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SKU: TS-0600-2003 | UPC: 9329677016802
Turbosmart IWG75 Twin Port Diaphragm Assembly Replacement Subaru Impreza WRX STI 2004-2021 Mitsubishi Lancer Evolution
The Turbosmart IWG75 Twin Port Diaphragm Assembly Replacement is a direct-fit part for Turbosmart IWG75 Twin Port wastegate actuators. It suits Subaru Impreza WRX STI 2004-2021 Mitsubishi Lancer Evolution VIII-IX-X and other turbocharged performance vehicles equipped with compatible actuators. This assembly restores accurate boost response and prevents boost creep with its durable construction.
Key Features
- Reinforced Silicone Diaphragm: 3-ply construction handles pressures up to 26 psi for long-term durability in high-boost applications
- Twin Port Configuration: Enables separate boost reference and vent ports for fine-tuned control and reduced lag
- Direct OEM Replacement: Matches original specs for seamless installation without actuator modifications
- Precision Engineered: Australian-made with rigorous testing to maintain consistent wastegate operation
- Quick Restore: Fixes common diaphragm tears or fatigue to return actuator to peak performance
Product Notes
- Confirm your actuator model is IWG75 Twin Port before ordering
- Inspect actuator housing and springs for wear during replacement
- Special order item expect 3-5 business days processing
Installation Notes
- Professional installation recommended.
- Depressurize system and remove actuator linkage before disassembly
- Compatible with all IWG75 Twin Port mounting hardware and brackets
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2015-2021 | Subaru | WRX STI | All |
| 2002-2007 | Subaru | Impreza | WRX |
| 2003-2005 | Mitsubishi | Lancer | Evolution VIII |
| 2006-2007 | Mitsubishi | Lancer | Evolution IX |
| 2008-2015 | Mitsubishi | Lancer | Evolution X |
Why Choose Turbosmart?
- Factory in Sydney Australia designs and manufactures since 1997
- Hand-crafted with strict quality control and testing
- Reliable performance proven in motorsport and street applications
Frequently Asked Questions
-
Q: Does this fit Subaru STI with Turbosmart actuator?
A: Yes fits all 2004-2021 Impreza WRX STI equipped with Turbosmart IWG75 Twin Port actuators -
Q: What material is the diaphragm?
A: 3-ply reinforced silicone rated for high heat and pressure in turbo applications -
Q: What warranty applies?
A: Covered under Turbosmart limited lifetime warranty for manufacturing defects
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 4 x 2 inches
- Weight: 0.25 lbs
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