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Small Wastegate Turbos for Diesel Engines

Our latest small wastegate turbos, with improved aerodynamics, provide a cost-effective route to fuel efficiency and emissions control without compromising performance. The compact design focuses on low-end torque and transient response and, with its lighter weight, offers packaging flexibility valued by automakers.


Lower costs & Higher Efficiency through innovative design

Small Wastegate Turbochargers for Diesel Engines

Garrett’s small wastegate turbos for diesel engines offer advanced performance, fuel efficiency and low emissions in a compact design.

Engine Range

Our small wastegate turbos for diesel engines are available for engines ranging from 0.8L to 3L, corresponding to power ratings ranging from 30kW to 120kW.

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Small Wastegate Turbos for Diesel Key Features

Wastegate turbos control engine boost levels by coordinating the actuator and bypass valves. At low speeds, the bypass valve closes to ensure maximum exhaust flow to the turbine and fast turbo response at ignition. At high speeds, the bypass valve opens, limiting the exhaust gas entering the turbine and controlling boosted air supply.
Other notable features include:

  • Aerodynamic design focused on low-end efficiency
  • Z-Ultra bearings that improve low-end torque and transient response
  • Enhanced oil sealing and blow-by levels
  • Optimized seal and piston ring designs

All of our small wastegate turbos for diesel engines are designed to meet ongoing rightsizing requirements.

Lower costs & Higher Efficiency through innovative design

Small Wastegate Turbos for Diesel Benefits

Small wastegate turbos for diesel engines offer more packaging flexibility at a better cost without compromising performance. This gives entry-level engines a cost-effective method of turbocharging. Other key benefits of small wastegate turbos for diesel engines include:

Better Turbo Efficiency

Lower Emissions

Reduced Oil Consumption

Better Drivability

Compact Design

Lighter Weight

Variable Geometry Turbochargers for Diesel Engines Two Stage Parallel Turbochargers for Diesel Engines Two Stage Serial Turbochargers for Diesel Engines Small Wastegate Turbo and Connected Vehicle Solutions

Garrett’s variable geometry VNT technology has been matched to more than 70 million diesel engines in the last three decades. The turbo’s advanced design helps manufacturers boost car and light commercial vehicle engine performance, increasing fuel efficiency, reducing emissions, enhancing driveability and improving packaging flexibility.

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Our Two-Stage parallel turbo for diesel engines was an industry first when we released it in 2006. Since then, it’s increasingly in-demand among auto manufacturers seeking enhanced performance, fuel efficiency, and emissions control.

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Garrett’s Two-Stage serial turbo for diesel compounds the benefits of turbocharging by using two turbos in a series arrangement. This helps improve transient performance, offers better low-speed torque and optimizes fuel efficiency in passenger and commercial vehicle applications. Auto manufacturers can use this technology to either downsize engines or increase performance.

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Garrett’s small wastegate turbos for diesel engines are just one way we’re improving automobiles. We also offer a variety of connected solutions, including Integrated Vehicle Health Management, advanced powertrain controls, and cybersecurity software. In addition, our electric turbochargers and boosting technology helps control emissions without reducing performance.

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Garrett Motion Connected Vehicle

Ultra-Efficient Clean Diesel Platforms Can Benefit Greatly from Garrett’s Downsized, High-Temperature VNT Boosting Technology

Garrett’s sixth generation variable geometry turbo architecture (VNT) is helping auto manufacturers harness the performance potential of higher temperature diesel powertrains.

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