KYB 3440061 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock Absorber

The KYB Excel-G 3440061 is a rear suspension shock absorber built to restore original ride control, stability, and steering response. It is a direct OE-style replacement for select Hyundai Sonata and Kia Optima applications, with vehicle-specific damping calibrated for factory handling balance.

Key Features

• Excel-G OEA replacement line for Asian vehicles
• Nitrogen gas-charged, twin-tube shock absorber design
• Triple-lip fluid seal helps reduce oil and gas leakage
• Hand-assembled, vehicle-specific damping valves manage tire contact and body motion
• Strong strut body and bracket construction helps maintain alignment under load
• R-stop rebound control feature included
• Rear position application for select Hyundai Sonata and Kia Optima models

Product Details

KYB Excel-G shocks and struts are made on KYB OE assembly lines using OE-quality components and calibration focused on restoring factory performance rather than changing it. Part number 3440061 is a rear shock absorber for 2015-2019 Hyundai Sonata, 2016-2020 Kia Optima, and 2017-2020 Kia Cadenza applications listed below. This part cross-references Monroe Shocks & Struts 5551 for the same application.

Compatible With: Fits 2015-2019 Hyundai Sonata, rear; Fits 2016-2020 Kia Optima, rear; Fits 2017-2020 Kia Cadenza, rear. For 2016-2018 Kia Optima, rear, the listing notes USA-built vehicles and OEM replacement use.

What It Helps Address

• Excessive rear-end bounce after bumps
• Reduced stability during lane changes and cornering
• Loose or inconsistent steering response from worn rear damping
• Uneven tire contact caused by weak shock control
• Loss of factory ride balance on Hyundai Sonata and Kia Optima models

Installation Notes

Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions where specified in the fitment notes. Verify rear mounting style and vehicle application before installation. Compressed length is 17.99, extended length is 25.27, and stroke length is 7.28. Upper mount type is S1 (10MM) and lower mount type is E2 (14.2x60).

Quality Assurance

KYB is a major OE supplier of shocks and struts, and the Excel-G line is built to OE standards on the same production lines used for original equipment components. The design focuses on restoring the vehicle’s original ride control, handling, and braking stability for the listed Hyundai Sonata, Kia Optima, and Kia Cadenza rear applications.