Westin Thrasher Boards are made of a 1-piece stamped steel construction. The boards are an aggressive Pre-Runner style and feature indented louvers along the step area. Thrasher Boards have a textured black powder coat finish and include injection molded bracket covers for a finished look.
| Year |
Make |
Model |
Sub Model |
Body/Cab |
Fitment Notes |
Bed Type |
Bed Length |
Engine Cylinders |
Engine Liter |
Engine Aspiration |
Drive |
| 2019 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
77 in. Board Length; Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
Custom Trail Boss |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
RST |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
Chevrolet |
Silverado 1500 |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
AT4 |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
Elevation |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2019 |
GMC |
Sierra 1500 |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
Custom Trail Boss |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
RST |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 1500 |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 2500 HD |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 2500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 2500 HD |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 2500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 3500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
Chevrolet |
Silverado 3500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
AT4 |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
Elevation |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 1500 |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 2500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 2500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 2500 HD |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 3500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2020 |
GMC |
Sierra 3500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
Custom Trail Boss |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
RST |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 1500 |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 2500 HD |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 2500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 2500 HD |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 2500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 3500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
Chevrolet |
Silverado 3500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
77 in. Board Length; Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
AT4 |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
Elevation |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 1500 |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 2500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 2500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 2500 HD |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 3500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2021 |
GMC |
Sierra 3500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 |
RST |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 LTD |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 LTD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 LTD |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 LTD |
RST |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 1500 LTD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 2500 HD |
Custom |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 2500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 2500 HD |
LTZ |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 2500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 3500 HD |
LT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
Chevrolet |
Silverado 3500 HD |
WT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 |
Elevation |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 |
Pro |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 Limited |
AT4 |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 Limited |
Elevation |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 Limited |
Pro |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 Limited |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 1500 Limited |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 2500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 2500 HD |
Pro |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 2500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 2500 HD |
SLT |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 3500 HD |
Base |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 3500 HD |
Pro |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2022 |
GMC |
Sierra 3500 HD |
SLE |
Extended Cab Pickup |
Textured Black |
|
0 |
|
|
|
|
| 2023 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2023 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2023 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2023 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2023 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2023 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2024 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2024 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2024 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2024 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
77 in. Board Length; Textured Black |
|
0 |
|
|
|
|
| 2024 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2024 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
Chevrolet |
Silverado 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
Chevrolet |
Silverado 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
Chevrolet |
Silverado 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
GMC |
Sierra 1500 |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
GMC |
Sierra 2500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|
| 2025 |
GMC |
Sierra 3500 HD |
|
Extended Cab Pickup |
Textured Black; 77 in. Board Length |
|
0 |
|
|
|
|