# Fabtech 2019 GM K1500 Trail Boss/AT4 4WD 1.5in Ball Joint UCA System - Component Box

The tubular Upper Control Arms with heavy duty ball joints address the geometry of the front suspension with the new ride height for proper alignablity. Due to the new GM suspension geometry of the 2019, there are no differential drop brackets required for the CV axles to operate properly.

-   The Stress And Abuse Found In Performance Vehicles
-   Fabtech Ball Joints Are Designed To Meet

This Part Fits:

Year

Make

Model

Submodel

2020-2021

Chevrolet

Silverado 1500

Custom

2019-2021

Chevrolet

Silverado 1500

Custom Trail Boss

2020-2021

Chevrolet

Silverado 1500

High Country

2020-2021

Chevrolet

Silverado 1500

LT

2019-2021

Chevrolet

Silverado 1500

LT Trail Boss

2020-2021

Chevrolet

Silverado 1500

LTZ

2020-2021

Chevrolet

Silverado 1500

RST

2020-2021

Chevrolet

Silverado 1500

SSV

2020-2021

Chevrolet

Silverado 1500

WT

2022

Chevrolet

Silverado 1500 LTD

Custom

2022

Chevrolet

Silverado 1500 LTD

Custom Trail Boss

2022

Chevrolet

Silverado 1500 LTD

High Country

2022

Chevrolet

Silverado 1500 LTD

LT

2022

Chevrolet

Silverado 1500 LTD

LT Trail Boss

2022

Chevrolet

Silverado 1500 LTD

LTZ

2022

Chevrolet

Silverado 1500 LTD

RST

2022

Chevrolet

Silverado 1500 LTD

SSV

2022

Chevrolet

Silverado 1500 LTD

WT

2019-2021

GMC

Sierra 1500

AT4

2020-2021

GMC

Sierra 1500

Base

2020-2021

GMC

Sierra 1500

Denali

2020-2021

GMC

Sierra 1500

Elevation

2020-2021

GMC

Sierra 1500

SLE

2020-2021

GMC

Sierra 1500

SLT

2022

GMC

Sierra 1500 Limited

AT4

2022

GMC

Sierra 1500 Limited

Denali

2022

GMC

Sierra 1500 Limited

Elevation

2022

GMC

Sierra 1500 Limited

Pro

2022

GMC

Sierra 1500 Limited

SLE

2022

GMC

Sierra 1500 Limited

SLT

## Details

- **Price:** 989.36 CAD
- **Vendor:** Fabtech
- **Type:** Lift Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 989.36 CAD | In stock |

## Images

- Photo - Primary

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/fabtech-2019-gm-k1500-trail-boss-at4-4wd-1-5in-ball-joint-uca-system-component-box)
> Updated: 2026-06-27