |
| Dozer | 850K | 2002 – 2005 |
| Dozer | 650K | 2002 – 2005 |
| Skid Steer | 60XT | — |
| Dozer | 750K | 2002 – 2005 |
| Sprayer | SPX3200 | — |
| Engine | PX190 | — |
| Backhoe | 580SM | — |
| Trencher | 6030 | — |
| Trencher | 960 | — |
| Skid Steer | 95XT | — |
| Skid Steer | 75XT | — |
| Combine | 2366 | — |
| Backhoe | 580M | — |
| Backhoe | 590SM | — |
| Trencher | 660 | — |
| Tractor | MX240 | — |
| Tractor | MX270 | — |
| Dozer | 650H | — |
| Dozer | 750H | — |
| Dozer | 850H | — |
| Loader | 621D | — |
| Trencher | 860 | — |
| Tractor | MX150 | — |
| Tractor | MX135 | — |
| Tractor | MX100 | — |
| Tractor | MX170 | — |
| Tractor | MX120 | — |
| Tractor | MX110 | — |
| Combine | 2344 | — |
| Loader | 621C | — |
| Tractor | 570LXT | — |
| Skid Steer | 1845C | — |
| Skid Steer | 1840 | — |
| Sprayer | SPX3200B | — |
| Tractor | 8825 | — |
| Tractor | 8880HP | — |
| Tractor | 8880 | — |
| Tractor | 8870 | — |
| Tractor | 8860HP | — |
| Tractor | 8860 | — |
| Tractor | 8825HP | — |
| Excavator | 9010B | — |
| Excavator | 9030B | — |
| Backhoe | 580L | — |
| Backhoe | 580SL | — |
| Backhoe | 590SL | — |
| Engine | 6591TA | — |
| Engine | 6591T | — |
| Engine | 4391TA | — |
| Engine | 4391T | — |
| Engine | 4391 | — |
| Dozer | 650G | — |
| Dozer | 850G | — |
| Forklift | 584E | — |
| Dozer | 550G | — |
| Loader | 621B | — |
| Excavator | 125B | — |
| Forklift | 586E | — |
| Forklift | 585E | — |