# WeatherTech 120122 DigitalFit Rear Black No Drill Mud Flaps for 2020-2026 GMC Multiple Models

### Performance Overview

Laser measured for a perfect fit, the WeatherTech Digital Mud Flap is engineered to hug every contour for complete vehicle protection. While most mud flaps take quite some time to install, WeatherTech mounts-in-minutes without having to remove your wheels nor having to drill into your vehicle's body.

### Key Features

-   Laser measured for a perfect fit, the WeatherTech Digital Mud Flap is engineered to hug every contour for complete vehicle protection.
-   While most mud flaps take quite some time to install, WeatherTech mounts-in-minutes without having to remove your wheels nor having to drill into your vehicle's body.
-   WeatherTech part number 120122.

### Vehicle Fitment

-   2020 GMC Sierra 2500 HD — Fitment Precision: AT4, BASE, DENALI, SLE, SLT
-   2021 GMC Sierra 2500 HD — Fitment Precision: AT4, BASE, DENALI, SLE, SLT
-   2022 GMC Sierra 2500 HD — Fitment Precision: AT4, DENALI, PRO, SLE, SLT
-   2023 GMC Sierra 2500 HD — Fitment Precision: AT4, DENALI, PRO, SLE, SLT
-   2024 GMC Sierra 2500 HD — Fitment Precision: AT4, AT4X, DENALI, DENALI ULTIMATE, PRO, SLE, SLT
-   2025 GMC Sierra 2500 HD — Fitment Precision: AT4, AT4X, DENALI, DENALI ULTIMATE, PRO, SLE, SLT
-   2020 GMC Sierra 3500 HD — Fitment Precision: AT4, BASE, DENALI, SLE, SLT
-   2021 GMC Sierra 3500 HD — Fitment Precision: AT4, BASE, DENALI, SLE, SLT

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 120122.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Mud Flap for GMC Sierra 2500 HD
-   120122 fitment
-   WeatherTech Mud Flap
-   DigitalFit Rear Black No Drill Mud Flaps fitment
-   2020 GMC Sierra 2500 HD Mud Flap

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2020

GMC

Sierra 2500 HD

AT4, BASE, DENALI, SLE, SLT

2021

GMC

Sierra 2500 HD

AT4, BASE, DENALI, SLE, SLT

2022

GMC

Sierra 2500 HD

AT4, DENALI, PRO, SLE, SLT

2023

GMC

Sierra 2500 HD

AT4, DENALI, PRO, SLE, SLT

2024

GMC

Sierra 2500 HD

AT4, AT4X, DENALI, DENALI ULTIMATE, PRO, SLE, SLT

2025

GMC

Sierra 2500 HD

AT4, AT4X, DENALI, DENALI ULTIMATE, PRO, SLE, SLT

2020

GMC

Sierra 3500 HD

AT4, BASE, DENALI, SLE, SLT

2021

GMC

Sierra 3500 HD

AT4, BASE, DENALI, SLE, SLT

2022

GMC

Sierra 3500 HD

AT4, DENALI, PRO, SLE, SLT

2023

GMC

Sierra 3500 HD

AT4, DENALI, PRO, SLE, SLT

2024

GMC

Sierra 3500 HD

AT4, DENALI, DENALI ULTIMATE, PRO, SLE, SLT

2025

GMC

Sierra 3500 HD

AT4, DENALI, DENALI ULTIMATE, PRO, SLE, SLT

2026

GMC

Sierra 3500 HD

AT4, DENALI, DENALI ULTIMATE, PRO, SLE, SLT

## Details

- **Price:** 219.12 CAD
- **Vendor:** WeatherTech
- **Type:** Mud Flap
- **Tags:** 120122, 2020 GMC Sierra 2500 HD, 2020 GMC Sierra 3500 HD, 2021 GMC Sierra 2500 HD, 2021 GMC Sierra 3500 HD, 2022 GMC Sierra 2500 HD, 2022 GMC Sierra 3500 HD, 2023 GMC Sierra 2500 HD, 2023 GMC Sierra 3500 HD, 2024 GMC Sierra 2500 HD, 2024 GMC Sierra 3500 HD, 2025 GMC Sierra 2500 HD, 2025 GMC Sierra 3500 HD, 2026 GMC Sierra 3500 HD, AT4, AT4X, Automotive, Automotive Performance, BASE, DENALI, DENALI ULTIMATE, Direct Replacement, Mud Flap, PRO, SLE, SLT, Vehicle Specific, WeatherTech

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 219.12 CAD | In stock |

## Images

- WeatherTech 120122 DigitalFit Rear Black No Drill Mud Flaps for 2020-2026 GMC Multiple Models

---

> Source: [Standard Auto Part](www.standardautopart.com/products/weathertech-gmc-mud-flap-120122)
> Updated: 2026-06-17
