SKU: TS-0552-1202 | UPC: 9329677018707
Turbosmart WG40 Gen V Compgate 40mm – 5 PSI Black Universal External Wastegate
The Turbosmart WG40 Gen V CompGate 40mm – 5 PSI Black is a high-performance external wastegate designed for turbocharged engines requiring reliable boost management. It fits universal applications with V-band inlet and outlet flanges on turbo manifolds. This wastegate provides consistent 5 PSI boost control with options to swap springs for higher pressures up to 26 PSI.
Key Features
- 40mm Valve Diameter: Handles high exhaust flow rates for responsive throttle and reduced turbo lag in demanding setups
- Gen V Actuator Design: Features clockable housing and reinforced 3mm thick walls for precise boost holding above 15 PSI on stock springs
- Nitronic 60 Valve Seat: Ensures extended seat life and consistent sealing under extreme heat and pressure
- Liquid Cooling Ports: M10x1.0 ports allow water cooling to protect the silicone/Nomex diaphragm rated to 250C
- Black Anodized Finish: 347 stainless steel body with corrosion-resistant black actuator housing for long-term durability
Product Notes
- Supplied with 5 PSI spring, additional springs sold separately for custom boost tuning
- Inspect diaphragm regularly for optimal performance in high-heat environments
- Ships in protective packaging to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires V-band clamps and flanges matching turbo manifold provisions
- Clock actuator housing to suit exhaust routing and control arm clearance
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Turbocharged Vehicles | V-Band Compatible |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 with strict quality control
- Proven reliability in performance racing and street applications
- Innovative engineering backed by in-house testing and research facilities
Frequently Asked Questions
- Q: Will this wastegate fit my turbo setup?
A: Yes, it mounts to any V-band turbo flange with 40-45mm wastegate provisions on manifolds from Subaru, Nissan, Toyota and other turbo vehicles - Q: What materials are used in construction?
A: 347 stainless steel housing, Nitronic 60 valve seat, high-temp silicone/Nomex reinforced diaphragm for heat resistance up to 250C - Q: What warranty coverage is provided?
A: Limited lifetime warranty against manufacturing defects when installed and maintained correctly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-insulated box measuring 7.8 x 7.6 x 6.1 inches
- Weight: 4.95 lbs





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