KYB 348058 Shock Absorber - Rear

KYB Excel-G Rear Shock for Fiat 500

The KYB Excel-G 348058 is a rear suspension shock absorber for the 2012-2017 Fiat 500. It is built to restore original ride control, stability, braking response, and handling balance without changing the vehicle’s designed suspension behavior.

Made on KYB OE assembly lines and calibrated to OE specifications, the Excel-G line is a practical replacement choice for drivers and technicians looking for a direct-fit rear shock for the Fiat 500.

Key Features

• KYB recommended OEM replacement shock absorber
• Designed to restore the Fiat 500’s original control and handling
• 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
• Dust cover included
• R-stop included

Product Details

KYB Excel-G is the brand’s Original Equipment for the Aftermarket line, built to match the vehicle’s original damping characteristics rather than alter them. Part number 348058 uses OE-quality components and is calibrated for rear suspension service on the Fiat 500. This part cross-references Fiat 4670555AB and 4670560AB for the same application.

For fitment-based searches, this rear shock absorber is a direct replacement for the 2012-2017 Fiat 500 rear suspension strut and coil spring assembly when serviced according to the manufacturer’s instructions. The KYB Excel-G 348058 is also a common search match for Fiat 500 rear shock absorber replacement and rear suspension ride control restoration.

What It Helps Address

• Excessive rear bounce or oscillation
• Reduced stability during braking and lane changes
• Loose or inconsistent rear-end handling
• Uneven tire contact caused by worn damping
• Suspension noise or fluid leakage from a worn shock

Installation Notes

Fits 2012-2017 Fiat 500, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify mount type, compressed length, extended length, and stroke length before installation. Part number 348058 is intended for rear position service on the Fiat 500 and should be matched to the vehicle’s original suspension configuration.

Quality Assurance

KYB manufactures Excel-G shocks on the same OE assembly lines used for original equipment production, with OE-quality components and application-specific damping calibration. The design supports proper operation of suspension-related electronic safety systems by helping the vehicle perform as engineered.