# Cognito 11-25 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD Idler Frame Support Gusset Kit

This kit adds critical reinforcement to the idler support area of the frame, helping reduce flex and wear under load. Made from 1/4-inch plate steel, it improves steering stability and durability—especially on lifted or hard-used trucks. Designed to work with both factory and aftermarket idler supports.

-   Increases idler arm support rigidity for improved steering durability
-   Compatible with both factory and aftermarket idler supports
-   Precision fitment for 2011+ GM HD trucks (2500/3500)
-   Constructed from 1/4-inch high-strength plate steel

This Part Fits:

Year

Make

Model

Submodel

2020-2025

Chevrolet

Silverado 2500 HD

Custom

2015-2025

Chevrolet

Silverado 2500 HD

High Country

2011-2025

Chevrolet

Silverado 2500 HD

LT

2011-2025

Chevrolet

Silverado 2500 HD

LTZ

2011-2025

Chevrolet

Silverado 2500 HD

WT

2024-2025

Chevrolet

Silverado 2500 HD

ZR2

2015-2025

Chevrolet

Silverado 3500 HD

High Country

2011-2025

Chevrolet

Silverado 3500 HD

LT

2011-2025

Chevrolet

Silverado 3500 HD

LTZ

2011-2025

Chevrolet

Silverado 3500 HD

WT

2020-2025

GMC

Sierra 2500 HD

AT4

2024-2025

GMC

Sierra 2500 HD

AT4X

2015-2021

GMC

Sierra 2500 HD

Base

2011-2025

GMC

Sierra 2500 HD

Denali

2024-2025

GMC

Sierra 2500 HD

Denali Ultimate

2022-2025

GMC

Sierra 2500 HD

Pro

2011-2025

GMC

Sierra 2500 HD

SLE

2011-2025

GMC

Sierra 2500 HD

SLT

2011-2014

GMC

Sierra 2500 HD

WT

2020-2025

GMC

Sierra 3500 HD

AT4

2015-2021

GMC

Sierra 3500 HD

Base

2011-2025

GMC

Sierra 3500 HD

Denali

2024-2025

GMC

Sierra 3500 HD

Denali Ultimate

2022-2025

GMC

Sierra 3500 HD

Pro

2011-2025

GMC

Sierra 3500 HD

SLE

2011-2025

GMC

Sierra 3500 HD

SLT

2011-2014

GMC

Sierra 3500 HD

WT

## Details

- **Price:** 144.66 CAD
- **Vendor:** Cognito
- **Type:** Suspension Arms & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 144.66 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cognito-11-25-chevy-gmc-silv-sierra-2500-3500-hd-2wd-4wd-idler-frame-support-gusset-kit)
> Updated: 2026-08-07