# Zone Offroad Nitro Shock - 21.50in x 13.75in x 2-3/8in - S1/Ubrkt

Zone Nitro Series shock absorber offers stock-like control and performance with fully displaced valving for improved compression and extension travel. This vehicle specific valving is pressurized with 50 psi nitrogen gas; this gas charge ensures split second response and reduced aeration. Combine these features with the special Fluon-banded piston and this shock is built to perform! Shock absorbers are sold individually and include bushings/sleeves.

-   Twin tube, nitrogen charged design with 10-stage velocity sensitive valving for great on/off-road performance
-   Steel alloy body with dual welded ends and a 14mm heavy chromed shock shaft
-   Bushings and sleeves included for easy, direct replacement installation
-   Shock absorbers are sold individually

This Part Fits:

Year

Make

Model

Submodel

2002-2005

Chevrolet

Avalanche 1500

Base

2005-2006

Chevrolet

Avalanche 1500

LS

2005-2006

Chevrolet

Avalanche 1500

LT

2002-2003

Chevrolet

Avalanche 1500

North Face

2003

Chevrolet

Avalanche 1500

WBH

2002-2006

Chevrolet

Avalanche 1500

Z71

1999-2005

Chevrolet

Silverado 1500

Base

2004-2006

Chevrolet

Silverado 1500

Hybrid

1999-2006

Chevrolet

Silverado 1500

LS

1999-2006

Chevrolet

Silverado 1500

LT

2002-2006

Chevrolet

Silverado 1500

WT

2004-2005

Chevrolet

Silverado 1500

Z71 Off-Road

2000-2001,2006

Chevrolet

Suburban 1500

Base

2000-2006

Chevrolet

Suburban 1500

LS

2000-2006

Chevrolet

Suburban 1500

LT

2002-2006

Chevrolet

Suburban 1500

Z71

2000-2001,2006

Chevrolet

Tahoe

Base

2000-2006

Chevrolet

Tahoe

LS

2000-2006

Chevrolet

Tahoe

LT

2000,2002-2006

Chevrolet

Tahoe

Z71

2002-2005

GMC

Sierra 1500

Base

2002

GMC

Sierra 1500

HT

2005-2006

GMC

Sierra 1500

Hybrid

1999-2003,2006

GMC

Sierra 1500

SL

1999-2006

GMC

Sierra 1500

SLE

1999-2006

GMC

Sierra 1500

SLT

2002-2006

GMC

Sierra 1500

WT

2000

GMC

Yukon

Denali

2006

GMC

Yukon

SL

2000-2006

GMC

Yukon

SLE

2000-2006

GMC

Yukon

SLT

2006

GMC

Yukon XL 1500

SL

2000-2006

GMC

Yukon XL 1500

SLE

2000-2006

GMC

Yukon XL 1500

SLT

## Details

- **Price:** 100.08 CAD
- **Vendor:** Zone Offroad
- **Type:** Shocks and Struts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 100.08 CAD | In stock |

## Images

- Photo - Primary
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/zone-offroad-nitro-shock-21-50in-x-13-75in-x-2-3-8in-s1-ubrkt)
> Updated: 2026-07-15