KYB 343163 Shock Absorber - Rear

KYB Excel-G Rear Shock for Classic Ford and Mercury

KYB Excel-G 343163 is a rear suspension shock absorber built to restore original ride control, stability, and steering response on select classic Ford and Mercury applications. It is an OE-style replacement for vehicles such as the Ford Mustang, Ford LTD, Mercury Capri, Mercury Marquis, Mercury Fairmont, Mercury Zephyr, and Mercury Cougar.

Key Features

• KYB recommended OEM replacement shock for classic domestic cars
• Restores designed handling and body control without changing the original suspension feel
• Nitrogen gas-charged, twin-tube construction for consistent damping
• 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

Product Details

The KYB Excel-G line is built on the same KYB OE assembly lines used for original equipment production and uses OE-quality components calibrated to restore factory performance. Part number 343163 is engineered for rear suspension service on 1981-1993 Ford and Mercury models, including rear applications on the 1987-1993 Ford Mustang, 1983-1986 Mercury Capri, and 1981-1982 Mercury Cougar. This part cross-references Monroe Shocks & Struts 5847 for the same application.

With a compressed length of 12.2 inches, extended length of 20.67 inches, and stroke length of 8.46 inches, KYB 343163 is specified for vehicles where correct suspension travel and damping response matter. The upper mount type is S1 and the lower mount type is E2(12X53).

What It Helps Address

• Excessive rear bounce or oscillation
• Loose or unstable handling in turns and lane changes
• Reduced tire contact over uneven pavement
• Oil or gas leakage from a worn rear shock
• Inconsistent ride control on classic Ford and Mercury vehicles

Installation Notes and Tips

Compatible With rear suspension service on select classic Ford and Mercury models. Fitment includes 1987-1993 Ford Mustang, rear; 1982 Ford Mustang, rear; 1983-1986 Ford LTD, rear; 1983-1986 Ford Mustang, rear; 1983-1986 Mercury Capri, rear; 1983-1986 Mercury Marquis, rear; 1982-1983 Ford Fairmont, rear; 1982-1983 Mercury Zephyr, rear; 1982 Mercury Capri, rear; 1981-1982 Mercury Cougar, rear; 1981 Ford Fairmont, rear; and 1981 Mercury Zephyr, rear. Some applications note replacement of the suspension strut and coil spring assembly according to manufacturer instructions, and certain Mustang and Capri listings exclude Special Handling packages. Verify mount style and suspension configuration before installation.

Quality Assurance

KYB is a major OE shock and strut supplier, and Excel-G is classified as Original Equipment for the Aftermarket because it is built to restore original vehicle performance using OE-quality components and OE-line manufacturing processes.