Case Construction OEM Part No. 121039A1S

Piston

Braking System

$495.05 Available
2 verified fitments
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Machine Model Years / S/N
Backhoe 590
Backhoe 580SK

OEM Piston Brake Oversize Piston 255.3Mm Od & 303.3Mm Od With Internal Groove Use As Service Replacement For Ref. 8 1341069C1 Or Item 8A 1995361C1 Pistons On Transaxles That Have Incurred Damage To Brake Piston Bores #121039A1S - OEM Brake or Transmission Service Part for Heavy Equipment Repair As a direct OEM service replacement, this part is intended to fix equipment affected by drive loss, worn brake parts, and unreliable power transfer and related repair of braking or drive systems affected by wear, slip, or weak engagement. Targeted to service work involving transmission service parts, axle repair, and heavy equipment braking repair on Case equipment.

More Details

Part Number: 121039A1S

Application: Typical repair use: Brake or drivetrain replacement part used to repair worn drive components, braking issues, weak engagement, or service-related power-transfer faults.

Key Features:

  • Designed to replace damaged drive-system parts affected by wear or weak response
  • Supports repair of brake fade, poor engagement, and drivetrain service issues
  • OEM-style fit for efficient installation during maintenance 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
121039A1S
Brand
Case Construction
Condition
OEM, new
Category
Braking System
Weight
15.87 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.

$495.05

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