W8007383 - W20/W22 Brake Caliper Asm (66mm)

W8007383 - W20/W22 Brake Caliper Asm (66mm)


Order Shipment Notice: 

Most orders are shipped within 24 hours from the order date. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays are processed on the next business day. Please see our shipping terms for more information.

Part# W8007383


This is a Brand New Workhorse Brake Caliper Assembly for the Workhorse W20-W22. This is the Part Number to Order for Non-Recall (51101-C) Replacement.


  • All W20-W22 Chassis.


  • W8006522
  • W8006120
  • W8000567
  • W8000374
  • 2605823C91
  • W8000348
  • W0005210
  • W8002341
DOES THIS FIT REAR DRIVERS SIDE . ( Ian Rogers, 05/08/2019 )
Yes, this caliper is used on all 4 corners. ( Support )
How do I know if the brake caliper piston is 66mm or 73mm? ( Greg Vitek, 01/18/2019 )
All W20 & W22's use 66MM calipers. ( Support )
Will this fit both the driver AND the passenger side of my RV or is there a different part for each side? (I purchased one in the fall for the passenger side and want to replace the driver side.) ( Jim Jeffers, 08/16/2018 )
Yes, the W22 uses the same caliper on all 4 corners. ( Support )

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 The state of California requires that this warning be posted for people purchasing products that reside in California.

WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

VIN Verification Service Item

This product allows for a VIN verification service.

  • This is a service that we provide free of charge when a part is purchased.
  • When you provide your VIN below we will personally verify your part selection by your VIN before shipment of your order.
  • This helps ensure that this is the correct part for your vehicle.
  • This is not an automatic VIN check, it is done by a parts specialist once order is placed.
  • We can only VIN verify vehicles back to model year 1996, if older we can help but can't guarantee fitment.
  • If you would like to have your part selection verified before purchase please call or email us.

Shipping Insurance Notice

NOTICE: For orders outside of United States

If you are placing an order to ship outside the United States, Shipping Insurance will be required and added automatically at checkout.


  • $335.03
  • $248.17

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