Rebuild a worn or leaking front brake caliper with the Dorman - First Stop Disc Brake Caliper Repair Kit D670166. It serves as a direct replacement for the sealing components inside a front disc brake caliper and fits many 2006-2016 GM, Jeep, Isuzu and Saab applications — including the 2006 Chevrolet SSR, 2006-2009 Chevrolet Trailblazer, 2006-2010 Jeep Grand Cherokee, 2007-2016 GMC Acadia and 2009-2015 Chevrolet Traverse. See the Buyer's Guide tab for the full list.
The piston seal maintains the hydraulic seal around the caliper piston, while the piston boot keeps dirt and moisture out of the bore. If worn seals are the cause of a fluid leak, a sticking piston or a dragging brake, this kit replaces them.
Interchange: 41509K · 41254 · 143.58005
Manufacturer part number D670166.
This part cross-references / interchanges with the following part numbers:
What's included in this caliper repair kit?
It contains 2 piston seals and 2 piston boots molded in black EPDM rubber. Installation hardware, bolts, pins and caliper grease are not included.
Which vehicles does the D670166 kit fit?
It's a front caliper repair kit for many 2006-2016 GM, Jeep, Isuzu and Saab models, such as the Chevrolet Trailblazer, GMC Acadia and Jeep Grand Cherokee. Check the Buyer's Guide tab for the full list.
What piston bore size does it fit?
The kit is sized for a 2.125 in caliper piston bore.
Does it come with bolts, pins or grease?
No. Bolts, pins, installation hardware and caliper grease are not included; consult the service information for the correct fasteners and whether they may be reused.
How do I know if I need this kit?
Signs the caliper seals may need replacing include brake fluid seeping at the piston, a sticking piston or a dragging brake. Diagnose the cause before rebuilding.
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.