Square Nut
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 650L | — |
| Dozer | D125C LT | — |
| Dozer | 750M WT/LGP | — |
| Dozer | 850M WT/LGP | — |
| Dozer | 750M LT | — |
| Dozer | 850M LT | — |
| Dozer | 1150M | — |
| Dozer | 1150M WT/LGP | — |
| Dozer | 1150M LT | — |
| Dozer | D95B | — |
OEM Square Nut Sq 1/2"-13 Replaces 224-2808 #129 - OEM Hardware Repair Part for Case Construction Equipment Service When the original part fails under conditions related to repair of damaged pins, stripped hardware, or lost retainers during service, this OEM replacement helps repair problems such as stripped threads, bent pins, loose mounting, and lost clips. Commonly sourced for OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance needs on heavy equipment.
More Details
Part Number: 129
Application: Repair application: 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
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 129-857
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.08 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 51 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 650L | — |
| Dozer | D125C LT | — |
| Dozer | 750M WT/LGP | — |
| Dozer | 850M WT/LGP | — |
| Dozer | 750M LT | — |
| Dozer | 850M LT | — |
| Dozer | 1150M | — |
| Dozer | 1150M WT/LGP | — |
| Dozer | 1150M LT | — |
| Dozer | D95B | — |
| Dozer | D125C WT/LGP | — |
| Dozer | 850L | — |
| Dozer | D75B | — |
| Dozer | 750L | — |
| Dozer | D85B | — |
| Dozer | 650K | 2005 – 2006, 2006 – 2008 |
| Dozer | DC75 | — |
| Dozer | 550H | — |
| Dozer | 550H-IND | — |
| Dozer | D75 | — |
| Dozer | D95 | — |
| Dozer | DC95 | — |
| Dozer | DC85 | — |
| Dozer | 850K | 2005 – 2006, 2006 – 2008 |
| Dozer | D85 | — |
| Dozer | 750K | 2005 – 2006 |
| Dozer | 1150H | — |
| Dozer | 650K | 2002 – 2005 |
| Dozer | 850K | 2002 – 2005 |
| Dozer | 750K | 2002 – 2005 |
| Dozer | 650H | — |
| Dozer | 750H | — |
| Dozer | 850H | — |
| Skid Steer | 1845C | — |
| Dozer | 855D | — |
| Dozer | 1550 | — |
| Dozer | 850E | — |
| Dozer | 850D | — |
| Dozer | 855E | — |
| Backhoe | 35C | — |
| Backhoe | 35WL | — |
| Backhoe | 35C WL | — |
| Dozer | 650 | — |
| Loader | W36 | — |
| Backhoe | 580E | — |
| Backhoe | 580G | — |
| Backhoe | 580SE | — |
| Backhoe | 580D | — |
| Backhoe | 580SD | — |