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If your Buick Regal feels sluggish, has uneven idle, or shows throttle-related warning lights, the throttle body can be a common cause. Choosing the right throttle body matters because fitment, airflow capacity, and sensor compatibility directly affect drivability and engine management. This guide shortlists the top options for the Buick Regal, focusing on components that meet OE fitment and airflow needs. Below you will find our top picks and a clear explanation of the criteria we used to evaluate each option, so you can pick the part that best restores smooth throttle response and idle control.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Magorfas Electronic Throttle Body — Replacement for Buick Regal 2.4L |  |
| Most Popular A crowd favorite that many people choose with confidence | IRONTREE S20015 Electronic Throttle Body for Buick Regal and Compatible GM 2.4L Engines |  |
| Best Quality Built to a higher standard if you want something more solid | AUQDD Electronic Throttle Body Assembly (Replacement for 2.0L Turbo) |  |
| Best Budget The cheapest option that still gets the job done reliably | GZGN Electronic Throttle Body Compatible with Buick Regal (2.4L) |  |
| Most Sold A high-volume bestseller chosen again and again | Bosch F00H600080 Throttle Body (Factory-Quality Replacement) |  |
| Best Value for Money The sweet spot between price and what you get | Youxmoto Electronic Throttle Body YXTBY010YX (replacement for 12670834) |  |
| Best Overall The best all-around choice for most situations | A-Premium Electronic Throttle Body with Throttle Position Sensor for 2.4L Buick Regal |  |
1. Magorfas Electronic Throttle Body — Replacement for Buick Regal 2.4L
| Fitment | Buick Regal 2.4L (2012–2017) |
|---|---|
| Connector | 6-pin |
| Inner diameter | 65 mm |
| Outer diameter | 73.18 mm |
This Magorfas electronic throttle body replaces the factory unit on Buick Regal 2.4L models and restores electronic throttle control by managing intake flow with a motor-driven butterfly valve. Installation is typical for throttle-body swaps: unbolt the old unit, transfer any sensors or gaskets as needed, plug in the 6-pin connector, and perform the required throttle initialization procedure. The part is aluminum-bodied for heat and corrosion resistance and is marketed as a one-to-one replacement for part number 12670834. For a reliability-minded owner the key benefits are the straightforward fitment to Regal 2.4L engines and durable construction that resists high-temperature conditions. Important limitations are the need to follow the stated initialization routine and to verify throttle position and related sensors after installation; some buyers reported occasional calibration or sensor-read discrepancies that may require additional diagnostics. This unit is best used as a budget-conscious factory-quality replacement when a worn or failed throttle body is the confirmed cause of driveability issues.
Best for: A reliability-focused buyer who prioritizes restoring factory throttle function on a Buick Regal 2.4L without paying dealer prices and who values straightforward, serviceable parts.
Less Ideal for: Drivers seeking a factory-refurbished dealer part with guaranteed OEM origin or those unwilling to perform post-installation initialization and basic diagnostics should consider alternatives.
- Made for direct replacement on 2.4L Buick Regal to restore electronic throttle control
- Aluminum construction offers high temperature and corrosion resistance
- 6-pin electrical connector matches factory harness for plug-and-play installation
- Compatible with factory initialization routine to allow ECU relearn
- Some users reported throttle position readings that required further sensor checks or calibration
- Not a vehicle-specific remanufactured OEM unit so longevity can vary compared with dealer parts
Verdict A practical, aluminum-bodied replacement throttle body that restores factory-style control on Buick Regal 2.4L models at a lower cost than dealer parts.
2. IRONTREE S20015 Electronic Throttle Body for Buick Regal and Compatible GM 2.4L Engines
| Brand | IRONTREE |
|---|---|
| Material | Metal And Plastic |
| Output Type | Digital |
| Item model number | S20015 |
This IRONTREE S20015 throttle body is a plug-and-play replacement designed to match factory-style function for 2.4L GM applications used in the Buick Regal. It arrives pre-assembled with the actuator motor, throttle position sensor and idle control components, so installation is typically a matter of swapping the old unit and reconnecting the wiring harness. The manufacturer says components are built to meet or exceed factory specifications and each unit is computer-tested before shipping, which helps reduce bench-testing time during installation. In practice this part can fix rough idle, stalling at startup and reduced engine power when the original throttle body has failed. Some owners report long-term reliability while others have experienced drivability issues after months of use, so performance can vary between vehicles. There is a three-year warranty and the unit is offered at a lower cost than many dealer parts, but buyers should be prepared to replace the gasket and follow proper throttle body relearn procedures after fitting to avoid idle and hesitation problems.
Best for: Convenience-driven buyers who want a ready-to-install, lower-cost factory-style replacement for a Buick Regal 2.4L to quickly get back on the road with minimal teardown and wiring work.
Less Ideal for: Buyers who prioritize guaranteed long-term OEM performance or who do not want to perform throttle relearn procedures should consider dealer or factory-quality replacements instead.
- Pre-assembled actuator, TPS and idle control for straightforward swap-in installation
- Designed and tested to meet factory-style specifications for consistent airflow control
- Direct plug-in electrical connector reduces the need for adapters or wiring changes
- Lower-cost alternative to dealer throttle bodies with a stated three-year warranty
- Mixed long-term reliability reported by users, so lifespan may vary
- Some vehicles may require throttle relearn and a new gasket for proper idle and drivability
Verdict A budget-friendly, plug-and-play replacement that can restore throttle function on a Buick Regal 2.4L but may show variable long-term reliability.
3. AUQDD Electronic Throttle Body Assembly (Replacement for 2.0L Turbo)
| Manufacturer | AUQDD |
|---|---|
| Model | Replacement Fuel Throttle Bodies |
| Connector | 6 Pin Male |
| Item model number | 67-3051 |
This AUQDD throttle body is a fully assembled electronic unit that replaces the factory throttle for 2.0L turbo engines. It arrives with the throttle actuator, idle air control and throttle position sensor pre-installed, so installation is a straightforward swap for vehicles listed as compatible. The unit uses a micro control chip and upgraded sensors intended to restore precise throttle response, improve acceleration feel and reduce idle instability once the ECU relearns the new part. Practical benefits include an OEM-style connector and complete assembly that avoids sourcing separate sensors, plus the seller notes testing to factory-quality standards. Expect to perform an ECU relearn or manual matching after fitment because the replacement will often trigger high or unstable idle until adaptation is completed. The part covers several Buick Regal model years with the LTG 2.0L turbo, but fitment must be confirmed against VIN and year before ordering. This is a sensible performance-focused replacement for restoring throttle control, though installation and relearn steps add minor extra work for the owner or installer.
Best for: Performance-oriented buyers seeking a high-quality replacement that restores throttle responsiveness and acceleration feel on 2.0L turbo Buick Regal cars and who are comfortable performing or paying for a proper ECU relearn.
Less Ideal for: Buyers wanting a simple plug-and-play upgrade without any post-installation programming or those with non‑turbo Regal engines should look for a different part.
- Complete assembly includes throttle actuator, idle air control and throttle position sensor pre-installed
- Designed for direct replacement on LTG 2.0L turbo engines when correct fitment is confirmed
- Micro control chip and upgraded sensors aim to restore precise throttle response and improve acceleration
- Manufactured and tested to meet factory-quality standards
- Requires ECU relearn or manual matching after installation to correct idle and sensor parameters
- Fitment is specific to 2.0L turbo variants and must be checked against VIN and model year
Verdict A factory-quality, fully assembled throttle body aimed at restoring precise throttle control on LTG 2.0L turbo Buick Regal cars, but plan for ECU relearn after installation.
4. GZGN Electronic Throttle Body Compatible with Buick Regal (2.4L)
| Compatible engines | 2.4L L4 (specific Buick Regal fitment) |
|---|---|
| Material | Aluminum |
| Manufacturer part number | GMCJQMA0009 |
| ASIN | B0DGL5D2ST |
This GZGN electronic throttle body replaces a failing throttle assembly on 2.4L Buick Regal models and restores electronic throttle control when the factory unit is worn or faulty. It installs in the factory location and is used the same way as the original part: bolt it in, reconnect the harness, and follow the vehicle relearn procedure so the engine control module adapts to the new unit. The part is aluminum-bodied for corrosion and heat resistance and users report straightforward fit and improved idle and throttle response after installation. Practical benefits include return-to-normal drivability, potential improvement in fuel economy versus a sticking unit, and lower cost compared with dealer replacements. Limitations to expect are occasional quality variability reported by some owners and a shorter-lived experience for a few customers compared with higher-cost factory-quality remanufactured options. You may also need to perform or confirm the ECU relearn and clear codes with a scan tool after fitting.
Best for: Budget-conscious owners who prioritize low-cost, functional repairs and are comfortable performing or arranging a straightforward replacement and relearn procedure for a Buick Regal.
Less Ideal for: Buyers seeking longest-term durability or who prefer factory remanufactured parts with extended track records should consider dealer or premium aftermarket options instead.
- Direct-fit replacement for compatible 2.4L Buick Regal applications so installation follows the factory mounting and harness layout
- Aluminum construction offers better heat and corrosion resistance than cheaper plastics
- Many buyers report straightforward installation and restored throttle response and idle behavior
- Lower price than dealer or premium remanufactured throttle bodies, making it easier to repair on a budget
- Some buyers report unit failures after months of use, suggesting variable longevity compared with higher-end replacements
- May require ECU relearn or a scan-tool reset after installation which adds a small extra step for DIYers
Verdict A cost-effective direct-replacement throttle body that restores driveability on compatible Buick Regal 2.4L models but may show variable longevity compared with premium replacements.
5. Bosch F00H600080 Throttle Body (Factory-Quality Replacement)
| Operation Mode | Plug |
|---|---|
| Contact Type | Normally Closed |
| Connector Type | Plug In |
| Mounting Type | Plug-In Mount |
| Actuator Type | Plunger |
This Bosch throttle body replaces the factory unit to restore throttle control and idle stability on compatible vehicles. Installed in place of a failing throttle body, it provides the same fit, mounting points, and electrical connector as the original so installation is straightforward for a professional or experienced DIYer. Key features include factory production-line manufacturing, plug-and-play compatibility with no required ECU flash, and a plunger-style actuator with quick-connect terminal for a secure electrical connection. In practice this means you can expect predictable throttle response after swap and a high probability of resolving driveability issues tied to a faulty throttle body. Limitations to note are that the gasket is not included and fitment must be verified for your specific vehicle year and engine variant; this unit is intended as a direct replacement rather than an upgrade for performance tuning. If you need a throttle body that guarantees exact factory fit and requires minimal calibration, this Bosch unit does that job reliably.
Best for: A risk-averse mainstream buyer seeking a reliable, factory-quality replacement that restores stock driveability with minimal fuss and technical follow-up.
Less Ideal for: Not suitable for buyers looking for performance enhancements or aftermarket tuning parts, or for those who need a complete installation kit including gaskets and fasteners.
- Manufactured on OE production lines for factory-quality fit and function.
- Plug-and-play design that does not require an ECU flash after installation.
- Direct electrical quick-connect and matching mounting for straightforward replacement.
- Plunger actuator and normally closed contact provide consistent throttle control behavior.
- Gasket and sealing hardware are not included with the throttle body.
- Fitment is specific so you must confirm compatibility with your Buick Regal year and engine before ordering.
Verdict A plug-and-play, factory-quality Bosch replacement that restores original throttle behavior for compatible Buick Regal models without requiring ECU updates.
6. Youxmoto Electronic Throttle Body YXTBY010YX (replacement for 12670834)
| Replacement part numbers | 12670834, 12632101, 12669146 |
|---|---|
| Compatible engines | 2.4L |
| Compatible model years | 2012-2017 |
This Youxmoto electronic throttle body is a factory-replacement style unit intended to replace failed throttle bodies on 2.4L Buick and related GM models from the 2012–2017 window. It mounts in place of the original part number 12670834 and restores the intake air control that the engine computer uses to manage idle and throttle response. Installation is typical for throttle-body swaps: unbolt the old unit, transfer any sensors or gaskets as needed, connect the electrical plug, and follow the manufacturer self-learning procedure to let the throttle adapt. The listing highlights an aluminum construction for corrosion resistance and a built-in self-learning routine to help the vehicle relearn idle characteristics after installation. Buyers report many straightforward fit-and-forget replacements, though one report suggests a failed repair when the root issue was elsewhere. This is a budget-focused replacement that can return driveability quickly, but expect basic aftermarket fitment and follow-up checks to confirm the repair solved the underlying fault codes rather than other engine problems.
Best for: Practical optimizers looking for a low-cost, functional replacement to get a 2.4L Buick Regal back on the road without paying dealer prices; ideal for owners who prioritize value and are comfortable arranging a simple install or mechanic.
Less Ideal for: Buyers seeking a guaranteed factory-level remanufactured unit or those who prefer dealer-sourced parts and full OEM warranties should consider dealer alternatives instead.
- Direct-replacement for part number 12670834 compatible with specified 2.4L Buick/GM models
- Aluminum construction resists corrosion and aims to extend service life compared with low-grade alternatives
- Includes throttle self-learning procedure to help the vehicle relearn idle and throttle position after installation
- Multiple customer reports of straightforward fit and restored engine response
- Aftermarket unit so fitment and sensor calibration may require attention during installation
- Does not include vehicle-specific gaskets or transfer hardware in the listing details
Verdict A budget-focused, aluminum aftermarket throttle body that restores throttle control for 2.4L Buick Regal models at a fraction of dealer cost, provided fitment and calibration are verified.
7. A-Premium Electronic Throttle Body with Throttle Position Sensor for 2.4L Buick Regal
| Material | Aluminum |
|---|---|
| Maximum Supply Voltage | 5 Volts |
| Terminal Quantity | 6 |
| Upper Temperature Rating | 205 Degrees Celsius |
This A-Premium electronic throttle body replaces the factory unit on 2.4L Buick Regal applications and includes a built-in throttle position sensor for a direct electrical replacement. It is typically used when the original throttle body fails, causing check-engine lights, rough idle, or throttle response issues; installation is straightforward for a competent DIYer or mechanic and many reports show quick, bolt-on fitment. The aluminum housing and manufacturer-stated measurement accuracy aimed at factory-quality performance help restore smooth idle and throttle control, while the internal output and six-terminal connector match the vehicle harness for plug-and-play electrical hookup. Some owners report the unit needs a relearn procedure with a scanner or a short run-in period for idle to settle, and a few buyers noted missing bolt seals may require reuse of originals or buying replacements. Expect a budget-friendly aftermarket option that restores function but may not match every factory part nuance across all model years or production variations.
Best for: A balanced all-round buyer who wants a reliable, cost-conscious factory-replacement for a 2.4L Buick Regal and values straightforward installation and restored drivability.
Less Ideal for: Drivers seeking OEM-branded parts for guaranteed exact match across every model year or those unwilling to perform a relearn procedure should consider factory-brand alternatives.
- Integrated throttle position sensor for one-piece replacement and fewer wiring adjustments
- Aluminum housing for corrosion resistance and durable mounting
- Six-terminal connector designed to match factory harness for straightforward installation
- Many users report fast, correct fitment on 2.4L Buick Regal applications
- May require a throttle relearn with a scan tool or a short idle stabilization period after install
- Bolt seals are not always included, so additional hardware may be needed
Verdict A cost-effective, plug-in replacement throttle body for 2.4L Buick Regal owners that restores drivability but may need a relearn and extra mounting seals.
Choosing the Right Buick Regal Throttle Body: Key Factors to Consider
Fitment and Mounting
Correct fitment is essential because the throttle body must align precisely with the intake manifold and mating gaskets. Improper mounting can cause air leaks, vacuum issues, or interference with linkage and sensors. Ensuring the bolt pattern, flange dimensions, and throttle shaft location match the Buick Regal s intake eliminates the need for modification and reduces installation time. Fitment also affects sensor placement, so confirm connector orientation and harness reach to avoid electrical strain. A part that fits like the original helps maintain engine calibration and reduces the chance of check-engine lights. When buying, verify the application notes and any vehicle-specific part numbers to prevent compatibility problems.
Airflow Capacity and Throttle Plate Design
Airflow capacity determines how much air the engine can draw at wide-open throttle and affects throttle response at partial openings. The throttle plate profile and bore size influence flow characteristics and how smoothly the engine transitions from idle to higher loads. A design that promotes even airflow across the bore helps maintain consistent idle and reduces hesitation. Consider the balance between slightly increased flow for performance and maintaining correct low-speed control for daily driving. For the Buick Regal, choose a throttle body that preserves expected airflow curves to avoid upsetting fuel delivery and engine management tuning.
Sensor Compatibility and Electronics
Modern throttle bodies often include position sensors and electronic actuators that communicate with the engine control module. Compatibility with the vehicle s existing throttle position sensor or drive-by-wire system is vital to prevent fault codes or limp modes. Look for identical connector types, sensor ranges, and actuator control specifications to ensure seamless integration. If a part requires transferring sensors from the old unit, assess whether the sensors are reusable or need replacement. Proper sensor function affects idle control, throttle mapping, and diagnostic accuracy, so mismatch can lead to driveability concerns.
Idle Control and Low-Load Behavior
Idle stability is a frequent reason owners replace throttle bodies, as dirt, wear, or design differences can cause idle surge or rough idling. The throttle body should support steady low-volume airflow and allow the idle control system to finely adjust base airflow. Features like clean bore surfaces and precise shaft tolerances help prevent sticking and minimize recirculated air that can upset idle. Consider how the design accommodates throttle body cleaning and maintenance to prolong smooth idle behavior. Ensuring good low-load behavior reduces stalling risk and improves everyday drivability.
Serviceability and Maintenance
Routine maintenance such as throttle body cleaning can restore performance and delay replacement, so choose a design that is accessible and tolerates standard cleaning methods. Parts that allow sensor transfer or provide clear access to the throttle plate make future service easier. Materials and finishes that resist carbon buildup and corrosion reduce the frequency of maintenance. Also consider whether replacement gaskets and seals are available and if the unit uses replaceable sensors or integrated assemblies. Good serviceability lowers long-term ownership costs and keeps the Buick Regal running reliably between major services.
Durability and Materials
Durable components resist wear from heat cycles, vibration, and exposure to combustion byproducts. Materials such as high-quality alloys and corrosion-resistant coatings help maintain smooth throttle shaft operation and sealing surfaces. Robust bearings and shafts reduce the chance of wobble or sticking that can lead to erratic throttle behavior. Assess construction quality to ensure long service life and consistent performance. Choosing a throttle body built with durable materials limits the likelihood of premature failure and keeps throttle response predictable over time.
FAQ
What are common symptoms of a failing throttle body on a Buick Regal?
Common signs include rough or fluctuating idle, hesitation during acceleration, and engine warning lights related to throttle position. You may also notice reduced throttle responsiveness or intermittent stalling at low speeds. These symptoms often prompt inspection or cleaning before considering a replacement.
Can I clean the throttle body instead of replacing it?
Cleaning often helps when carbon buildup or grime is causing sticking or poor idle, and it can restore normal operation in many cases. Cleaning is a practical first step, but if sensors or the actuator are faulty, cleaning will not resolve electrical or mechanical failures. Assess symptoms after cleaning to decide if replacement is necessary.
Does replacing the throttle body require reprogramming the engine control module?
Some vehicles require a simple throttle relearn procedure so the control module can calibrate the new component s position. This relearn is usually performed via a sequence of ignition cycles or during a short drive cycle and does not always need specialized tools. Follow vehicle-specific service guidance to ensure proper calibration.
How do I know if the throttle position sensor is causing issues?
If the throttle position sensor is failing, you might see inconsistent throttle readings, poor idle, or diagnostic trouble codes indicating position discrepancies. Testing the sensor with a multimeter or scanning live data can reveal erratic values. Repair may involve sensor replacement or swapping to a known-good unit to verify behavior.
Is it safe to drive with a malfunctioning throttle body?
Driving short distances may be possible, but a malfunctioning throttle body can cause unpredictable throttle response, stalling, or reduced engine performance that could create unsafe situations. It is usually best to address the issue promptly, especially if warning lights or severe driveability problems are present.
What should I check before installing a replacement throttle body?
Confirm correct fitment, electrical connector compatibility, and that the mounting surfaces and gaskets are clean and undamaged. Inspect sensors and actuators for damage and transfer any required components. Also verify any recommended relearn procedure so the engine control module can adapt to the new component.
How We Chose the Best Buick Regal Throttle Body
We prioritized parts that match the Buick Regal s original fit specifications and maintain proper throttle-plate alignment to ensure reliable installation and operation. We evaluated airflow capacity and opening characteristics because these determine throttle response and how the engine breathes under load. Electrical and sensor compatibility was assessed to reduce the risk of fault codes or driveability issues after installation. Durability and materials were considered, focusing on components resistant to corrosion and wear that can affect long-term performance. Ease of installation and whether the part supports standard service procedures like cleaning or sensor transfer were also weighed. Exclusions: we excluded options with unclear fitment information, parts lacking necessary electrical connectors, and components intended for racing or modified engines that do not match stock engine management expectations.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a throttle body for a Buick Regal, prioritize correct fitment, sensor compatibility, and airflow characteristics that preserve smooth idle and predictable throttle response. Balance durability and serviceability to reduce future maintenance and ensure consistent performance. Focus on parts that match the vehicle s mounting and electrical interfaces, and consider cleaning or sensor inspection before replacing the unit. That approach helps you address the root cause while minimizing unnecessary work.
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