7 Best Turbochargers for Buick LaCrosse: Improve Throttle Response and Reliability

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: April 23, 2026

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If you own a Buick LaCrosse with a turbocharged engine, choosing the right turbocharger can make a noticeable difference in drivability and long-term reliability. You want a unit that fits correctly, holds boost consistently, and does not introduce odd noises or drivability issues. This guide highlights seven shortlisted turbocharger options for the Buick LaCrosse and explains why each one earned a place on the list. We evaluated candidates across fitment, build quality, and durability under boost to help you pick the right replacement or upgrade.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
ProXlex Turbocharger TD025 Fit for 1.4L Chevy Cruze Buick Encore TraxProXlex Turbocharger TD025 Fit for 1.4L Chevy Cruze Buick Encore Trax
Most Popular
A crowd favorite that many people choose with confidence
Jaxivo Turbocharger 12685682 Direct ReplacementJaxivo Turbocharger 12685682 Direct Replacement
Best Quality
Built to a higher standard if you want something more solid
Dasbecan Turbocharger Kit for 1.5L 4‑Cylinder EnginesDasbecan Turbocharger Kit for 1.5L 4‑Cylinder Engines
Best Budget
The cheapest option that still gets the job done reliably
GELUOXI Turbocharger Replacement for 1.4L Chevy/Buick EnginesGELUOXI Turbocharger Replacement for 1.4L Chevy/Buick Engines
Most Sold
A high-volume bestseller chosen again and again
TEMSONE GT1446 Turbocharger with Gasket KitTEMSONE GT1446 Turbocharger with Gasket Kit
Best Value for Money
The sweet spot between price and what you get
NEWZQ Turbocharger Replacement for Chevy Cruze Buick Encore 1.4LNEWZQ Turbocharger Replacement for Chevy Cruze Buick Encore 1.4L
A-Premium Turbocharger with Installation Kit and Oil Feed LineA-Premium Turbocharger with Installation Kit and Oil Feed Line

1. ProXlex Turbocharger TD025 Fit for 1.4L Chevy Cruze Buick Encore Trax

ProXlex Turbocharger TD025 Fit for 1.4L Chevy Cruze Buick Encore Trax
Best Reviewed
A direct-replacement TD025 turbocharger marketed for 1.4L GM LE2 engines as a factory-quality replacement unit.
Compatible Engine1.4L LE2
Turbo ModelTD025L4bR
Package Contents1 turbocharger with gasket
ManufacturerProxlex

This ProXlex TD025 turbocharger is sold as a direct replacement for GM 1.4L LE2 engines and ships with a gasket for installation. It is intended to swap into vehicles that use the TD025L4bR family of turbos and is typically used to restore lost boost and engine performance after a failed or worn factory turbo. The unit is machined and lists multiple OEM-equivalent part numbers for fitment. For a reliability-focused buyer this turbo’s appeal is straightforward: it aims to match factory fit and function so you can get the car back on the road without modifying other systems. Practical benefits include a complete cartridge and housing ready for bolt-on installation and compatibility with the original turbo model family. Limitations are that the listing does not provide detailed material metallurgy or balanced assembly tolerances, so long-term durability depends on installation quality and proper engine supporting maintenance. Expect a cost-effective replacement that restores factory boost behavior but not an upgraded performance unit.

Best for: A reliability-focused buyer who prioritizes restoring factory performance with a like-for-like replacement rather than seeking power upgrades or custom tuning.

Less Ideal for: Drivers looking to increase horsepower with a higher-flow aftermarket turbo or those who want documented performance testing and advanced materials data.

Pros:
  • Sold as a direct replacement for TD025 turbo models used on 1.4L GM LE2 engines
  • Includes gasket for a ready-to-install swap
  • Machined exterior suggesting precise housing fit for factory mating
  • Lists multiple OEM-equivalent part numbers to simplify fit confirmation
Cons:
  • Manufacturer does not publish detailed internal balancing or material specifications
  • Not marketed as a performance upgrade beyond restoring original boost levels

Verdict A practical, factory-style TD025 replacement that gets a 1.4L GM engine back to original boost behavior without performance upgrades.

2. Jaxivo Turbocharger 12685682 Direct Replacement

Jaxivo Turbocharger 12685682 Direct Replacement
A direct-replacement turbocharger designed to fit select 1.4L GM vehicles and provide a factory-style boost solution.
Compatible Vehicle2016–19 Buick Encore 1.4L, 2016–19 Chevrolet Cruze 1.4L, 2019 Chevrolet Trax 1.4L, 2016+ SGM passenger cars with SGE LE2 engine
ManufacturerJaxivo
Model12685682-Turbocharger
Manufacturer Part Number12685682-Turbocharger

This Jaxivo turbocharger is a direct replacement unit built to match factory specifications for compatible 1.4L SGE LE2 engines. It replaces a long list of OEM part numbers and is intended for straightforward swap-in installation when the original turbo has failed. Typical use is as a like-for-like repair part: remove the worn turbo, fit this unit using the supplied instructions, and reconnect intake, oil, and coolant lines. The listing emphasizes high-temperature materials and a painted exterior to resist corrosion, and the manufacturer states the part is made to standard dimensions so it should mate to existing flanges and hoses without modification. Practical benefits include restoring boost and drivability without tuning, and avoiding the complexity of aftermarket performance turbos. Limitations are that this is specific to small 1.4L GM turbo applications rather than larger engines, and buyers should expect professional installation if they lack experience connecting oil/coolant feeds or calibrating related sensors. A one-year warranty is provided for basic coverage.

Best for: A convenience-driven buyer looking for a straightforward factory-style replacement to restore normal boost and drivability without chasing performance upgrades.

Less Ideal for: Drivers seeking a performance upgrade or fitment for larger engines should look at performance-oriented turbos or units specified for their engine instead.

Pros:
  • Direct-replacement design intended to match factory fitment and mounting points
  • Constructed from materials rated for high temperatures and pressure for durability
  • Includes installation instructions to simplify DIY or shop installation
  • Replaces many OEM part numbers for easier parts matching
Cons:
  • Compatible only with specific 1.4L SGE LE2 GM applications and not for other engine sizes
  • May require professional installation to correctly reconnect oil and coolant lines and avoid leaks

Verdict A practical, factory-style replacement turbo for compatible 1.4L GM cars that restores stock performance without adding complexity.

3. Dasbecan Turbocharger Kit for 1.5L 4‑Cylinder Engines

Dasbecan Turbocharger Kit for 1.5L 4‑Cylinder Engines
Best Quality
A direct-replacement turbocharger kit designed as a factory-quality swap for 1.5L 4-cylinder turbo engines used in select GM vehicles.
Fitment noteCompatible with 1.5T 4‑cyl turbo engines (listed as fit for certain GM turbo models)
Replaces part numbers12679399, 12685688, 12699230 and others listed
MaterialHard alloy construction
InstallationDirect replacement, plug and play

This Dasbecan turbocharger kit is a direct-replacement unit intended to restore turbo boost and engine response on compatible 1.5L 4-cylinder turbo engines. It installs as a plug-and-play assembly to replace a failed turbocharger and is built from a hard alloy claimed to resist corrosion, heat, and wear. In practice the kit provides the expected outcome for a performance-oriented repair: regained throttle response, restored torque delivery in the midrange, and the potential for improved fuel economy once boost is back to spec. Buyers should value the factory-replacement fitment and a sealing design that reduces oil leakage into the intake. Important limitations are that this is an aftermarket unit rather than a factory-branded turbo, so fitment precision and long-term durability depend on installation quality and vehicle tuning; professional installation and inspection of related components is recommended to avoid premature wear. The unit does not include ancillary gaskets or parts beyond the turbocharger itself, so plan for supporting hardware during replacement.

Best for: Performance-oriented buyers who prioritize restoring or reclaiming factory-level boost and throttle response on a turbocharged 1.5L vehicle and want a direct-replacement turbo rather than a tune or upgrade path.

Less Ideal for: Drivers seeking a documented OEM-branded turbo or a performance upgrade beyond factory specifications should consider alternatives or consult a tuner; those who want a complete install kit with gaskets and hardware may prefer a fuller package.

Pros:
  • Direct-replacement design for straightforward swap into compatible turbocharged 1.5L engines
  • Constructed from high-strength alloy to resist heat, corrosion, and wear
  • Sealing design aimed to limit oil leakage into the intake manifold
  • Restores boost and midrange torque for improved acceleration and drivability
Cons:
  • Aftermarket unit rather than factory-branded part so long-term validation is limited
  • May require professional installation and inspection of related components not included in the kit

Verdict A cost-effective, factory-replacement style turbocharger that restores boost and drivability for performance-focused owners but should be installed and verified by a professional.

4. GELUOXI Turbocharger Replacement for 1.4L Chevy/Buick Engines

GELUOXI Turbocharger Replacement for 1.4L Chevy/Buick Engines
Best Budget
A direct-replacement aftermarket turbocharger marketed for 1.4L GM small engines as a budget-friendly option.
ManufacturerGELUOXI
Manufacturer Part Number781504 781504-5001S
OEM Part Number781504, 7815045004S, 7815045001S
Compatible Engines1.4L L4 (GM small engines)

This GELUOXI turbocharger is an aftermarket replacement intended to restore boost to small 1.4L GM engines. It installs like a factory-style unit and is typically used to replace a failed turbocharger to recover lost power and responsiveness. The listing highlights compatibility with a range of 1.4L L4 applications and lists many equivalent part numbers, which helps matching when sourcing a replacement. Practical benefits include restoring engine performance quickly without the cost of an OEM turbo and receiving the part with mounting features and studs in place for direct fitment in many installs. Limitations are variable quality control noted in user reports and occasional fitment fiddling such as excess stud length or swapped sensors that may require minor modifications or transferring components from the old turbo. For a budget-conscious buyer this unit can get a car back on the road and recover power, but expect to inspect and verify balance, seals, and sensor fitment during installation to avoid early failures.

Best for: Budget-conscious owners seeking an inexpensive way to restore turbo function and drivability without paying OEM prices, willing to inspect and make minor adjustments during installation.

Less Ideal for: Drivers who need a guaranteed long-term high-performance or warranty-backed solution should consider factory-quality or remanufactured turbos from established suppliers.

Pros:
  • Direct-replacement design intended for 1.4L GM turbo applications
  • Lists multiple equivalent part numbers to simplify compatibility checks
  • Restores boost and drivability without OEM pricing
  • Arrives with mounting studs and basic fittings for quicker installation
Cons:
  • Inconsistent quality control reported by some buyers
  • May require transferring sensors or trimming studs for perfect fit
  • Not backed by factory warranty information in the listing

Verdict A low-cost aftermarket turbocharger that can restore boost affordably but may need inspection and small adjustments at installation.

5. TEMSONE GT1446 Turbocharger with Gasket Kit

TEMSONE GT1446 Turbocharger with Gasket Kit
Most Sold
A replacement GT1446-style turbocharger assembly with a gasket and bolt kit intended for certain Chevrolet and Buick small turbo engines.
BrandTEMSONE
Item model number667 203
Fitment typeGT1446-style turbocharger assembly
Package contentsTurbocharger, gaskets, clamps, bolts, intercooler bypass valve

This TEMSONE turbocharger is a full replacement assembly supplied with gaskets, clamps, bolts, and an intercooler bypass valve so you can reinstall the unit as part of a turbo swap. It is designed to match GT1446-style fitment and is typically used to replace a failed turbocharger on compatible small-displacement turbo engines. The listing highlights precision-machined compressor and turbine wheels, and a combination of aluminum compressor housing and iron turbine housing for abrasion resistance and sealing. In practice the included gasket and bolt kit reduces the parts you must source separately and should speed up a workshop installation. Some buyers report reliable fit and good value while a minority encountered check-engine issues after installation, which suggests careful pre- and post-install diagnostics and correct oil feed/return plumbing are important. This is a budget-focused replacement rather than a performance upgrade, so expect OEM-like functionality rather than increased power or long-term durability guaranteed for heavy-duty use.

Best for: Risk-averse mainstream buyers seeking a direct replacement turbo to restore factory-like operation without sourcing separate gaskets and hardware.

Less Ideal for: Drivers chasing more power, extreme duty cycles, or guaranteed long-term warranty coverage should consider higher-end remanufactured or OEM-sourced turbos instead.

Pros:
  • Complete kit including turbo assembly plus gaskets, clamps, bolts and bypass valve for easier installation
  • Precision-machined compressor and turbine wheels aimed at consistent spool and sealing
  • Combination of aluminum compressor housing and iron turbine housing for abrasion resistance
  • Fits common GT1446 turbo applications which simplifies parts matching
Cons:
  • Not presented as a long-term performance or heavy-duty upgrade compared with higher-end remanufactured units
  • Some user reports of post-installation check-engine light indicating possible fitment, sensor or installation issues
  • Manufacturer support and long-term reliability data are limited compared with major OEM replacement brands

Verdict A budget-focused GT1446 replacement that bundles the turbo and hardware for faster installing, best for restoring factory performance rather than chasing upgrades.

6. NEWZQ Turbocharger Replacement for Chevy Cruze Buick Encore 1.4L

NEWZQ Turbocharger Replacement for Chevy Cruze Buick Encore 1.4L
Best Value for Money
A direct-replacement turbocharger intended for 1.4L turbocharged GM small cars from model years around 2016 to 2019.
ManufacturerNEWZQ
BrandNEWZQ
Manufacturer Part Number12685682 12668293 12668297

This NEWZQ turbocharger is marketed as a direct replacement for 1.4L turbocharged GM small vehicles and is typically used to restore lost boost after a failed or worn factory turbo. It installs in place of the original turbo and includes the part numbers commonly associated with factory-fit units. In real-world use the unit provides the expected forced-induction function, reestablishing engine power and drivability for vehicles that rely on the turbo for performance. Notable points are the broad coverage of OEM part references and generally positive user reports for fit and operation. Practical benefits include getting a ready-to-install turbo without needing core return or extensive modification, which can make repairs faster and less expensive than sourcing a dealer unit. Limitations are the usual uncertainties with replacement turbos: internal cleanliness concerns reported by users and the lack of manufacturer service support that comes with factory-sourced parts, so careful inspection and correct installation procedures are important to avoid early failures.

Best for: Practical optimizers who prioritize restoring vehicle performance at a lower cost than dealer replacement and who are comfortable arranging professional installation or performing careful inspection themselves.

Less Ideal for: Buyers seeking a factory-backed turbo with full manufacturer warranty or those who prefer a remanufactured unit with certified testing and documented service history.

Pros:
  • Designed to match common OEM part numbers for direct fitment to compatible 1.4L GM turbo engines
  • Arrives ready to install which can reduce repair time compared with sourcing a remanufactured dealer unit
  • Multiple user reports note good fitment and restored engine performance after installation
Cons:
  • Some users reported traces of rust inside oil and coolant ports, indicating variable quality control
  • No factory-authorized support or long-term warranty information provided with the part

Verdict A cost-conscious direct-replacement turbo that can restore boost and drivability cheaply but requires careful inspection and lacks factory-backed support.

7. A-Premium Turbocharger with Installation Kit and Oil Feed Line

A-Premium Turbocharger with Installation Kit and Oil Feed Line
Best Overall
A-Premium replacement turbocharger kit intended to restore turbo function on select 1.4L turbocharged Buick and Chevrolet models and includes gaskets, wastegate actuator, and an oil feed line.
Compatible Engines1.4L turbocharged L4 (A14NET)
Turbo ModelGT1446MZGL / MGT1549SL
Oil Line FittingM12 x 1.5 (male/female fittings)
Gasket IncludedYes
Wastegate Actuator IncludedYes

This A-Premium turbocharger kit is a direct replacement-style unit supplied with the wastegate actuator, gaskets, an exhaust manifold and a turbo oil feed line to simplify installation. It is used to replace a worn or failed turbo on 1.4L turbocharged engines and in practice provides restored boost response and drivability when fitted correctly. Notable features include a GT1446MZGL/MGT1549SL-series turbo model designation, included mounting hardware and an M12 x 1.5 oil line fitting that reduces the need to source extra parts. Buyers can expect improved reliability over a degraded original turbo and straightforward fitment when the kit matches the engine code. Important limitations are variable quality control reported by some users and occasional missing hardware in individual shipments, so verify parts on delivery and plan for a professional install if you lack turbo installation experience.

Best for: Balanced buyers who want a full replacement turbo kit to return a 1.4L turbocharged Buick LaCrosse to reliable operation without extensive aftermarket modification.

Less Ideal for: Drivers seeking a high-performance upgrade beyond factory output or those who want a plug-and-play OEM-sourced unit without any risk of missing parts should consider other options.

Pros:
  • Complete kit approach with gaskets, wastegate actuator and exhaust manifold included to reduce parts sourcing.
  • Turbo and turbine housings claimed to be high-grade alloy for improved airflow and durability compared with heavily worn units.
  • Includes turbo oil feed line with M12 x 1.5 fittings to match factory-style connections and simplify plumbing.
  • Designed specifically for 1.4L turbocharged applications, which helps ensure proper fitment when the engine code matches.
Cons:
  • Some buyers reported missing hardware or fitment adjustments required, so individual units may need extra parts or modifications.
  • Quality control appears inconsistent across shipments which can lead to variable longevity or installation issues.

Verdict A full replacement turbo kit that restores function for 1.4L turbo engines and saves time sourcing parts, but inspect the shipment carefully for missing hardware.

Choosing the Right Buick LaCrosse Turbocharger: Key Factors to Consider

Fitment and Bolt Pattern

Correct fitment is the first requirement because even a high-performance turbo is unusable if it does not bolt up properly. Verify that flange geometry, exhaust outlet orientation, and actuator mounting points match the Buick LaCrosse manifold and charge piping layout.

Poor fitment increases installation time, may require custom adapters, and can introduce exhaust leaks or clearance issues. Choosing a unit engineered for the specific vehicle reduces the need for additional modifications and simplifies maintenance.

Compressor and Turbine Sizing

Compressor and turbine dimensions determine how the turbo delivers boost across the rev range. A smaller compressor wheel often spools quicker for better low-end response, while a larger wheel supports higher peak power but can delay spool.

Matching sizing to your driving goals avoids compromises such as excessive lag or running the engine outside efficient airflow ranges. For most users, a configuration that balances spool and top-end capacity provides the best real-world performance.

Bearing Type and Shaft Design

The bearing system and shaft geometry affect friction, spool behavior, and longevity. Journal bearings are common and robust, but ball bearing designs often reduce friction and improve spool and transient response.

Durability under boost, oil supply requirements, and sensitivity to lubrication conditions vary by bearing type. Consider your route cycles and oil maintenance habits when selecting a bearing configuration to ensure consistent service life.

Materials and Heat Resistance

Materials used in the turbine housing, center section, and compressor wheel influence how well a turbo withstands thermal stress and corrosion. High-temperature alloys and proper coatings can reduce long-term degradation from exhaust heat.

Better materials often translate to fewer failures and more stable performance under repeated high-load use. If you drive in hot climates or frequently tow or carry heavy loads, prioritize units with proven heat-resistant construction.

Serviceability and Repair Parts

Access to rebuild kits, replacement cartridges, and common spare parts affects total ownership cost and downtime. A turbo that can be serviced with standard kits extends usable life and reduces the need for full replacements.

Check whether the design allows for cartridge replacement without major disassembly and whether seal and thrust components are readily available. Serviceable designs are more practical for long-term ownership.

Actuator and Boost Control Compatibility

Actuator type, whether vacuum, electronic, or pneumatic, must interface properly with the vehicle's boost control strategy. Incorrect actuation can lead to overboosting, poor throttle feel, or limp modes.

Ensure the unit supports the required actuator geometry and duty characteristics. Compatibility with existing boost control hardware reduces tuning needs and helps maintain reliable engine management.

FAQ

What are common turbocharger symptoms on a Buick LaCrosse?

Common signs often include reduced boost pressure, unusual whining or grinding noises from the turbo area, and increased exhaust smoke. You may also notice sluggish acceleration or a loss of top-end power. These symptoms usually warrant inspection of the turbocharger, intercooler, and associated hoses for leaks, shaft play, or oil contamination.

Is it better to replace the entire turbocharger or rebuild it?

The choice depends on the condition and availability of parts. Rebuilding can be cost effective if the cartridge and housings are in good condition and rebuild kits are available. Full replacement may be preferable if the turbine housing is cracked or if rebuild parts are scarce. Consider long-term reliability, access to rebuild kits, and the labor involved when deciding.

How much does a turbocharger install typically affect vehicle downtime?

Install time depends on the level of disassembly required and whether any ancillary components need replacement. A straightforward unit swap that matches factory fitment can often be completed in a day in a well-equipped shop, while jobs requiring manifold or piping modifications will take longer. Plan for additional time if you suspect related issues such as oil contamination or damaged intercooler plumbing.

Can I fit a turbocharger upgrade without engine modifications?

Some upgrades are designed as direct-fit replacements and work with the stock engine management and fueling. However, larger or more aggressive turbochargers may require supporting modifications such as improved fueling, intercooling, or engine tuning to run safely. Evaluate the upgrade in terms of spool characteristics and the engine's ability to deliver adequate air and fuel.

What maintenance helps extend turbocharger life?

Regular oil changes with the correct specification oil, allowing the engine to idle briefly after hard driving to cool the turbo, and inspecting intake and oil lines for leaks all help. Clean air filters and secure piping reduce the risk of foreign object damage. Addressing minor issues early, such as slight oil leaks or boost hose cracks, prevents them from developing into major turbo failures.

How We Chose the Best Buick LaCrosse Turbocharger

We focused on options that offer correct fitment and reliable performance for the Buick LaCrosse platform. Key evaluation criteria included flange and bolt-pattern compatibility, compressor and turbine sizing appropriate for the engine, shaft and bearing design for longevity, and materials used in the turbine housing and compressor wheel for heat and wear resistance. We also considered availability of serviceable components such as cartridge and seal kits, and the reputation of the unit's manufacturing tolerances for consistent boost control. Units were excluded if they lacked clear fitment information for the Buick LaCrosse, showed widespread reports of premature bearing or seal failures, or required extensive manifold or intercooler modification to install. We prioritized options that minimize installation complexity, offer good access to repair parts, and match the engine's intended airflow and boost levels.

Our full evaluation process is outlined in our review methodology.

Conclusion

Prioritize fitment accuracy, materials quality, and a bearing design that matches your driving habits when choosing a Buick LaCrosse turbocharger. Balancing spool characteristics with peak capacity will determine whether the unit improves everyday response or focuses on higher-end power. Also weigh serviceability and parts availability alongside the performance benefits. Choosing a turbo that fits without extensive modification and offers accessible repair components reduces long-term cost and complexity.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.