Case Construction OEM Part No. 12577221

Lock Nut

Case Construction

$4.20 Available
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OEM guaranteedDirect from manufacturer
Machine Model Years / S/N
Tractor OPTUM 440 2026
Tractor PUMA 240
Tractor MAXXUM 110
Tractor MAXXUM 115 2022
Tractor MAXXUM 125 2022
Tractor MAXXUM 135 2022
Tractor MAXXUM 140
Tractor MAXXUM 145 2022
Tractor MAXXUM 150 2022
Tractor OPTUM 270 2023

OEM Lock Nut M10 X 1.5Mm Pitch 12.30Mm High Cl 10 Znd #12577221 - OEM Fastener and Pin Replacement for Case Construction Equipment In repair applications, this OEM part replaces worn components associated with loose mounting points, missing hardware, and worn retention components and helps address looseness, missing retention, hardware wear, and attachment instability. Aligned with search intent around OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance service parts.

More Details

Part Number: 12577221

Application: Repair application: 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
12577221
Internal SKU
IC:12577221
Brand
Case Construction
Condition
OEM, new
Category
Case Construction
Weight
0.03 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.

$4.20

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