Rancho RS55265 RS5000X Front Shock for 1999-2006 Chevy Silverado/Sierra 1500

Vehicle Fitment

• 1999-2006 Chevrolet Silverado 1500 (Front, RS5000X, Stock Height)
• 1999-2006 GMC Sierra 1500 (Front, RS5000X, Stock Height)
• 2000-2006 Chevrolet Suburban 1500 (Front, RS5000X, Stock Height)
• 2000-2006 Chevrolet Tahoe (Front, RS5000X, Stock Height)
• 2000-2006 GMC Yukon (Front, RS5000X, Stock Height)
• 2000-2006 GMC Yukon XL 1500 (Front, RS5000X, Stock Height)
• 2002-2006 Chevrolet Avalanche 1500 (Front, RS5000X, Stock Height)
• 2007 Chevrolet Silverado 1500 Classic (Front, RS5000X, Stock Height)
• 2007 GMC Sierra 1500 Classic (Front, RS5000X, Stock Height)

Features

• RS5000X twin-tube design with Cross Tuned rebound and compression valving
• Progressive Engagement Valving reduces initial impacts and improves ride quality
• 16 mm nitro-carburized piston rod resists wear and corrosion
• 35 mm sintered-iron piston ensures durability under demanding use
• Polyvinyl protective boot shields rod and seal from debris
• Gas-pressurized (~150 PSI) to minimize damping fade and foaming
• All-weather fluid and twin-tube body for consistent performance across temperatures
• Backed by Rancho's limited lifetime warranty

Specifications

• Compressed Length: 11.02 in (279.9 mm)
• Extended Length: 15.31 in (388.9 mm)
• Travel: 4.29 in (109 mm)
• Body Diameter: approximately 2.25 in
• Gas Charged: Yes, nitrogen pressurized
• Upper Mount Type: Stem mount (2.3/8" stem length, 3/8"-16 thread)
• Lower Mount Type: Clevis bracket mount (CLEV code)
• Includes internal rebound bumper and dust shield

Included Components

• 1x Rancho RS55265 RS5000X front shock absorber
• Polyvinyl protective boot
• Dust shield and internal rebound bumper

Product Description

The Rancho RS55265 RS5000X Front Shock delivers upgraded suspension performance for 1999-2006 Chevrolet Silverado and GMC Sierra 1500 trucks, as well as related SUVs from that era. Its advanced Cross Tuned valving and Progressive Engagement design offer smoother transitions over rough terrain while maintaining strong control throughout the stroke.

Constructed with a durable 16 mm nitro-carburized rod, 35 mm sintered-iron piston, and twin-tube body filled with high-temperature fluid, this shock is built to last in all conditions. Gas pressurization reduces fade and foaming during rough use, and the included protective boot and internal rebound bumper enhance longevity. A perfect OE-style replacement, it bolts right in with factory-matching mounts - backed by Rancho's limited lifetime warranty for added peace of mind.