Description: All. Extended cab, without dual rr wheels. Crew cab, without duar rr wheels. With active brake control. Without code abgu. Silverado, sierra. 2500 series. Yukon XL, Suburban. 6.0l. Single Rear Wheels. Electronic Stability Control. , 3/4 ton. Pressure tested to ensure safe and confident braking Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality Manufactured with GM Original Equipment specification for fit, form, and function

Description: GM Genuine Parts Power Brake Boosters are designed, engineered, and tested to rigorous standards, and are backed by General Motors.  These boosters connect the brake pedal apply system to the master cylinder. The brake booster is a force multiplier that causes additional force to be applied to the master cylinder for additional braking power.  GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles.