OE Quality
60-Day Returns

Dorman D670011 Disc Brake Caliper Repair Kit - Front
Dorman D670011 Front Caliper Repair Kit
This Dorman disc brake caliper repair kit restores the sealing components needed to service a front brake caliper and return proper disc brake operation. It is a standard replacement for select Toyota Tacoma, Toyota 4Runner, Lexus GX470, Hummer H3, and Hummer H3T applications with a 45.5 mm bore.
- Disc brake caliper repair kit for front caliper service
- 45.5 mm bore size for matched application fitment
- Rubber construction for sealing and flexibility
- Black finish
- Standard replacement grade
- Package contents: repair kit
- Installation hardware not required
Fitment and Application Details
Fits 2005-2018 Toyota Tacoma, front, bore: 45.5 mm. Fits 2003-2005 Toyota 4Runner, front, bore: 45.5 mm. Fits 2003-2009 Lexus GX470, front, bore: 45.5 mm. Fits 2006-2010 Hummer H3, front, bore: 45.5 mm. Fits 2009-2010 Hummer H3T, front, bore: 45.5 mm. This part cross-references Carlson 15289 for the same application.
What This Kit Helps Repair
- Brake fluid seepage at the caliper
- Sticking or uneven caliper piston movement
- Worn rubber seals in the front brake caliper
- Brake drag caused by deteriorated internal caliper components
- Loss of proper brake pedal feel from caliper seal wear
Installation Notes
Confirm the caliper bore size before installation; this kit is specified for 45.5 mm front calipers. Clean the caliper thoroughly during service and inspect the piston, bore, and slide components for wear before reassembly. Use proper brake service procedures and fresh brake fluid when completing the repair. Dorman D670011 is a direct repair solution for front brake caliper service on the listed Toyota, Lexus, and Hummer applications.
Quality Assurance
Dorman manufactures this repair kit as a standard replacement using quality rubber components for reliable performance and durability. It is engineered to match the original components required to restore proper caliper operation on the specified vehicles.
| Brand | Dorman |
| Part Number | D670011 |
| Bore Size | 45.5 mm |
| Color/Finish | Black |
| Installation Hardware Included | Not required |
| Item Grade | Standard replacement |
| Material | Rubber |
| Package Contents | Repair kit |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2017 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2016 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2015 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2014 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2013 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2012 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2011 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2010 | Hummer | H3 | Front | Bore: 45.5 mm |
| 2010 | Hummer | H3T | Front | Bore: 45.5 mm |
| 2010 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2009 | Hummer | H3 | Front | Bore: 45.5 mm |
| 2009 | Hummer | H3T | Front | Bore: 45.5 mm |
| 2009 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2009 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2008 | Hummer | H3 | Front | Bore: 45.5 mm |
| 2008 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2008 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2007 | Hummer | H3 | Front | Bore: 45.5 mm |
| 2007 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2007 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2006 | Hummer | H3 | Front | Bore: 45.5 mm |
| 2006 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2006 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2005 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2005 | Toyota | 4Runner | Front | Bore: 45.5 mm |
| 2005 | Toyota | Tacoma | Front | Bore: 45.5 mm |
| 2004 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2004 | Toyota | 4Runner | Front | Bore: 45.5 mm |
| 2003 | Lexus | GX470 | Front | Bore: 45.5 mm |
| 2003 | Toyota | 4Runner | Front | Bore: 45.5 mm |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.