SKU: B443700 | UPC: 731946517733
Cobb Subaru EJ TGV Shaft Seal Kit 2002-2021 WRX STI Forester XT Legacy GT
The Cobb Subaru EJ TGV Shaft Seal Kit replaces factory seals on Tumbler Generator Valve shafts to stop boost leaks and maintain turbo pressure. Designed for 2002-2021 Subaru models with EJ20 and EJ25 turbo engines including WRX, STI, Forester XT, and Legacy GT. Delivers reliable sealing for consistent power delivery and throttle response during spirited driving.
Key Features
- Double-Lip Seal Design: Provides two sealing points per shaft for complete prevention of air leaks under high boost conditions.
- High-Temperature Viton Material: Resists heat up to 400°F and oils, outlasting OEM rubber seals that degrade over time.
- Direct OEM Replacement: Matches factory dimensions for plug-and-play fit without modifications or special tools.
- Four Seals Included: Complete kit covers both TGV shafts with left and right specific seals for precise installation.
- Boost Leak Prevention: Eliminates common failure point causing power loss, check engine lights, and reduced spool time.
Product Notes
- Inspect TGV shafts for wear during installation; replace if scored.
- Use fresh intake manifold gaskets when servicing to ensure full seal integrity.
- Small lightweight part ships in protective poly bag inside padded envelope.
Installation Notes
- Professional installation recommended.
- Remove upper intake manifold to access TGV shafts; no manifold disassembly required.
- Compatible with stock hardware and aftermarket TGV deletes with shaft retainment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2004-2009 | Subaru | Forester | XT |
| 2005-2009 | Subaru | Legacy | 2.5 GT |
| 2008-2014 | Subaru | Impreza | WRX |
| 2008-2014 | Subaru | Impreza | Hatchback WRX |
Why Choose Cobb?
- Leaders in Subaru tuning with products tested on dynos and tracks worldwide.
- Engineered in the USA using premium materials for daily and race use.
- Backed by detailed instructions and customer support from Subaru specialists.
Frequently Asked Questions
- Q: Will this fit my 2006 STI with stock intake manifold?
A: Yes, direct fit for all EJ257-equipped STI models from 2004-2021 with factory TGVs. - Q: What material are the seals made from?
A: Viton fluoroelastomer for superior heat, oil, and fuel resistance compared to stock rubber. - Q: Is there a warranty on this kit?
A: Covered by Cobb’s limited lifetime warranty against defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Padded envelope, 6 x 4 x 1 inches
- Weight: 0.1 lbs
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