Our parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in your old machine.
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Aftermarket Replace part number : 12688993 12670033 DFI13 A2C9934500 DEF13

Fitment:
Compatible with Chevrolet Silverado 2500 HD 2017-2021 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
Compatible with Chevrolet Silverado 3500 HD 2017-2021 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
Compatible with GMC Sierra 2500 HD 2017-2021 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
Compatible with GMC Sierra 3500 HD 2017-2019 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged

Please check our photos and make sure the part shown looks identical to your stock one.
If there were any questions,contact us first before open any request,we will do our best to your satisfaction.