#B003 / GM Amplifier P# : 20811234

Tahoe & Yukon, without Denali. , Chevrolet & GMC, without Denali. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Helps provide a wonderfully rich listening experience in your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors