7l engine l3b gm turbo assigned rpo code turbocharged Chevrolet silverado 2500 3500 – gmc sierra 2500 3500 – denali – denali
GM's New 2.7L Turbo Engine Assigned RPO Code L3B | GM Authority


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7l engine l3b gm turbo assigned rpo code turbocharged Chevrolet silverado 2500 3500 – gmc sierra 2500 3500 – denali – denali