Doc's Engine Air and Cabin Filter Kit for Chevrolet Silverado 2500 HD 2017-2019, Silverado 3500 HD 2017-2019, Silverado 4500 HD 2020-2022, GMC Sierra 2500 HD 2017-2019, Sierra 3500 HD 2017-2019

Doc's Engine Air and Cabin Filter Kit for Chevrolet Silverado 2500 HD 2017-2019, Silverado 3500 HD 2017-2019, Silverado 4500 HD 2020-2022, GMC Sierra 2500 HD 2017-2019, Sierra 3500 HD 2017-2019

• Confirmed Vehicle Fit: For Chevrolet Silverado 2500 HD 2017-2019, Silverado 3500 HD 2017-2019, Silverado 4500 HD 2020-2022, Silverado 5500 HD 2020-2022; and more, see fitment notes; confirm your make, model, and year before ordering.
• Complete Filter Service in One Kit: Includes the engine air filter and the cabin air filter for your vehicle, matched to the same application, so you cover intake and cabin maintenance in a single purchase instead of sourcing two part numbers.
• Restores Engine and Cabin Airflow: The engine air filter clears intake airflow for steady throttle response and fuel economy; the cabin filter restores heater and A/C airflow, replacing two filters that choke performance as they load with dust and debris.
• Direct OEM Replacement: Both filters match the original dimensions and media and drop into the factory airbox and cabin housing with no modification; kit includes engine air filter DA10660 and cabin air filter DC3977, with the full cross-reference in prod
• Buy Once, Fit Guaranteed: Verified fitment for both filters confirms your exact match, so you skip hunting two part numbers and avoid returns; replace at your scheduled filter service, or sooner in dusty conditions.