QT1221 9 Lug Rear Spindle Nut Socket for 2011-2021 GM AAM Rear

QT1221 9 Lug Rear Spindle Nut Socket for 2011-2021 GM AAM 10.50", 11.5", and 12" Full Float Axles with 2-1/8" spindle ends is a 1/2" drive socket with nine drive lugs or pins to fit the 9-slot style retaining nut found on 2-wheel and 4-wheel drive Silverado and Sierra 3/4 ton and 1 ton trucks with AAM 10.5" 11.5", or 12" ring gear, 14 Bolt, Full-Floating Rear Axles. USA Made. NOTE: QT1221 does NOT fit 2020-2021 3500 Dual Rear Wheel Trucks with 2-3/8" spindle ends. Use QT1269 for 2020-2021 3500 duallys!

Also See: QT1221i 9 Lug Rear Spindle Nut Socket, Imported

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Dan the Gear Man® Tech Notes:
Matching Parts
Applications

Tech Note 1: Matching Parts
QU30118 2011-2021 10.5", 11.5" AAM/GM Rear Axle Spindle Nut

Applications
Chevy/GMC:
Silverado and Sierra 3/4 ton and 1 ton trucks with AAM 10-1/2" or 11-1/2" 14 Bolt Full Floating Rear Axles: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Silverado and Sierra 3/4 ton and 1 ton trucks with AAM 11-1/2" or 12" 14 Bolt Full Floating Single Rear Wheel (SRW) Rear Axles: 2020, 2021