KYB 343135 Shock Absorber - Rear

KYB Excel-G Rear Shock Absorber

The KYB Excel-G 343135 is a rear suspension shock absorber built to restore original ride control, stability, and handling response. It is a nitrogen gas-charged, twin-tube design made on KYB OE assembly lines with OE-quality components for classic domestic and import applications.

Compatible With rear suspension applications on vehicles such as the Ford Crown Victoria, Mercury Grand Marquis, and Ford Thunderbird, this KYB Excel-G shock is calibrated to return the vehicle to its designed damping characteristics rather than change the ride feel.

Key Features

• KYB recommended OEM replacement shock for classic domestic cars
• Restores designed control, steering response, and body movement management
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage tire contact and suspension motion
• Supports proper operation of electronic safety systems by helping the suspension perform as engineered
• Strong strut body and bracket construction helps minimize flex and maintain alignment
• Dust cover included

Product Details

Part number 343135 is part of KYB’s Excel-G line, a product line focused on OE-style replacement performance. This rear shock absorber uses a twin-tube, gas-charged design with a compressed length of 12.01 inches, extended length of 20.28 inches, and 8.27 inches of stroke. Mounting configuration is lower mount type E1 and upper mount type S1. The KYB Excel-G 343135 is engineered for drivers who want factory-correct damping on vehicles including the Ford Crown Victoria and Mercury Grand Marquis, while also serving other rear-fit applications listed below.

This part cross-references Monroe Shocks & Struts 5961 for the same application.

What It Helps Address

• Excessive bouncing after bumps
• Loose or unstable rear-end handling
• Reduced steering response during lane changes
• Uneven tire contact caused by worn damping
• Suspension noise or leakage from an aging shock absorber

Installation Notes

• Rear fitment only; verify vehicle year, make, model, and suspension configuration before ordering.
• Some applications require replacing the suspension strut and coil spring assembly according to the manufacturer’s instructions.
• Use the listed mount types and dimensions to confirm proper fitment for part number 343135.
• Fitment includes classic rear applications such as 1992-2002 Ford Crown Victoria, 1979-2002 Mercury Grand Marquis, and 1977-1979 Ford Thunderbird.
• Additional rear applications include 1967-1972 Ford Thunderbird, 1968-1969 Chevrolet Camaro, and 1968-1969 Pontiac Firebird.

Quality Assurance

KYB is a major OE shock and strut supplier, and the Excel-G line is built on the same KYB assembly lines using OE-quality components. Part number 343135 is classified as an Original Equipment for the Aftermarket replacement designed to restore original performance characteristics.