CASE CONSTRUCTION
OEM
Part No. 300644
Circlip
Case Construction ·401 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 265 | 2025 |
| Tractor | MAGNUM 180 | — |
| Tractor | MAGNUM 200 | — |
| Tractor | MAGNUM 240 | — |
| Tractor | MAGNUM 220 | — |
| Tractor | MAGNUM 250 | — |
| Tractor | MAGNUM 280 | — |
| Tractor | MAGNUM 310 | — |
| Tractor | MAGNUM 340 | — |
| Tractor | MAGNUM 400 | — |
OEM Circlip M40 Int Phc #300644 - OEM Fastener and Pin Replacement for Case Construction Equipment Built to meet service-repair needs, this OEM component replaces failed originals impacted by repair of damaged pins, stripped hardware, or lost retainers during service and fastener fatigue, hardware loss, and poor component retention. Commonly sourced for bolt replacement, retainer clip service, and heavy equipment hardware repair needs on heavy equipment.
More Details
Part Number: 300644
Application: Typical repair use: Hardware replacement component used to repair loose mounting points, missing fasteners, bent pins, or worn retention hardware.
Key Features:
- Designed to replace damaged pins, bolts, washers, or retaining hardware
- Supports repair of looseness, poor retention, and hardware-related service issues
- OEM-style fit for efficient installation in routine maintenance
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
Replaces the following OEM and aftermarket part numbers. Click any reference to search for matching parts.
- Manufacturer part number
- 300644
- Internal SKU
- IC:300644
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- 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 401 fitments
| Machine | Model | Years |
|---|---|---|
| Tractor | MAGNUM 265 | 2025 |
| Tractor | MAGNUM 180 | — |
| Tractor | MAGNUM 200 | — |
| Tractor | MAGNUM 240 | — |
| Tractor | MAGNUM 220 | — |
| Tractor | MAGNUM 250 | — |
| Tractor | MAGNUM 280 | — |
| Tractor | MAGNUM 310 | — |
| Tractor | MAGNUM 340 | — |
| Tractor | MAGNUM 400 | — |
| Tractor | MAGNUM 380 | — |
| Tractor | MAGNUM 295 | 2025 |
| Tractor | MAGNUM 265 | — |
| Tractor | MAGNUM 385 | — |
| Tractor | MAGNUM 355 | — |
| Tractor | MAGNUM 355 | 2025 |
| Tractor | MAGNUM 325 | — |
| Tractor | MAGNUM 325 | 2025 |
| Tractor | MAGNUM 295 | — |
| Tractor | MAGNUM 405 | 2025 |
| Tractor | MAGNUM 385 | 2025 |
| Baler | RB466 HD PRO. | — |
| Baler | RB456 HD PRO. | — |
| Baler | RB456 HD PRO | — |
| Baler | RB466 HD PRO | — |
| Combine | AXIAL-FLOW 7260 | 2026 |
| Combine | 7250 | 2023 |
| Combine | 8250 | 2023 |
| Combine | AF10 | — |
| Combine | AF10 E5 | — |
| Combine | AF10 A5 | — |
| Combine | 5160 | 2026 |
| Combine | AF11 A5 | — |
| Combine | AF9 | — |
| Combine | AF9 E5 | — |
| Combine | AF9 A5 | — |
| Combine | AF11 | — |
| Combine | 5160 | — |
| Combine | 7160 | — |
| Combine | 7160 | 2024 |
| Combine | 6160 | 2024 |
| Combine | 6160 | — |
| Combine | 5160 | 2024 |
| Combine | AF10 A5 MY26 | — |
| Combine | 8260 AXIAL-FLOW | 2025 |
| Combine | 6160 | 2026 |
| Combine | AF9 MY26 | — |
| Combine | AF9 E5 MY26 | — |
| Combine | AF9 A5 MY26 | — |
| Combine | AF11 A5 MY26 | — |
| Combine | AF10 MY26 | — |
| Combine | AF10 E5 MY26 | — |
| Combine | 7160 | 2026 |
| Combine | AXIAL-FLOW 8260 | 2027 |
| Combine | AXIAL-FLOW 7260 | 2027 |
| Combine | AXIAL-FLOW 8260 | 2026 |
| Tractor | T8.440 | 2025 |
| Tractor | T8.415 | 2025 |
| Tractor | T8.385 | 2025 |
| Tractor | T8.325 | 2025 |
| Tractor | T8.355 | 2025 |
| Tractor | T8.320 | — |
| Tractor | T8.350 | — |
| Tractor | T8.380 | — |
| Tractor | T8.410 | — |
| Tractor | T8.435 | — |
| Harvester | FR780 A5 | — |
| Harvester | FR480 K4 | — |
| Harvester | FR550 K4 | — |
| Harvester | FR450 I3 | — |
| Harvester | FR480 A5 | — |
| Harvester | FR650 E5 | — |
| Harvester | FR650 E2 | — |
| Harvester | FR650 A5 | — |
| Harvester | FR550 E5 | — |
| Harvester | FR550 A5 | — |
| Harvester | FR500 I3 | — |
| Harvester | FR480 E5 | — |
| Harvester | FR920 E5 | — |
| Harvester | FR920 A5 | — |
| Harvester | FR780 E5 | — |
| Harvester | FR780 E2 | — |
| Baler | PRO-BELT 450 | — |
| Baler | PRO-BELT 165 | — |
| Baler | PRO-BELT 190 | — |
| Baler | PRO-BELT 460 | — |
| Combine | CR11 TRE5 | — |
| Combine | CR10 TR | — |
| Combine | CR10 E5 | — |
| Combine | CR10 A5 | — |
| Combine | CR11 TRA5 | — |
| Combine | CR11 TR | — |
| Combine | CR11 E5 | — |
| Combine | CR11 A5 | — |
| Combine | CR10 | — |
| Combine | CR10 TRE5 | — |
| Combine | CR10 TRA5 | — |
| Combine | CR11 | — |
| Excavator | CX490D LC | — |
| Excavator | CX75C SR | — |
| Excavator | CX80C | — |
| Tractor | MAGNUM 4002 | 2025 |
| Combine | 7260 AXIAL-FLOW | 2025 |
| Harvester | FR550 A5. | — |
| Harvester | FR780 A5. | — |
| Harvester | FR650 E2. | — |
| Harvester | FR650 A5. | — |
| Harvester | FR920 A5. | — |
| Combine | 7260 AXIAL-FLOW | 2024 |
| Combine | 7250 | 2024 |
| Combine | 8250 | 2024 |
| Loader | L350A | — |
| Excavator | CX490D RTC | — |
| Combine | 5150 | — |
| Combine | 6150 | — |
| Combine | 7150 | — |
| Combine | 6150 | 2023 |
| Combine | 7150 | 2023 |
| Combine | 7250 | 2022 |
| Tractor | TT75 | — |
| Harvester | FR480 A5. | — |
| Combine | 8250 | 2022 |
| Combine | 6150 | 2022 |
| Combine | 5150 | 2022 |
| Combine | 7150 | 2022 |
| Combine | 6150 | 2021 |
| Combine | 7150 | 2021 |
| Combine | 7250 | 2021 |
| Combine | 8250 | 2021 |
| Combine | 5150 | 2021 |
| Loader | 250TLA | — |
| Excavator | CX500D LC | — |
| Excavator | CX300C | — |
| Combine | 6150 | 2020 |
| Combine | 7250 | 2020 |
| Combine | 8250 | 2020 |
| Combine | 5150 | 2020 |
| Combine | 7150 | 2020 |
| Harvester | FR650 A4 | — |
| Harvester | FR480 A4 | — |
| Excavator | CX80 | — |
| Combine | 7250 | 2019 |
| Combine | 8250 | 2019 |
| Harvester | FR550 A4 | — |
| Baler | RB455 | — |
| Baler | RB465 | — |
| Baler | ROLL-BELT 460 | — |
| Baler | ROLL-BELT 150 | — |
| Baler | ROLL-BELT 180 | — |
| Baler | ROLL-BELT 450 | — |
| Harvester | FR920 A4B | — |
| Combine | 6140 | — |
| Harvester | FR780 A4 | — |
| Excavator | CX470B | — |
| Mower | MEGACUTTER 530 | — |
| Excavator | CX350B | — |
| Combine | 5140 | 2018 |
| Combine | 6140 | 2018 |
| Combine | 7140 | 2018 |
| Combine | 7240 | 2018 |
| Combine | 8240 | 2018 |
| Excavator | CX75SR | — |
| Tractor | MAGNUM 3154 | — |
| Harvester | FR850 A2 | — |
| Engine | AQ-6HK1XASS01-02 | — |
| Combine | 5140 | — |
| Combine | 7140 | — |
| Combine | 7240 | — |
| Combine | 8240 | — |
| Cotton Picker | 635 | — |
| Tractor | MAGNUM 2654 | — |
| Excavator | CX290B | — |
| Excavator | CX470C | — |
| Excavator | CX500D RTC | — |
| Combine | AF6130 CMN CAB | — |
| Harvester | FR700 A3 | — |
| Harvester | FR450 A4 | — |
| Harvester | FR600 A3 | — |
| Harvester | FR500 A4 | — |
| Excavator | CX350C | — |
| Loader | W80BTC | — |
| Combine | 9230 | — |
| Combine | 7230 | — |
| Combine | 8230 | — |
| Tractor | T8.420 | — |
| Tractor | MAGNUM 370 | — |
| Loader | 121E SERIES 3 | — |
| Loader | 21E SERIES 3 | — |
| Loader | 221E SERIES 3 | — |
| Loader | 321E SERIES 3 | — |
| Tractor | MAGNUM 235 | — |
| Tractor | MAGNUM 290 | — |
| Tractor | MAGNUM 315 | — |
| Tractor | T8.275 | — |
| Tractor | T8.360 | — |
| Loader | W70BTC | — |
| Tractor | MAGNUM 260 | — |
| Tractor | T8.300 | — |
| Tractor | T8.330 | — |
| Tractor | T8.390 | — |
| Loader | W50BTC | — |
| Loader | W60BTC | — |
| Tractor | MAGNUM 210 | — |
| Tractor | MAGNUM 225 | — |
| Combine | 5130 | — |
| Combine | 6130 | — |
| Tractor | MAGNUM 190 | — |
| Combine | 7130 | — |
| Engine | AQ-6UZ1XASS01 | — |
| Harvester | FR500 A3 | — |
| Harvester | FR450 A3 | — |
| Mower | 716541026 | — |
| Mower | 716431001 | — |
| Mower | 715667016 | — |
| Mower | 716542016 | — |
| Mower | 716739006 | — |
| Mower | 716738006 | — |
| Tractor | T2310 | — |
| Tractor | B22 - CL4.75 FRONT AXLES | — |
| Tractor | TT55 | — |
| Tractor | TT65 | — |
| Tractor | BOOMER 3045 | — |
| Harvester | FR9060 | — |
| Harvester | FR9050 | — |
| Harvester | FR9040 | — |
| Harvester | FR9090 | — |
| Harvester | FR9080 | — |
| Combine | 7120 | — |
| Combine | 8120 | — |
| Combine | 9120 | — |
| Combine | CR9040 | — |
| Combine | CR9070 | — |
| Combine | CR9065 | — |
| Combine | CR9060 | — |
| Tractor | MAGNUM 335 | — |
| Tractor | FARMALL 40 | — |
| Tractor | MAGNUM 215 | — |
| Tractor | MAGNUM 245 | — |
| Tractor | MAGNUM 275 | — |
| Tractor | MAGNUM 305 | — |
| Tractor | FARMALL 45 | — |
| Tractor | T8050 | — |
| Tractor | BOOMER 3040 | — |
| Combine | 7010 | — |
| Tractor | D40 | — |
| Tractor | DX40 | — |
| Tractor | T2320 | — |
| Excavator | CX330 | — |
| Excavator | CX460 | — |
| Combine | 2388 | — |
| Combine | 2588 | — |
| Combine | 9010 | — |
| Combine | 2377 | — |
| Loader | 221E | — |
| Excavator | CX350 | — |
| Tractor | TC45DA | — |
| Tractor | TC40DA | — |
| Tractor | TC35DA | — |
| Tractor | DX45 | — |
| Tractor | D45 | — |
| Tractor | DX35 | — |
| Excavator | CX290 | — |
| Mower | GT75 | — |
| Tractor | TJ325 | — |
| Tractor | TJ275 | — |
| Tractor | TJ375 | — |
| Tractor | TJ425 | — |
| Tractor | MX275 | — |
| Tractor | MX245 | — |
| Tractor | MX215 | — |
| Tractor | MX305 | — |
| Tractor | TC35A | — |
| Tractor | TC35D | — |
| Tractor | TJ450 | — |
| Tractor | TJ500 | — |
| Tractor | 3010S | — |
| Combine | TX66 | — |
| Loader | 21D | — |
| Loader | 221D | — |
| Loader | 321D | — |
| Loader | LW80.B | — |
| Loader | LW50.B | — |
| Mower | GT65 | — |
| Tractor | 4010S | — |
| Mower | 715643001 | — |
| Sprayer | SPX2130 | — |
| Tractor | TC45D | — |
| Tractor | TN70S | — |
| Tractor | TN70D | — |
| Excavator | EC35 | — |
| Tractor | 914-SERIES | — |
| Tractor | 9801912 | — |
| Tractor | 1100 | — |
| Tractor | 5010S | — |
| Tractor | TC40D | — |
| Excavator | EC25 | — |
| Baler | B27P | — |
| Baler | B37P | — |
| Tractor | CX60 | — |
| Tractor | CX50 | — |
| Tractor | CX100 | — |
| Tractor | CX90 | — |
| Tractor | CX80 | — |
| Tractor | CX70 | — |
| Tractor | MX100C | — |
| Tractor | MX90C | — |
| Tractor | MX80C | — |
| Combine | TR99 | — |
| Excavator | 9007B | — |
| Combine | TR89 | — |
| Tractor | 2140 | — |
| Tractor | 2130 | — |
| Tractor | 2120 | — |
| Tractor | 2150 | — |
| Combine | TX68 | — |
| Combine | TR88 | — |
| Combine | TR98 | — |
| Mower | 9828540 | — |
| Excavator | EW200 | — |
| Excavator | EW220 | — |
| Mower | 715667001 | — |
| Excavator | 9045B | — |
| Excavator | 9040B | — |
| Excavator | 9030B | — |
| Mower | GT85 | — |
| Mower | 9843906 | — |
| Mower | 9847589 | — |
| Tractor | L65 | — |
| Mower | GT95 | — |
| Tractor | 5240 | — |
| Tractor | 5230 | — |
| Mower | 9802798 | — |
| Mower | 9828527 | — |
| Mower | 9828532 | — |
| Mower | 9828531 | — |
| Mower | 9828528 | — |
| Mower | 9828539 | — |
| Mower | 716430001 | — |
| Mower | 9802797 | — |
| Mower | 9828530 | — |
| Mower | 9828529 | — |
| Mower | 9828537 | — |
| Mower | 9828538 | — |
| Tractor | 5250 | — |
| Combine | TR97 | — |
| Combine | TR96 | — |
| Mower | LGT16D | — |
| Combine | TX36 | — |
| Mower | LGT14D | — |
| Excavator | 220B | — |
| Excavator | 220 | — |
| Excavator | 220CKS | — |
| Loader | FL14E | — |
| Tractor | 1140 | — |
| Tractor | 1130 | — |
| Tractor | 1120 | — |
| Mower | 9607256 | — |
| Mower | 9607257 | — |
| Mower | 09SA1448 | — |
| Mower | 9801906 | — |
| Mower | 9801819 | — |
| Mower | 9801818 | — |
| Mower | 9801816 | — |
| Excavator | 170C | — |
| Tractor | 433 | — |
| Excavator | 125B | — |
| Excavator | 170B | — |
| Tractor | 9607334 | — |
| Tractor | 9607333 | — |
| Tractor | 9607335 | — |
| Mower | 9618784 | — |
| Mower | 9618528 | — |
| Mower | 9618816 | — |
| Mower | 9618785 | — |
| Tractor | 234 | — |
| Tractor | 235 | — |
| Mower | 9607255 | — |
| Mower | 09SA1400 | — |
| Tractor | 733 | — |
| Tractor | 633 | — |
| Tractor | 533 | — |
| Tractor | 833 | — |
| Combine | TR95 | — |
| Combine | TR70 | — |
| Excavator | 75P | — |
| Excavator | 115CL | — |
| Excavator | 160CL | — |
| Excavator | 160CKS | — |
| Excavator | 160CK | — |
| Harvester | 1895 | — |
| Combine | 1520 | — |
| Combine | 1500 | — |
| Harvester | 1890 | — |
| Combine | 1400 | — |
| Excavator | LC80M | — |
| Excavator | LC80 | — |
| Excavator | SC150K | — |
| Excavator | SC150 | — |
| Excavator | SC150L | — |
| Baler | S66 | — |
| Baler | 66 | — |