This is the King Shocks. Listed fitment covers GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Silverado 2500 HD and 1 more application across 2011-2025. Straight replacement-or-upgrade hardware, no fabrication implied.
Suspension and chassis parts only work as a set. If this piece changes ride height, plan on an alignment afterwards, and check whether the same change calls for matching hardware at the other end of the vehicle.
Specifications
| Brand | King Shocks |
|---|---|
| Manufacturer Part Number | 25001-303 |
| SKU | 25001-303 |
Confirmed Fitment
- 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
- 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
- 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
- 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
Fitment data comes from the manufacturer. Vehicles with a lift, level, aftermarket wheels or a non-standard tire size can change what clears, so measure your own setup if it has been modified.





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