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