Lock Nut
| Machine | Model | Years / S/N |
|---|---|---|
| Harvester | 600 | — |
| Harvester | 56 | — |
| Mower | 1100 | — |
| Excavator | 1085B | — |
| Excavator | 1086B | — |
OEM Lock Nut 3/4"-16 Nut - Hex Self-Locking 3/4 Inch Nf #131 - OEM Pin, Bolt, or Retainer Service Part for Heavy Equipment Repair This replacement part belongs in service work aimed at resolving fastener fatigue, hardware loss, and poor component retention and repairing replacement of fastening hardware affected by wear, stretch, or breakage on Case equipment. Aligned with search intent around OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance service parts.
More Details
Part Number: 131
Application: Repair application: OEM pin, bolt, washer, or retainer service part for maintenance work involving hardware wear, loss, or fastening repairs.
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
- 131-225
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.1 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.