KYB 3440163 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock for F-250 Super Duty

The KYB Excel-G 3440163 is a rear suspension shock absorber built to restore original ride control on the 2021-2024 Ford F-250 Super Duty with Off Road Suspension, excluding Tremor Package models. It uses a nitrogen gas-charged, twin-tube design and OE-quality components to return factory-calibrated handling, stability, and braking response.

Key Features

• Fits 2021-2024 Ford F-250 Super Duty, rear, with Off Road Suspension (Exc. Tremor Package)
• KYB Excel-G OEA replacement for original ride characteristics
• Nitrogen gas-charged, twin-tube construction
• OE-quality components assembled on KYB OE production lines
• Compressed length: 17.2 in; extended length: 29.72 in; stroke length: 12.52 in
• Lower mount type: E2 (14.2x38); upper mount type: E1
• Dust cover included

Product Details

KYB Excel-G shocks and struts are calibrated to restore the vehicle’s original suspension behavior rather than alter it. For the Ford F-250 Super Duty, part number 3440163 is a direct-fit rear shock absorber for trucks equipped with Off Road Suspension, and it is not listed for Tremor Package applications. This part cross-references Ford OE numbers LC3Z18125S and LC3Z18125U for the same application.

The Excel-G line is positioned as KYB’s OE-style replacement range, using the same manufacturing approach and quality standards found in KYB original equipment supply. That makes 3440163 a practical choice when the goal is to bring back factory ride control, lane-change response, and load stability on a Ford F-250 Super Duty rear suspension.

Common Issues This Part Can Address

• Excessive rear bounce after bumps or dips
• Reduced stability during braking or lane changes
• Loose or unsettled rear suspension feel
• Uneven ride control from worn shock absorber damping
• Loss of factory-like handling response on rough roads

Installation Notes and Tips

Verify rear fitment by matching the vehicle’s suspension package before installation. This shock is specified for 2021-2024 Ford F-250 Super Duty rear applications with Off Road Suspension and excludes Tremor Package models. Confirm compressed length, extended length, and mount style against the removed part to ensure proper replacement. Inspect related bushings, mounts, and fasteners during service for wear before installing the new shock.

Quality Assurance

KYB is a global OE supplier of shocks and struts, and the Excel-G line is built on KYB’s OE assembly lines with OE-quality components. Part number 3440163 is engineered to restore original suspension performance for the listed Ford F-250 Super Duty application.