KYB 341478 Suspension Strut - Rear

KYB Excel-G Rear Suspension Strut for Sonata

The KYB Excel-G 341478 is a rear suspension strut built to restore original ride control, stability, and steering response on select Hyundai Sonata applications. It is calibrated to return the vehicle’s designed handling characteristics without changing the factory feel.

Fits 2005 Hyundai Sonata, rear. Fits 2004 Hyundai Sonata, rear, from 10/14/04. This part cross-references Monroe Shocks & Struts 71326 for the same application.

Key Features

• KYB Excel-G OEA replacement for Asian vehicles
• Designed to restore the original control and handling of the Hyundai Sonata
• Nitrogen gas-charged twin-tube construction
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage tire contact, steering response, and body movement
• Strong strut body and bracket design helps minimize flex and maintain alignment
• Electronic safety systems rely on suspension performance that matches factory intent

Product Details

KYB Excel-G is built on KYB OE assembly lines using OE-quality components and calibration focused on restoring original performance. For this rear strut application, the design supports consistent damping, stable lane changes, and predictable braking behavior on the Hyundai Sonata. Part number 341478 is also identified by Hyundai 5531138610 and Gabriel G51713 for the same rear suspension strut application.

Common Issues This Strut Addresses

• Excessive rear bounce or oscillation after bumps
• Reduced stability during braking or lane changes
• Loose or inconsistent rear suspension control
• Uneven tire contact caused by worn damping performance
• Handling changes from a leaking or fatigued rear strut

Installation Notes and Tips

Install according to manufacturer instructions and replace the suspension strut and coil spring assembly as specified for the vehicle. Verify rear fitment by model year and production date before installation, especially for 2004 Hyundai Sonata applications from 10/14/04. Confirm all mounting points and alignment settings after service.

Quality Assurance

KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is produced to OE-style standards for original equipment replacement use. The part uses OE-quality components and factory-style damping calibration to maintain the vehicle’s intended suspension behavior.