Description
TK21004 Rear Wheel Seal for 2017-current Ford F350 Dual Rear Wheel Super Duty with Dana M300 Rear Axles. TK21004 is a genuine original equipment seal that is an exact replacement for your original seals. Use optional QT1556 Seal Installer to install this seal to the correct depth in the recessed seal bore.
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:
Lubricate
Seal Installer
Matching Parts
Applications
Tech Note 1: Lubricate
Always lubricate the lip of your new seal with clean grease before installing the hub on the spindle!
Tech Note 2: Seal Installer
Wheel Seals are easily damaged when using makeshift tools. Use QT1556 Seal Installer with QT1100 1" x 8" Standard Duty Driver Handle or QT1116 1.25" x 8" Pro-Duty Driver Handle.
Tech Note 3: Matching Parts
XV270 2017-UP F-350 DRW Dana m300 Exploded View
Matching Parts for TK21004 F350 Dana M300 Rear Wheel Seal:
QU50647 Inner Wheel Bearing
QU50646 Inner Wheel Bearing Cup
TK21008 DRW Rear Wheel Hub
QU50411 Outer Wheel Bearing Cup
QU50412 Outer Wheel Bearing
QU40102 Right Hand Thread Ratchet Type Spindle Nut
TK21003 Axle to Hub Bolt
TK8388 Rear Wheel Bearing and Seal Kit
TK8389 Rear Wheel Bearing and Seal Kit with Tools
Applications
Ford:
F350 Super Duty Trucks with Dana M300 Dual Rear Wheel Rear Axles: 2017, 2018, 2019, 2020, 2021, 2022
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