Headlight Anti-Fog Enhancements for High Heat and Humidity – 2017-2018 Subaru BRZ

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NHTSA ID Number: 10173129

Manufacturer Communication Number: 07-172-20


This bulletin announces availability of new headlamp assemblies which include the following enhancements: (1) Additional ventilation added for optimized temperature control inside the headlamp housing. (2) The added temperature control enhances performance of the anti-fogging coating on the inside of the headlamp lens, improving its resistance to prolonged high temperature / humidity conditions.


2 Affected Products


SUBARU BRZ 2017-2018




NUMBER: 07-172-20
DATE: 03/20/20

SUBJECT: Headlight Anti-Fog Enhancements for High Heat and Humidity



This bulletin announces availability of new headlamp assemblies which include the following enhancements:

  • Additional ventilation added for optimized temperature control inside the headlamp housing.
  • The added temperature control enhances performance of the anti-fogging coating on the inside of the headlamp lens, improving its resistance to prolonged high temperature / humidity conditions.
  • The material used for the ventilation opening caps (sponges) has been changed.
  • The end rubber portions have been changed to enhance their appearance and fit between the headlamp and bumper cover.
  • The end rubbers have also been made available t order as separate components.



The new head lamp assemblies were incorporated into production starting with VIN J9602352.



Description Part Number Application
84913CA412 LEFT SIDE
84002CA392 LEFT SIDE
84942CA030 LEFT SIDE


REMINDER:  Always order the most up-to-date replacement parts based on the specific VIN being repaired.



REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

The service procedures for head lamp replacement remain unchanged.  Always refer to the applicable Service Manual and review the full requirements of the repair being performed.  The Service Manual procedures contain information critical to performing an effective repair the first time and every time.



For vehicles within the Basic New Car Limited Warranty period or covered by an active Subaru Added Security Classic or Gold plan, this repair may be submitted using the following claim information:

Labor Description Labor Operation # Labor Time  Fail Code



  • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time.
  • Always check for any open recalls or campaigns anytime a vehicle is in for servicing.
  • Always refer to STIS for the latest service information before performing any repairs.


NUMBER: 07-172-20
DATE: 03/20/20



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Last update on 2024-06-08 / Affiliate links / Images from Amazon Product Advertising API

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