Rancho RS55040 RS5000X Rear Shock for 2000-06 Toyota Tundra 4WD

Vehicle Fitment

• 2000-2006 Toyota Tundra (4WD) - Rear Shock

Features

• RS5000X™ series rear shock absorber by Rancho
• Progressive Engagement valving for smoother ride quality
• Tuned compression control valve improves handling response
• Gas-charged, twin-tube design for consistent damping
• 16 mm nitro-carburized piston rod resists scuffs & corrosion
• Large 2.25" shock body with increased fluid capacity
• Protective accordion boot shields rod and seals
• Rubber bushings help absorb road harshness and vibration

Specifications

• Part Number: RS55040
• Brand: Rancho
• Series: RS5000X™
• Position: Rear Shock Absorber
• Design: Gas-charged, twin-tube
• Compressed Length: ~13.75 in
• Extended Length: ~22.84 in
• Stroke Length: ~9.09 in
• Lower Mount: Loop bushing & sleeve mount
• Upper Mount: Stem mount with threaded upper
• Boot Included: Yes (protective)

Included Components

• 1x Rancho RS5000X™ Rear Shock Absorber (RS55040)

Product Description

The **Rancho RS55040** RS5000X™ Rear Shock Absorber is a direct-fit performance upgrade engineered for the 2000-2006 Toyota Tundra (4WD). Designed with Rancho's Progressive Engagement valving and a tuned compression control system, this gas-charged shock delivers improved damping performance over rough terrain and everyday driving alike. The enlarged 2.25" shock body increases fluid capacity for cooler operation and better long-term control.

Constructed with a nitro-carburized piston rod for enhanced durability and a protective accordion boot to shield key components from debris, the RS55040 is built to resist corrosion and wear. Installation is straightforward with stock-location mounting points, making it a solid choice for owners of early-2000s Tundra 4WD trucks seeking balanced ride comfort and handling performance. Backed by Rancho's limited lifetime warranty, this shock absorber provides a reliable suspension upgrade that enhances control without sacrificing comfort.