Description
TK8391 Dual Rear Wheel Torque King® Rear Wheel Bearing and Seal Kit without Tools for 2019-up Ram 3500 with AAM 14 Bolt 11.5" or AAM 14 Bolt 12" (except Pickups with High Output Cummins*) Rear Axles in 2019-up Ram 3500 trucks with Dual Rear Wheels. Features 4 Timken® Bearings with Cups, 2 Oil Bath Wheel Seals, 2 Axle Shaft O-Rings, 2 Spindle Nuts, 2 Spindle Nut Lock Rings, 2 Locking Keys for Spindle Nuts, 16 Axle Shaft Flange Bolts, plus threadlocker.
Also See: TK8390 DRW Wheel Bearing and Seal Kit with Tools
Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!
Dan the Gear Man® Tech Notes:
Kit Includes
Lubrication
Oil Bath Seal
Axle Vent
Matching Parts
Applications
Tech Note 1: Kit Includes
TK8391 Dual Rear Wheel Master Bearing Kit & Seal Kit without Tools includes these components:
2 QU50376 Timken® Inner Wheel Bearing
2 QU50377 Timken® Inner Wheel Bearing Cup
2 QU50412 Timken® Outer Wheel Bearing
2 QU50411 Timken® Wheel Bearing Cup
2 TK11821 Rear Wheel Seal
2 QU11823 Axle Shaft O-Ring
2 QU10846 Spindle Nut
2 QU30123 Spindle Nut Lock Key
2 QU10866 Spindle Nut Lock Ring
16 QU11121 Axle Shaft Bolt
S24200 Medium strength Blue Threadlocker for the axle shaft flange bolts
Tech Note 2: Lubrication
Under operating conditions, the rear wheel bearings are bathed in oil from the differential, but they do need to be pre-lubricated to provide initial lubrication.
Tech Note 3: Oil Bath Seal
TK11821 is a unitized Oil Bath type rear wheel seal. The rotating sealing surface is inside the seal. Both the ID of the seal is a tight fit on the spindle and the OD is a press fit in the wheel hub. In operation the outer portion of the seal rotates around the inside component. Oil Bath wheel seals can be easily damaged during installation by make-shift or wrong tooling. For best results, I strongly recommend you use optional QT1558 Wheel Seal Installer and either QT1100 1"or QT1116 1-1/4" diameter Driver Handles.
Tech Note 4: Axle Vent
Many wheel seal leaks are caused by pressure building in the axle due to a clogged axle vent system. Always check and clear the vent system. Other common causes of leaking seals include improper wheel bearing adjustment, poor installation techniques/tools (See Tech Note 3), and damaged spindle surface or hub bore.
Tech Note 5: Matching Parts
TK11822 DRW Wheel Hub
QT1025 Spindle Nut Socket
Applications:
Ram with Dual Rear Wheels (DRW)
Ram 3500 with AAM 1150 11.5" Ring Gear 14 Bolt Leaf Spring Rear Axles: 2019, 2020, 2021, 2022
Ram 3500 Chassis Cab with AAM 12.0 12" DRW Ring Gear 14 Bolt Leaf Spring Rear Axles: 2019, 2020, 2021, 2022
*Ram 3500 Pickups with High Output Cummins and AAM 12" Rear Axles use completely different hub parts. See TK8393 for this application.
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