Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →A turbocharger uses exhaust flow to spin a turbine connected by a shaft to an intake-air compressor. The compressor pushes more air into the engine; with the right fueling and controls, that extra air can help the engine produce more power. An intercooler may cool the compressed air, while a wastegate or variable turbine geometry controls how the exhaust drives the turbine.
How does a turbocharger work?
A turbo has two separate gas paths: hot exhaust flows through the turbine side, while fresh air flows through the compressor side. The gases do not mix inside the turbocharger. Instead, the turbine and compressor wheels are joined by a shaft, so energy from the exhaust turns the compressor.
- Exhaust spins the turbine. Exhaust leaving the engine is directed through the turbine housing and across the turbine wheel.
- The shaft turns the compressor. The turbine wheel and compressor wheel rotate together on a supported shaft.
- The compressor pressurizes intake air. It draws in fresh air and raises its pressure before the air reaches the engine.
- The engine uses the denser charge. More air mass in the cylinders can allow more fuel to be burned, which can produce more power.
The turbocharger is one part of a larger turbo system, which also includes intake and exhaust plumbing, controls and, on many installations, an intercooler. The layout and equipment vary by engine.
What are the main turbocharger components?
- Turbine wheel and housing: guide exhaust flow over the turbine wheel.
- Compressor wheel and housing: draw in and compress intake air; the housing helps direct the airflow onward.
- Shaft and bearing system: connect and support the rotating wheels.
- Intercooler, if fitted: a separate heat exchanger that cools compressed intake air before it enters the engine.
- Boost-control hardware: such as a wastegate or variable turbine geometry, depending on the design.
Why does a turbocharger need an intercooler?
Compressing air raises its temperature as well as its pressure. Where an intercooler is fitted, it removes heat from the compressed intake charge before that air reaches the engine. The intercooler is separate from the turbocharger itself, and not every turbo system uses the same charge-cooling arrangement. Standard Motor Products describes the turbocharger and charge-cooling arrangement; SEAT also explains turbocharging and intercooling.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
#1 Best Overall
- [VEHICLE FITMENT]: Compatible with GM (Chevy) Cruze 2011-2015; Sonic 2012-2020; Trax 2013-2021; Compatible with Buick Encore 2013-2021 ---1.4L Gas VVT Turbocharged Ecotec LUV
- [REFERENCE PART NUMBER]: 781504-0001, 781504-0002, 781504-0004, 781504-0006, 781504-0007, 7815040001, 7815040002, 7815040004, 7815040006, 55565353, 55565354, 667-203, 783791-1
- [KEY FUNCTIONS]: An sealing device is installed between compressor wheel and bearing support, prevent oil from leaking into intake manifold and eventually cause engine burn oil.
- [TURBOCHARGER FEATURES] : Turbo kit is equipped with wastegate and actuator, and this compressor and turbine housing is made of high grade alloy to rapidly dissipate heat at extreme rotate speed, ultimately extending the service life of the product.
- [ABOUT WARRANTY]: 1 Year (12 Months) Unlimited-mileage Quality Guarantee.
How is boost controlled?
Boost control manages how much exhaust energy drives the turbine. Two common approaches work differently; a turbo does not necessarily use both.
Wastegate
A wastegate lets some exhaust bypass the turbine. Diverting exhaust in this way limits turbine drive and helps regulate boost. Its operation is part of a system whose specific hardware and controls depend on the engine. IHI outlines wastegate turbocharger designs.
Rank #2
- FITMENT: 1.4L Turbo Compatible with Chevy: 2011-2015 Cruze, 2016 Cruze Limited, 2012-2020 Sonic, 2013-2018 Trax. Compatible with Buick: 2013-2018 Encore
- PART NUMBER: Turbocharger replace for 667-203, 55565353, GT1446V, 40-80745S4, 25201063, 860156, 847-1446, 781504-5004S, 781504-5001S, 781504-0002, 781504-0004, 7815040005, 7815040006, 7815040007, 781504-0001, 7815045001S, 781504-5004, 14030485-101, 14030485-102, 14030485-103, MGT1446V, 667203
- PACKAGE INCLUDES: Turbo kit includes turbocharger assembly, intercooler bypass valve, exhaust & intake iron gaskets, paper oil return gasket and copper oil Inlet gaskets
- HIGH PERFORMANCE: Made from premium materials with high temperature resistance and anti corrosion coating for long-term durability under extreme engine conditions
- PERFECT FIT: Engineered to OEM specifications, our turbochargers ensure a perfect fit for direct replacement
Variable turbine geometry
A variable-geometry turbocharger changes the position of guide vanes at the turbine inlet, altering the area and direction through which exhaust flows. Narrowing the area can direct low-flow exhaust more effectively; opening it accommodates greater flow or reduced boost demand. It is a different control strategy from bypassing exhaust through a wastegate. Audi’s technical explanation of VTG, marked “Status: 2011,” describes vane behavior in a TDI application; it should not be taken as a statement about every current Audi engine.
Electrically assisted turbocharging
Some advanced systems add an electric motor to assist turbo speed, and may recover energy under suitable exhaust conditions. This is a particular design option, not a feature of all turbochargers. IHI describes electrically assisted turbocharging alongside its other designs.
Recommended Free Tools
Rank #3
- 【FITMENT】Compatible with Buick and Chevrolet Models with 1.4 Liter 4-cylinder engine, including 2013-2021 Buick Encore, 2011-2015 Chevrolet Cruze, 2016 Chevrolet Cruze Limited, 2012-2020 Chevrolet Sonic, 2015-2021 Chevrolet Trax
- 【OEM PART NUMBER】667-203, 25201066, 25198474, 25199832, 25201063, 25198550, 55565353, 781504-0001, 781504-0002, 781504-0004, 781504-0005, 781504-0006, 781504-0007, 14030485-101, 14030485-102, 14030485-103, 14030485-104, 14030485-105, 14030485-106
- 【ULTIMATE SOLUTION】A failing turbocharger is susceptible to power loss, leaking, smoking, increased oil consumption, and emits a loud siren noise. Our superior replacement turbocharger goes beyond merely fixing these problems and improves engine performance, offering unmatched efficiency and fuel economy without sacrificing power
- 【EXQUISITE WORKMANSHIP】Made of high-grade aluminum and iron, provides excellent abrasion resistance. Precision-machined housing ensures tight sealing, preventing leakage, while compressor and turbine wheels efficiently extract energy from exhaust gas, driving the compressor and minimizing friction, ensuring longevity and reliability, guarantees superior performance
- 【PURCHASE WITH CONFIDENCE】We deliver a one-year guarantee on our products, providing you with assurance and reliability on every driving. If you have any questions about our products, please feel free to contact us, we will reply to you within 24 hours
Does a turbocharger always improve fuel economy or emissions?
No. A turbocharger can help an engine produce more power from a given displacement, but that does not guarantee lower fuel use or emissions in real driving. The outcome depends on the engine, its controls and the complete vehicle system. Added air enables additional fueling; how the engine is designed and operated determines the result. Cummins explains the relationship between compressed air, combustion and power, while SEAT describes turbocharging in its engine glossary.
What can turbocharger trouble look like?
Possible signs include loss of power, excess smoke, higher fuel consumption, overheating, elevated exhaust temperature or oil leaks. These symptoms can also have other causes, so one symptom or trouble code is not enough to confirm that the turbocharger has failed. Debris, restricted flow and leaks in the ductwork can also impair performance. Standard’s technical guide discusses symptoms and diagnostic cautions.
Rank #4
- [VEHICLE FITMENT]: Compatible with GM (Chevy) Cruze 2011-2015, Cruze Limited 2016; Sonic 2012-2020; Trax 2013-2021; Compatible with Buick Encore 2013-2021 ---1.4L Gas VVT Turbocharged Ecotec LUV
- [REFERENCE PART NUMBER]: 781504-0001, 781504-0002, 781504-0004, 781504-0006, 781504-0007, 7815040001, 7815040002, 7815040004, 7815040006, 55565353, 55565354, 667-203
- [KIT INCLUDED]: ①1x Exhaust Iron Gasket; ②1x Intake Iron Gasket; ③1x Paper Oil Return Gasket; ④2x O-ring Seal Washer (Silicone); ⑤2x Copper Oil Inlet Gasket; ⑥2x Coolant Composite Material Seal Washers
- [TURBOCHARGER FEATURES] : Turbo kit is equipped with wastegate and actuator, and this compressor and turbine housing is made of high grade alloy to rapidly dissipate heat at extreme rotate speed, ultimately extending the service life of the product.
- [ABOUT WARRANTY]: 1 Year (12 Months) Unlimited-mileage Quality Guarantee.
Underboost code P0299 and overboost code P0234 are examples of faults that may be associated with turbo-system problems. The guide notes that wastegate, hose or control faults can contribute; these codes do not identify one definitive failed part. Diagnosis needs to consider the vehicle and its full air, exhaust and control systems.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What matters when replacing a turbocharger?
A replacement must match the vehicle application; a turbocharger is not a universal fit. Confirm the year, make, model, engine and part fitment before choosing a vehicle-specific replacement. Installation also depends on the vehicle’s service procedure. Standard advises checking that ductwork is clean and sealed, ensuring proper lubrication and cooling, and bleeding fresh engine oil through the replacement turbo before startup. Follow the applicable vehicle-specific instructions for the actual repair. Standard’s installation guide provides additional replacement considerations.
Quick Recap
Best Value
- 【FOR CRUZE 2011-2015 TURBO】Our turbocharger compatible with Cruze 2011-2015, Cruze Limited 2016, Encore 2013-2021, Sonic 2012-2020, Trax 2013-2021. Complete installation kits helps the installation step easier. Please verify the part number before making any replacements or orders, avoiding incorrect orders and saving valuable time.
- 【OE REPLACEMENT】Replace 55565353, 55565354, 667574, 667203. Before ordering, please check your car model and part number to ensure 100% compatibility with your vehicle model. Click "confirmed fit | Make sure this fits" on the page, this system helps you verify your vehicle, check compatibility, and calculate the year and model.
- 【SUPERIOR ENGINE RESPONSE】The engine turbo charger replace made of nickel-based casting alloy, solid product appearance, can withstand high pressure. A turbocharger can increase the power of your engine by up to 40% or more. It can start the machine in a short time,make the boost comes up fast and pulls strong, making it work more efficiently.
- 【PRE-INSTALLATION NOTES】Our turbocharger's turbine wheels and shafts are precision heat-treated for enhanced strength and extended lifespan. Thoroughly lubricate the turbo bearing before installation to prevent shaft damage or misalignment due to low oil supply.
- 【CUSTOMER SUPPORT】- Professional installation is recommended to prevent damage during setup and testing. If you encounter any issues or the item does not function properly, please feel free to contact us, and we will resolve them within 24 hours. If products don't meet your expectations or you are not sure about the vehicle fitment, we’ll take care of it.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
