Garrett GVW-45 External Wastegate – water-cooled & performance-driven

The Garrett GVW-45 wastegate is designed for high-performance turbocharged engines requiring precise boost control, thermal stability, and maximum reliability. With its 45 mm valve, CFD-optimized stainless steel housing, and water-cooled actuator head, it sets a new benchmark for external wastegates in motorsport and advanced tuning applications.

Main Features

• 45 mm valve diameter – ideal for high-power turbo setups
• CFD-optimized stainless steel housing for maximum flow & efficiency
• Water-cooled actuator head – reduces body temperature by up to 52%
• Redesigned cap for easy spring changes & service
• Direct replacement for TiAL MV-R & Turbosmart Pro-Gate 50
• Spring range: 0.2 – 1.6 bar (default 1.0 bar)
• Available in Red, Blue, Black, Silver

Technical Specifications

• Weight: approx. 1.47 kg
• Base pressure: 0.2 – 1.6 bar (default 1.0 bar)
• Max. exhaust gas temperature: up to 1050 °C
• Diaphragm: high-temp elastomer reinforced with Nomex
• Cap: CNC-machined anodized 6061 aluminum
• Valve guide & bushing: Nitronic 60
• Valve: stainless steel with coated stem
• V-band & flanges: CNC-machined 304 stainless steel
• Springs: 17-7 PH stainless steel for consistent performance

Included in the Box

• Garrett GVW-45 Wastegate
• Complete spring set (0.2 – 1.6 bar)
• V-band inlet & outlet clamps
• Inlet & outlet flanges
• Valve seat
• M8 & M10 washers
• Water fittings incl. banjo bolts
• Thread plugs

Conclusion

The Garrett GVW-45 combines compact design, water cooling, and advanced CFD engineering to deliver ultimate boost control. With compatibility to TiAL MV-R and Turbosmart Pro-Gate 50, it’s the perfect solution for both serious tuning projects and professional racing.