KYB 3440111 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock for F-350 Super Duty

KYB Excel-G shock absorber 3440111 is built to restore original ride control, stability, stopping response, lane-change handling, and overall suspension performance. This nitrogen gas-charged, twin-tube rear shock is made on KYB OE assembly lines with OE-quality components for a direct replacement approach on the Ford F-350 Super Duty.

For drivers searching for a rear shock absorber for 2017-2022 Ford F-350 Super Duty dually applications, KYB Excel-G 3440111 is calibrated to return the vehicle to its designed damping characteristics rather than alter them.

Key Features

• KYB Excel-G line focused on restoring original suspension performance
• Nitrogen gas-charged, twin-tube shock absorber design
• OE-quality components built on KYB OE assembly lines
• Rear application for Ford F-350 Super Duty dual rear wheel models
• Compressed length: 16.49 in; extended length: 27.64 in; stroke length: 11.15 in
• Lower mount type: E2(14.2x38); upper mount type: E1
• Dust cover included

Product Details

The KYB Excel-G brand line is positioned as an OE-style replacement solution for drivers who want factory-like damping characteristics. Part number 3440111 is engineered for the rear suspension on the Ford F-350 Super Duty and uses a twin-tube, gas-charged design to help maintain consistent control under load. This part cross-references Monroe Shocks & Struts (e.g., HC3Z18125EA, HC3Z18125EF) for the same application.

Compatible With 2022 Ford F-350 Super Duty, rear, w/ Dual Rear Wheels; Excel-G. Compatible With 2017-2021 Ford F-350 Super Duty, rear, Recommended OEM Replacement; w/ Dual Rear Wheels; New Part Number, Available 3rd Quarter; Excel-G. Search terms such as rear shock absorber for Ford F-350 Super Duty dually and KYB 3440111 rear suspension shock apply to this listing.

What It Helps Address

• Excessive rear-end bounce after bumps or dips
• Reduced stability during braking or lane changes
• Loose or unsettled ride feel under load
• Uneven damping response from worn rear shocks
• Loss of factory-like handling control on the rear axle

Installation Notes

Verify rear fitment, dual rear wheel configuration, and mount style before installation. Compare compressed length, extended length, and stroke length to the removed shock to confirm proper suspension travel. Inspect surrounding bushings, mounts, and hardware condition during replacement, and follow the vehicle service procedure for torque specifications.

Quality Assurance

KYB is a global OE shock and strut supplier, and Excel-G is produced on the same KYB OE assembly lines using OE-quality components. The design is calibrated to restore original performance characteristics for the Ford F-350 Super Duty rear suspension.