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Garrett External Wastegate

Part # 908827-0004

CLEARANCE ITEM / ALL SALES FINAL - External Wastegate Kit 40mm Silver

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Garrett External Wastegate

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Garrett external wastegates regulate turbocharger shaft speed by venting exhaust gas around the turbine stage of the turbocharger. CFD optimized design maximizes flow and delivers optimum boost control. Advanced termal optimization increases durability of the diaphram. The cap design makes spring changes and serviceability of the entire Garrett lineup easier and more reliable to perform.

Features:

  • CFD tested for maximum flow and thermal efficiency
  • Optimized actuation stability and temperature resistance for superior durability
  • Replaceable valve and bushing components to increase service life
  • Robust design for easy diaphragm replacement
  • Liquid-cooled actuator ports for use on severe applications (up to 52% reduction in body temp)
  • Anodized aluminum actuator cover
  • Four Colors: Red | Blue | Black | Silver
  • Three Sizes: 40mm | 45mm | 50mm
  • Springs | Fittings | Flanges | V-bands included
  • Standard Base Pressure: 1 Bar | 14.5 PSI
  • Maximum Base Pressure:
  • GVW40: 25 PSI | 1.7 Bar
  • GVW45 | GVW50: 23 PSI | 1.6 Bar
  • Minimum Base Pressure: 3 PSI | 0.2 Bar

About Garrett Turbochargers

Explore Garrett Turbochargers for high-performance turbos and components. Available on Holley.com!

Base Pressure1 bar / 14.5 psi
Brand Garrett Turbochargers
CategoryAir and Fuel Delivery
ColorSilver
Emission Code3
Max Spring Base Pressure1.7 bar / 25 psi
Min. Spring Base Pressure0.2 bar / 3 psi
Part TypeTurbocharger Wastegate
Product TypeWastegate
Sub CategoryTurbocharger, Supercharger and Ram Air
Valve Diameter40 mm
UPC090127475119
California Proposition 65 Chemical Name 1Chromium (hexavalent compounds)
California Proposition 65 Chemical Name 2Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number908827-0004
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Wastegates are set to 1 bar / 14.5 psi of base pressure and can be configured from 0.2 bar / 2.9 psi to 1.7 bar / 24.7 psi

*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.