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Service bulletin 06-66-18

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10150936
Published by NHTSA2018-12-10
Manufacturer's number06-66-18
Manufacturer's date2018-10-12
NHTSA componentSERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR:DISC:ROTOR; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

NHTSA's summary

This Service Information bulletin announces a design change made to the front brake rotors used on the models listed above. The change makes it easier to identify these parts from those used on other models.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Brake rotor

Vehicles listed
SUBARU WRX2015, 2016, 2017, 2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
06-66-182018-12-10. Service bulletin. This Service Information bulletin announces a design change made to the front brake rotors used on the models listed above. The change makes it easier to identify these parts from those used on other models.