What is the purpose of the monotube design in this shock?

The monotube design allows for a larger 2-inch body filled with all-weather fluid. This helps the shock operate cooler, dissipate heat effectively, and maintain consistent damping, reducing fade during heavy use or extreme temperatures.

How does this shock help keep dirt and debris out?

It features an integrated dirt wiper sealing system. This system is designed to prevent moisture, dirt, and debris from entering the shock, which helps protect the internal oil and seals from contamination and premature wear.

Does this shock come with a boot?

A shock boot is not included with this Rancho RS7MT shock absorber. You can purchase shock boot RS1952 or RS1961 separately for extra protection.

2011-2025 Silverado 2500 HD Rear Shock | Rancho RS77379

Name: Rancho 11-20 Chevrolet Silverado 2500 HD Rear RS7MT Shock
Brand: Rancho
Price: 80.13 USD
Availability: InStock

Rancho 11-20 Chevrolet Silverado 2500 HD Rear RS7MT Shock

$80.13

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2011-2025 Chevrolet Silverado 2500 HD. Rancho RS7MT rear shock absorber with a 2-inch monotube body for cooler operation and improved handling.

Key Features

Fits 2011-2025 Chevrolet Silverado 2500 HD.
The 14mm hardened chrome piston rod resists scuffs and corrosion.
A large 2-inch monotube body filled with all-weather fluid allows for cooler operation and withstands extreme temperatures.
An integrated dirt wiper sealing system helps keep dirt and debris out of the shock.
Features a PTFE-banded piston for consistent sealing and precise control.
Internal rebound bumper and rubber bushings help reduce noise, vibration, and harshness.

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Will this fit your vehicle?

Product Details

The 14mm hardened chrome piston rod on this Rancho RS7MT shock is built to resist scuffs and corrosion, which is a smart detail when you're dealing with the kind of dust and debris that can get kicked up off-road or even just on a daily drive. This shock is designed specifically for your 2011-2025 Chevrolet Silverado 2500 HD, aiming to give you more precise control whether you're on the pavement or tackling tougher terrain.

Rancho uses a large 2-inch monotube body filled with fluid that works across a wide temperature range, from -40 to 248 degrees Fahrenheit. This helps the shock operate cooler, which means less fade and more consistent damping, especially important if you're carrying heavy loads or have larger tires. The monotube design also helps dissipate heat effectively. Plus, the integrated dirt wiper sealing system is there to keep contaminants out of the shock, helping to protect the internal seals and oil for longer service life.

You'll find that the internal rebound bumper and rubber bushings work together to smooth out the ride by reducing noise and vibration. The PTFE-banded piston inside also responds quickly to changing road conditions, contributing to a more comfortable and controlled experience. This shock is application-specific, meaning it's made to fit right onto your truck without needing extra hardware or sleeves.