Rancho RS55188 RS5000X Front Shock for 1986-04 Nissan D21/Frontier/Xterra

Vehicle Fitment

• 1986-1994 Nissan D21 (Front)
• 1998-2004 Nissan Frontier (Front)
• 2000-2004 Nissan Xterra (Front)

Features

• Rancho RS5000X gas-charged front shock absorber
• Progressive Engagement valving for improved damping
• Twin-tube internal design for ride control and durability
• Nitro-carburized piston rod for corrosion resistance
• Protective boot included to shield rod and seals
• Rubber bushings for reduced vibration and noise
• Large bore design for increased fluid capacity and thermal control
• Direct OE-style replacement fit

Specifications

• Part Number: RS55188
• Series: RS5000X Gas Shock
• Position: Front (Driver/Passenger Side)
• Compressed Length: ~8.87 in
• Extended Length: ~12.70 in
• Stroke/Travel: ~3.83 in
• Upper Mount: Stem/Stud mount
• Lower Mount: Eyelet/Sleeve mount
• Gas Charged: Yes
• Boot Included: Yes

Included Components

• 1x Rancho RS5000X RS55188 Front Shock Absorber
• 1x Protective shock boot
• Rubber bushings pre-installed

Product Description

The Rancho RS55188 RS5000X front shock absorber is designed to upgrade ride quality and handling for select Nissan trucks and SUVs. Built with Rancho's RS5000X gas-charged twin-tube construction and Progressive Engagement valving, this shock provides smoother damping over rough surfaces while maintaining stability on-road. The nitro-carburized piston rod, large bore, and robust internal components enhance durability and performance under varied driving conditions.

This shock fits the front suspension of 1986-1994 Nissan D21 pickup, 1998-2004 Nissan Frontier, and 2000-2004 Nissan Xterra vehicles, offering a direct OE-style replacement with improved control and responsiveness. It's ideal for restoring suspension performance on stock vehicles or as an upgrade for mild off-road use. Sold individually, Rancho's RS5000X shocks come with a limited-lifetime warranty for added confidence.