Rancho RS77371 Suspension Shock Absorber - Front

Rancho RS7MT Front Shock for Raised GM Trucks and SUVs

The Rancho RS7MT monotube shock absorber is built for front suspension applications that need controlled on-road response and stable off-road handling. Part number RS77371 is tuned for vehicles with a 1.0 to 2.5 inch front raised height, making it a direct-fit option for select Chevrolet Silverado 1500, GMC Sierra 1500, Tahoe, Yukon, Suburban 1500, Avalanche 1500, and Yukon XL 1500 applications.

Key Features

• Monotube shock design for efficient heat dissipation during demanding use
• Integrated dirt wiper sealing system helps keep debris out of the shock body
• Hardened piston rod resists scuffs and corrosion
• Internal rebound bumper helps smooth suspension movement over changing terrain
• Front application for raised ride heights from 1.0 in. to 2.5 in.
• Lower mount: clevis bracket mount
• Upper mount: stem mount with 2-3/8 in. stem length and 3/8 in.-16 thread pitch

Product Details

Rancho RS7MT is the brand line focused on precision handling for vehicles that see both pavement and trail use. This RS77371 shock absorber uses a monotube construction with a 2 in. reserve tube diameter and 4.69 in. of travel, helping manage heat and suspension motion under load. It is a front shock for 1999-2007 Chevrolet Silverado 1500, 2000-2006 Chevrolet Suburban 1500, 2001-2006 Chevrolet Tahoe, 2002-2006 Chevrolet Avalanche 1500, 1999-2007 GMC Sierra 1500, 2000-2006 GMC Yukon, 2000-2006 GMC Yukon XL 1500, and related Classic applications listed below. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Excessive front-end bounce after bumps or dips
• Reduced control on lifted trucks and SUVs with larger wheel and tire packages
• Heat buildup in shocks during extended off-road driving
• Dirt intrusion around the shock shaft and seal area
• Corrosion or wear on the piston rod from road exposure

Installation Notes

• Fits 2007 Chevrolet Silverado 1500 Classic, front; not suitable for vehicles with 4 Wheel Steering or Electronic Ride Control Package (ZX3); designed for front raised heights of 1.0 in. to 2.5 in.; incompatible with aftermarket shock spacers or relocation brackets.
• Fits 2007 GMC Sierra 1500 Classic, front; without Electronic Ride Control Package (ZX3); front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2002-2006 Chevrolet Avalanche 1500, front; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2006 Chevrolet Silverado 1500, front; without Electronic Ride Control Package (ZX3); front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2000-2006 Chevrolet Suburban 1500, front; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2001-2006 Chevrolet Tahoe, front; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2006 GMC Sierra 1500, front; without Electronic Ride Control Package (ZX3); front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2001-2006 GMC Yukon, front; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2000-2006 GMC Yukon XL 1500, front; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.
• Fits 1999-2005 Chevrolet Silverado 1500, front; not suitable for vehicles with 4 Wheel Steering or Electronic Ride Control Package (ZX3); designed for front raised heights of 1.0 in. to 2.5 in.; incompatible with aftermarket shock spacers or relocation brackets.
• Fits 1999-2005 GMC Sierra 1500, front; not suitable for vehicles with 4 Wheel Steering or Electronic Ride Control Package (ZX3); designed for front raised heights of 1.0 in. to 2.5 in.; incompatible with aftermarket shock spacers or relocation brackets.
• Fits 2000 Chevrolet Tahoe, front; New Body Style; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.
• Fits 2000 GMC Yukon, front; New Body Style; without Electronic Adjustable Suspension; front raised height 1.0 in. to 2.5 in.; not for use with aftermarket shock spacers or relocation brackets.

Quality Assurance

Rancho RS7MT shocks are engineered for application-specific fitment and consistent damping performance in lifted front suspension setups. Part number RS77371 is built for the listed GM truck and SUV applications and should be matched to the vehicle’s suspension configuration before installation.