Serrated Bolt
| Machine | Model | Years / S/N |
|---|---|---|
| Engine | NEW HOLLAND RP85 | — |
| Engine | NH RPZ85 | — |
| Engine | RP85 | — |
| Engine | RP65 | — |
| Engine | RPZ65 | — |
| Engine | RPZ85 | — |
| Engine | NH RPZ65 | — |
| Engine | NEW HOLLAND RP65 | — |
| Tractor | 8870 | — |
| Harvester | 8750 | — |
The 121-3 is a genuine OEM CASE Construction serrated bolt, sourced directly from CASE and available from Southeastern Equipment Company.
Compatible equipment
This part fits Mower; Tractor including models 8315, 8380, 8820, 8825, 8825HP, 8840, 8850, 8860HP, 8880, 8880HP, 8910, 8920, 8930, 8950.
Frequently asked questions
What is the part number?
The manufacturer part number is 121-3.
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.
- Manufacturer part number
- 121-3
- Internal SKU
- IC:121-3
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.1 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 94 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Engine | NEW HOLLAND RP85 | — |
| Engine | NH RPZ85 | — |
| Engine | RP85 | — |
| Engine | RP65 | — |
| Engine | RPZ65 | — |
| Engine | RPZ85 | — |
| Engine | NH RPZ65 | — |
| Engine | NEW HOLLAND RP65 | — |
| Tractor | 8870 | — |
| Harvester | 8750 | — |
| Baler | RS451 | — |
| Baler | RS561A | — |
| Baler | RS561 | — |
| Baler | RS551 | — |
| Baler | 8575 | — |
| Mower | DC515 | — |
| Tractor | 8860 | — |
| Tractor | 8825HP | — |
| Tractor | 8825 | — |
| Tractor | 8880HP | — |
| Tractor | 8880 | — |
| Tractor | 8860HP | — |
| Mower | 8315 | — |
| Tractor | 8850 | — |
| Tractor | 8840 | — |
| Tractor | 8820 | — |
| Tractor | 8930 | — |
| Tractor | 8910 | — |
| Tractor | 8920 | — |
| Tractor | 8950 | — |
| Mower | 8380 | — |
| Mower | 8370 | — |
| Mower | 8350 | — |
| Tractor | 8830 | — |
| Tractor | 7210 | — |
| Tractor | 7250 | — |
| Tractor | 7240 | — |
| Tractor | 7230 | — |
| Tractor | 7220 | — |
| Tractor | 8940 | — |
| Tractor | 7150 | — |
| Tractor | 7140 | — |
| Tractor | 7130 | — |
| Tractor | 7120 | — |
| Tractor | 7110 | — |
| Mower | 8360 | — |
| Tractor | 2096 | — |
| Tractor | 1896 | — |
| Tractor | 4994 | — |
| Engine | 504DTI | — |
| Engine | 504DT | — |
| Tractor | 2394 | — |
| Tractor | 2294 | — |
| Tractor | 3594 | — |
| Tractor | 3394 | — |
| Tractor | 2594 | — |
| Tractor | 4894 | — |
| Tractor | 4494 | — |
| Skid Steer | 1816C | — |
| Skid Steer | 1835B | — |
| Tractor | 4694 | — |
| Tractor | 3294 | — |
| Skid Steer | 1845B | — |
| Tractor | 2094 | — |
| Tractor | 2090 | — |
| Tractor | 2390 | — |
| Tractor | 2290 | — |
| Tractor | 2590 | — |
| Tractor | 4890 | — |
| Tractor | 4690 | — |
| Tractor | 4490 | — |
| Skid Steer | 4130 | — |
| Tractor | 2470 | — |
| Tractor | 2870 | — |
| Tractor | 2670 | — |
| Engine | 451BD | — |
| Engine | 336DT | — |
| Engine | 336D | — |
| Engine | 336BDT | — |
| Engine | 336BD | — |
| Engine | 301BD | — |
| Engine | 504D | — |
| Engine | 504BDT | — |
| Engine | 504BD | — |
| Engine | 451BDT | — |
| Tractor | 1370 | — |
| Tractor | 1270 | — |
| Tractor | 1175 | — |
| Tractor | 1070 | — |
| Tractor | 1570 | — |
| Tractor | 970 | — |
| Tractor | 870 | — |
| Tractor | 770 | — |
| Engine | 201 | — |