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Cobb EJ TGV Shaft Seal Kit – 08-14 WRX 08-21 STI / 09-13 FXT / 07-12 LGT

Cobb EJ TGV Shaft Seal Kit – 08-14 WRX 08-21 STI / 09-13 FXT / 07-12 LGT


The Tumble Generator Valves (TGV) in modern Subarus have a tendency to develop a leak on the end opposite of the motor/sensor over time. In the past, addressing this leak was tedious and costly. The COBB TGV Shaft Seal kit provides an inexpensive solution that can be tackled in your own garage!

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The COBB TGV Shaft Seal Kit consists of two billet aluminum plates that have been anodized black. A COBB logo is then laser etched on the end of each. Two o-rings, one for each plate, provide a quality seal to the TGV’s housing.

These install into the end of the TGV housing that is opposite of the combined sensor/motor on late model Subaru EJ powered vehicles.


Subaru EJ TGV Shaft Seal Kit

  • Black Anodized Aluminum
  • Laser Etched COBB Logos
  • Solves Pesky Leaks
  • Includes 2x Plates – One for each TGV


This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles.


Additional Information

Weight .23 lbs
Dimensions 6.7 × 3.4 × 3.3 in


  • 2008-2014 WRX
  • 2008-2021 STI
  • 2009-2013 FXT
  • 2007-2012 Legacy GT
  • 2007-2009 Outback XT


Installation Guide

Install Guide