Lock Nut
| Machine | Model | Years / S/N |
|---|---|---|
| Loader | 921C | — |
| Tractor | STX375 | — |
| Tractor | STEIGER STX375 | 2000, 2001 |
| Forklift | 584 | — |
| Forklift | 585 | — |
| Tractor | STEIGER ST225 BEARCAT | — |
| Tractor | STEIGER BEARCAT | — |
| Loader | 721C | — |
| Backhoe | D130 | — |
| Excavator | 9045B | — |
OEM Lock Nut 5/16"-24 G8 Nut - Hex Lock 5/8 Inch Nf Part Of Starter Brushing Kit P/N A187514 #131 - OEM Fastener and Pin Replacement for Case Construction Equipment This OEM service replacement repairs worn equipment systems affected by replacement of fastening hardware affected by wear, stretch, or breakage, a condition often paired with stripped threads, bent pins, loose mounting, and lost clips. Aligned with search intent around bolt replacement, retainer clip service, and heavy equipment hardware repair service parts.
More Details
Part Number: 131
Application: Primary service use: Hardware replacement component used to repair loose mounting points, missing fasteners, bent pins, or worn retention hardware.
Key Features:
- OEM replacement for missing, bent, worn, or stripped hardware components
- Helps restore secure retention, alignment, and dependable equipment assembly during service
- Direct-fit service hardware for repair and maintenance replacement work
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 131-489
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.49 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 235 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Loader | 921C | — |
| Tractor | STX375 | — |
| Tractor | STEIGER STX375 | 2000, 2001 |
| Forklift | 584 | — |
| Forklift | 585 | — |
| Tractor | STEIGER ST225 BEARCAT | — |
| Tractor | STEIGER BEARCAT | — |
| Loader | 721C | — |
| Backhoe | D130 | — |
| Excavator | 9045B | — |
| Excavator | 9040B | — |
| Tractor | STEIGER 9390 | — |
| Tractor | STEIGER 9380 | — |
| Tractor | STEIGER 9370 | — |
| Tractor | STEIGER 9350 | — |
| Tractor | STEIGER 9380 QUADTRAC | — |
| Tractor | STEIGER 9370 QUADTRAC | — |
| Tractor | STEIGER PANTHER | — |
| Loader | 921B | — |
| Loader | 921 | — |
| Tractor | 9280 | — |
| Tractor | STEIGER 9280 | — |
| Tractor | STEIGER 9270 | — |
| Tractor | STEIGER 9250 | — |
| Dozer | 1150E | — |
| Dozer | 1155E | — |
| Dozer | 1550 | — |
| Excavator | 9040 | — |
| Backhoe | 35WL | — |
| Backhoe | 35C WL | — |
| Backhoe | D100XR | — |
| Tractor | STEIGER 9260 | — |
| Cotton Picker | 1844 | — |
| Cotton Picker | 1822 | — |
| Loader | W20B | — |
| Combine | 1640 | — |
| Combine | 1620 | — |
| Loader | 721 | — |
| Loader | 821 | — |
| Combine | 1670 | — |
| Tractor | 9270 | — |
| Tractor | STEIGER 9190 | — |
| Tractor | KP-525 | — |
| Loader | 300C | — |
| Tractor | STEIGER 9150 | — |
| Tractor | STEIGER 9180 | — |
| Tractor | STEIGER 9170 | — |
| Combine | 1660 | — |
| Loader | W14B | — |
| Loader | W20C | — |
| Loader | W36 | — |
| Loader | W30 | — |
| Backhoe | D100 | — |
| Combine | 1680 | — |
| Tractor | STEIGER 9130 | — |
| Tractor | STEIGER 9110 | — |
| Tractor | 4994 | — |
| Tractor | STEIGER ST310 PANTHER | — |
| Tractor | STEIGER ST280 COUGAR | — |
| Tractor | STEIGER ST270 COUGAR | — |
| Tractor | STEIGER ST251 COUGAR | — |
| Tractor | STEIGER ST250 COUGAR | — |
| Tractor | STEIGER ST350 PANTHER | — |
| Tractor | STEIGER ST325 PANTHER | — |
| Tractor | STEIGER ST320 PANTHER | — |
| Excavator | 1080B | — |
| Excavator | 1187B | — |
| Loader | W18B | — |
| Skid Steer | 1700-SERIES | — |
| Skid Steer | 1529 | — |
| Skid Steer | 1500-SERIES | — |
| Skid Steer | 1845S | — |
| Skid Steer | 1845 | — |
| Tractor | STEIGER WILDCAT | — |
| Tractor | STEIGER PUMA | — |
| Tractor | 4894 | — |
| Tractor | STEIGER | — |
| Tractor | STEIGER LION | — |
| Combine | 1470 | — |
| Cotton Picker | 782 | — |
| Dozer | 1455B | — |
| Dozer | 1450B | — |
| Excavator | 880D | — |
| Skid Steer | 1835B | — |
| Cotton Picker | 1400 | — |
| Dozer | 1150D | — |
| Dozer | 1155D | — |
| Excavator | 1080 | — |
| Excavator | 1280B | — |
| Loader | W14H | — |
| Loader | W14FL | — |
| Loader | W14 | — |
| Tractor | STEIGER COUGAR | — |
| Tractor | 7488 | — |
| Tractor | 7288 | — |
| Tractor | STEIGER CR-1225 COUGAR | — |
| Tractor | STEIGER CR-1280 COUGAR | — |
| Tractor | STEIGER KR-1280 COUGAR | — |
| Tractor | STEIGER KR-1225 COUGAR | — |
| Tractor | STEIGER KP-525 TIGER | — |
| Excavator | 1187 | — |
| Loader | W24C | — |
| Excavator | 1085B | — |
| Excavator | 1086B | — |
| Forklift | 586 | — |
| Backhoe | 780B | — |
| Skid Steer | 1845B | — |
| Tractor | STEIGER CM360 PANTHER | — |
| Tractor | STEIGER CM325 PANTHER | — |
| Tractor | STEIGER KM-360 PANTHER | — |
| Tractor | STEIGER KM-325 PANTHER | — |
| Tractor | STEIGER KM-280 COUGAR | — |
| Tractor | STEIGER KM-225 BEARCAT | — |
| Tractor | STEIGER CS-360 PANTHER | — |
| Tractor | STEIGER KS-360 PANTHER | — |
| Tractor | STEIGER KS-325 PANTHER | — |
| Tractor | STEIGER KS-280 COUGAR | — |
| Tractor | STEIGER SM-325 PANTHER | — |
| Combine | 1480 | — |
| Combine | 1460 | — |
| Combine | 1440 | — |
| Dozer | 850B | — |
| Dozer | 1150C | — |
| Dozer | 1150B | — |
| Dozer | 850C | — |
| Dozer | 855C | — |
| Excavator | 1280 | — |
| Excavator | 880C | — |
| Backhoe | 680H | — |
| Tractor | 2590 | — |
| Tractor | 2390 | — |
| Tractor | 2290 | — |
| Tractor | 2090 | — |
| Tractor | 4690 | — |
| Tractor | 4490 | — |
| Tractor | 6788 | — |
| Tractor | 6588 | — |
| Tractor | 6388 | — |
| Tractor | 4890 | — |
| Tractor | STEIGER CP-1400 PANTHER | — |
| Tractor | STEIGER CP-1360 PANTHER | — |
| Tractor | STEIGER CP-1325 PANTHER | — |
| Tractor | STEIGER KP-1400 PANTHER | — |
| Tractor | STEIGER KP-1360 PANTHER | — |
| Tractor | STEIGER KP-1325 PANTHER | — |
| Tractor | STEIGER PTA280 COUGAR | — |
| Excavator | 50 | — |
| Loader | W18 | — |
| Loader | W20 | — |
| Backhoe | 35 | — |
| Tractor | STEIGER PT225 BEARCAT | — |
| Tractor | STEIGER PTA325 PANTHER | — |
| Tractor | STEIGER PTA310 PANTHER | — |
| Tractor | STEIGER ST470 TIGER | — |
| Tractor | STEIGER ST450 TIGER | — |
| Combine | 1420 | — |
| Excavator | 40 | — |
| Skid Steer | 1835 | — |
| Tractor | 4586 | — |
| Tractor | 4786 | — |
| Tractor | STEIGER PTA270 COUGAR | — |
| Tractor | STEIGER PTA251 COUGAR | — |
| Tractor | STEIGER PT270 COUGAR | — |
| Tractor | STEIGER PTA297 PANTHER | — |
| Excavator | 980B | — |
| Backhoe | 780 | — |
| Backhoe | 680G | — |
| Tractor | STEIGER ST210 WILDCAT | — |
| Dozer | 1450 | — |
| Excavator | 980 | — |
| Skid Steer | 1830 | — |
| Tractor | 2470 | — |
| Tractor | 2870 | — |
| Tractor | 2670 | — |
| Engine | 301BD | — |
| Engine | 504BDT | — |
| Engine | 504BD | — |
| Engine | 451BDT | — |
| Engine | 451BD | — |
| Engine | 336BDT | — |
| Engine | 336BD | — |
| Tractor | 1566 | — |
| Tractor | 1066 | — |
| Tractor | 1568 | — |
| Tractor | 766 | — |
| Loader | W24B | — |
| Backhoe | 480B | — |
| Tractor | 1466 | — |
| Tractor | STEIGER RC210 WILDCAT | — |
| Dozer | 850 | — |
| Loader | 400C | — |
| Backhoe | 580B | — |
| Tractor | 1468 | — |
| Tractor | 4568 | — |
| Tractor | HYDRO 100 | — |
| Tractor | STEIGER ST220 BEARCAT | — |
| Loader | 600 | — |
| Loader | 800 | — |
| Loader | 825 | — |
| Loader | W26B | — |
| Tractor | STEIGER TIGER | — |
| Tractor | STEIGER SUPER WILDCAT | — |
| Backhoe | 26S | — |
| Backhoe | 26B | — |
| Backhoe | 26 | — |
| Tractor | 26B | — |
| Dozer | 1150 | — |
| Skid Steer | 1530 | — |
| Tractor | 1470 | — |
| Loader | W7E | — |
| Loader | W24 | — |
| Tractor | 966 | — |
| Backhoe | 34 | — |
| Backhoe | 33S | — |
| Loader | W10E | — |
| Loader | W9E | — |
| Loader | W8E | — |
| Tractor | 1200 | — |
| Tractor | 1030 | — |
| Loader | W9C | — |
| Loader | W10C | — |
| Loader | W8C | — |
| Backhoe | 36 | — |
| Loader | W10B | — |
| Loader | W9B | — |
| Loader | W8B | — |
| Loader | W12 | — |
| Backhoe | 32 | — |
| Loader | W10 | — |
| Loader | W9A | — |
| Tractor | 450-SERIES | — |
| Tractor | 400-SERIES | — |
| Tractor | SUPER M | — |
| Tractor | SUPER M-TA | — |