Product Description
4WD 6.60L PROD DATE: 2021-03-06 A
4WD 6.60L PROD DATE: 2021-03-06 A
SIERRA 2500 PICKUP 20-21 (front axle), 3.42 ratio (opt GU6)
SIERRA 3500 PICKUP 20-21 (front axle), 3.42 ratio (opt GU6)
SIERRA DENALI 2500 20-21 (front axle), 3.42 ratio (opt GU6)
SIERRA DENALI 3500 20-21 (front axle), 3.42 ratio (opt GU6)
SILVERADO 2500 PICKUP 20-21 (front axle), 3.42 ratio (opt GU6)
SILVERADO 3500 PICKUP 20-21 (front axle), 3.42 ratio (opt GU6)