Dorman - HELP Differential Crush Sleeve P/N:81055
Help set pinion bearing preload during differential service with the Dorman - HELP Differential Crush Sleeve / Pinion Crush Sleeve, part number 81059. It fits many vehicles, among them the 2011-2019 Ram 1500, 2002-2010 Dodge Ram 1500 and 2000-2010 Dodge Dakota. It is cataloged for both front and rear differential applications. See the "Vehicles it fits" section for the full list.
A crush sleeve sits on the pinion shaft between the pinion bearings. As the pinion nut is tightened, the sleeve compresses to hold the bearings at the intended preload. Because a used sleeve has already been deformed, a new one is generally installed at reassembly. This part is listed under both names, differential crush sleeve and pinion crush sleeve.
Interchange: 3507678
This part cross-references / interchanges with the following part numbers:
What does a differential crush sleeve do?
It sits on the pinion shaft between the pinion bearings. It compresses as the pinion nut is tightened, which helps hold the bearings at the intended preload.
Does the Dorman 81059 fit the 2011-2019 Ram 1500?
Yes, it is listed for the 2011-2019 Ram 1500, the 2002-2010 Dodge Ram 1500 and the 2000-2010 Dodge Dakota. Check the "Vehicles it fits" section for your exact vehicle.
Is this crush sleeve for the front or rear differential?
It is cataloged for both front and rear differential applications, so it can serve either axle where the vehicle's listing calls for it.
Can I reuse my old crush sleeve?
Dorman lists this sleeve as a required replacement when the differential is serviced. An old sleeve has already been crushed once, so a new one is generally installed at reassembly.
What should I know before installing it?
Follow the vehicle service information for the pinion nut tightening procedure and the bearing preload specification. Overtightening can crush the sleeve too far.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.