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If your Kia Sportage feels sluggish at part throttle or has an unstable idle, replacing the throttle body can restore responsiveness and drivability. Choosing the right throttle body matters because fitment, airflow characteristics, and electronic compatibility directly affect engine performance and idle stability. This guide covers our shortlist of the top throttle bodies for Kia Sportage, explaining the evaluation criteria used to identify reliable options and what to check before installation. Read on for the factors that matter most and a clear starting point for your replacement decision.
Looking for other parts? See all Kia Sportage parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | AUTOREBO Throttle Body Assembly S20229 (Replacement for 35100-25400 / 35100-25200) | ![]() |
| Most Popular A crowd favorite that many people choose with confidence | X4XZ S20435 Electronic Throttle Body (replacement for 67-9009, 351002E000) | ![]() |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Electronic Throttle Body Assembly for Kia Optima/Magentis/Rondo (2.7L V6) | ![]() |
| Best Budget The cheapest option that still gets the job done reliably | WMPHE Electronic Throttle Body — Replacement for 35100-2G700 (Hyundai/Kia 2.4L) | ![]() |
| Most Sold A high-volume bestseller chosen again and again | Dorman 977-379 Electronic Throttle Body (OE Fix) | ![]() |
| Best Value for Money The sweet spot between price and what you get | PHILTOP Electronic Throttle Body (replacement for 35100-2E000) | ![]() |
| Best Overall The best all-around choice for most situations | A-Premium Electronic Throttle Body Assembly for Kia (1.6L) | ![]() |
1. AUTOREBO Throttle Body Assembly S20229 (Replacement for 35100-25400 / 35100-25200)
| Brand | AUTOREBO |
|---|---|
| Model | Throttle Body S20229 |
| Manufacturer Part Number | REBO-JQM-S20229 |
| OEM Part Number | 35100-25400 / 35100-25200 |
| Item Weight | 7 ounces |
This AUTOREBO throttle body is a direct-replacement electronic throttle body intended to restore proper throttle response and idle control on compatible 2.4L vehicles. It installs in place of the factory unit and is used to resolve rough idle, reduced acceleration, or throttle-related check engine lights. The unit is machined and lists multiple OEM-equivalent part numbers, which helps with fitment confidence for matching vehicles. Built with corrosion and heat-resistant reinforced materials, the part is engineered to meet factory-spec performance and to tolerate under-hood conditions. Buyers can expect a straightforward swap for a like-for-like replacement and improved drivability compared with a failing original throttle body. Important limitations are that compatibility must be confirmed against the vehicle year, engine, and part number, and aftermarket parts may vary slightly from factory components in connector orientation or calibration, potentially requiring throttle relearn or scanning after installation.
Best for: Reliability-focused DIYers or technicians who prioritize restoring factory-level drivability with a direct replacement part and want a durable unit that tolerates regular engine bay conditions.
Less Ideal for: Drivers looking for performance upgrades or tuning parts should consider purpose-built performance throttle bodies instead; this is intended as a factory-style replacement only.
- Lists multiple OEM-equivalent part numbers to simplify matching with the original unit
- Machined exterior and reinforced materials aimed at corrosion and heat resistance
- Designed as a direct replacement to restore throttle response and idle control
- May require throttle relearn or ECU scanning after installation for correct operation
- Compatibility depends on exact year/engine/part number match so verification is necessary
Verdict A practical, reliability-focused factory-style replacement throttle body for matching 2.4L vehicles when you need to restore proper throttle function.
2. X4XZ S20435 Electronic Throttle Body (replacement for 67-9009, 351002E000)
| Manufacturer Part Number | S20435 |
|---|---|
| OEM Part Number | 67-9009, 351002E000 |
| Compatible Engines | 1.8L and 2.0L applications (as listed) |
| Brand | X4XZ |
This S20435 electronic throttle body is a factory-replacement-style unit meant to replace failed throttle assemblies and resolve issues like rough idle, hesitation, and poor acceleration. It installs in place of the original throttle body and uses electronic control of the butterfly valve for precise air intake and improved throttle response compared with a sticking or carbon-fouled unit. The listing emphasizes matching electrical connectors and mounting points for a bolt-in fit and describes aluminum alloy construction and wear-resistant components for heat and corrosion resistance. For convenience-oriented buyers this part is intended to be a straightforward swap for a compatible vehicle and can be installed by a competent DIYer or a mechanic to quickly restore drivability. Some reviews report inconsistent quality and at least one return difficulty, so expect variation between units and be prepared to verify fit and operation right away; professional installation and post-installation diagnostics are advisable if check-engine lights persist.
Best for: Convenience-driven buyers who want a ready-to-install replacement to quickly restore normal throttle function with minimal downtime and DIY complexity.
Less Ideal for: Buyers seeking a factory-branded throttle body or those who need a guaranteed long-term warranty and professional OEM support should consider alternatives.
- Direct-replacement design that matches factory mounting points and electrical connector for easier installation
- Electronic butterfly valve provides precise throttle control and improved response over a sticking OEM unit
- Materials and construction described as aluminum alloy and wear-resistant components for durability
- Addresses common symptoms like rough idle, hesitation, and poor acceleration when the original throttle fails
- Some buyers report inconsistent quality and at least one nonreturnable purchase experience
- Not a branded OEM part so long-term reliability may vary between units
Verdict A practical, ready-to-install replacement that can quickly restore throttle function for compatible vehicles but may show variability in build quality compared with factory-branded parts.
3. A-Premium Electronic Throttle Body Assembly for Kia Optima/Magentis/Rondo (2.7L V6)
| Mounting Type | Flange Mount |
|---|---|
| Output Type | electronic |
| Terminal Count | 8 |
| Material Type | Aluminum |
| Throttle Position Sensor Included | Yes |
This electronic throttle body replaces a failed factory unit on compatible 2.7L Kia V6 models and restores driveability by controlling throttle opening via the car’s engine management. It installs at the intake flange in place of the original, connects to the vehicle wiring with the supplied 8-pin blade terminal and includes an integrated throttle position sensor. Made from aluminum with a finished bore, the unit is intended to improve throttle response and reduce hesitation or stalling when compared with a worn original. Installation may require relearn procedures and most buyers will need to supply a new gasket since one is not included. Build quality from this manufacturer is reported as new rather than remanufactured in several user accounts, but a minority of users noted noise or fit issues after installation. This part comes with a one-year unlimited-mileage parts guarantee limited to the cost of the unit and does not cover installation or related expenses.
Best for: Performance-oriented buyers who prioritize restoring crisp throttle response and drivability on a 2.7L Kia V6 will value this factory-style replacement for track-day tuning or spirited street driving.
Less Ideal for: Drivers looking for a complete overhaul kit with gaskets and additional actuators or those who prefer dealer-installed factory parts and full-service coverage should consider other options.
- Factory-style electronic control with integrated throttle position sensor for direct replacement
- Aluminum housing for corrosion resistance and consistent thermal behavior
- Eight-blade terminal connector matches vehicle wiring for plug-and-play electrical fit
- Reports from multiple buyers indicate improved throttle response and reduced idle stalling after installation
- Gasket or seal not included so buyers must purchase a gasket separately
- Idle air control motor is not included so works only with vehicles that use electronic throttle control without a separate IAC
Verdict A factory-style electronic replacement that restores throttle response for 2.7L Kia V6s, but you will need to supply a gasket and follow relearn procedures.
4. WMPHE Electronic Throttle Body — Replacement for 35100-2G700 (Hyundai/Kia 2.4L)
| Compatible engines | L4 2.4L |
|---|---|
| Fitment years | 2014-2015 (Kia Sportage) |
| Manufacturer part number | BETB380919 |
| OEM part references | 351002G700, 35100-2G700, 67-9012 |
This WMPHE electronic throttle body replaces the factory unit used on 2.4L Hyundai/Kia engines and is intended as a budget-friendly fix for throttle-related drivability problems. It installs in place of the original throttle body and communicates throttle position to the engine control system via the built-in sensor. In normal use it restores idle stability, resolves hesitation and limp-start symptoms, and helps return throttle response to factory-like behavior when the original unit shows fault codes or electronic throttle warnings. The unit is cast aluminum for corrosion and heat resistance and the seller advises cleaning the intake plumbing before installation to avoid sticking. Because this is an aftermarket replacement, professional installation is recommended and buyers should confirm the OEM part number match before ordering. Expect a cost-effective repair option that addresses common electronic throttle failures but may require calibration or adaptation by a shop to fully clear faults and restore all driveability features.
Best for: Budget-conscious owners seeking an affordable, straightforward repair for throttle problems on a 2.4L Kia Sportage who prioritize restoring driveability over buying an OEM part.
Less Ideal for: Owners who want guaranteed factory-fit, long-term OEM backing or who prefer to avoid any potential need for shop calibration should consider a factory-quality replacement instead.
- Direct replacement for specified 2.4L Hyundai/Kia OEM part numbers to address throttle-related fault codes
- Cast aluminum construction improves resistance to heat and corrosion compared with cheaper plastics
- Integrated throttle position sensing for immediate feedback to the engine control system
- Compatible fitment list covers Kia Sportage 2.4L 2014–2015 supporting targeted repairs
- May require professional installation and throttle adaptation to clear error codes and ensure correct idle behavior
- Aftermarket unit may not match factory-fit tolerances exactly which can affect long-term calibration
Verdict A cost-effective aftermarket throttle body to restore throttle control on 2.4L Kia Sportage models when you need an affordable repair rather than a factory unit.
5. Dorman 977-379 Electronic Throttle Body (OE Fix)
| Model | Dorman 977-379 |
|---|---|
| Manufacturer | Dorman Products |
| Vehicle compatibility note | Fits select Hyundai and Kia models; verify trim fitment |
This Dorman OE FIX throttle body replaces the factory unit with a 100% new assembly designed to reduce common failure modes from worn position sensors and oil intrusion. It installs like a direct replacement for compatible vehicles and uses a non-contact Hall effect sensor plus Dorman's Sensor Shield shaft seal to protect electronics from engine blow-by and contaminants. The part is dyno and durability tested, with over one million cycle tests to simulate long-term use, and Dorman reports vehicle try-on validation. In practice this should restore throttle response and idle control without the uncertainties of a remanufactured part. The main limitations are fitment specificity and the need to verify exact trim fit in a garage tool before purchase, and like any replacement throttle body it may require sensor re-initialization procedures on some vehicles. For risk-averse buyers who want a new, tested replacement built to address known failure points, this is a practical factory-quality substitute.
Best for: Practical, risk-averse buyers who prioritize a factory-quality, newly manufactured replacement and want a solution designed to prevent common throttle body failures.
Less Ideal for: Shoppers looking for a universal aftermarket upgrade or those unwilling to confirm trim-specific fitment and perform any required post-install setup should consider other options.
- 100% new construction rather than remanufactured for predictable life expectancy
- Non-contact Hall effect position sensor reduces wear on the sensing element
- Integrated Sensor Shield shaft seal limits oil and contaminant intrusion into electronics
- Durability validated with over one million cycle tests and vehicle try-on
- Fitment must be confirmed for specific trims and model years before installation
- May require throttle relearn or ECU reset procedures after installation
Verdict A new, durability-tested replacement throttle body aimed at buyers who want a factory-quality fix for known position-sensor and contamination failures.
6. PHILTOP Electronic Throttle Body (replacement for 35100-2E000)
| Manufacturer Part Number | 5056TAY055LUS |
|---|---|
| OEM Part Number | S20435, 351002E000, 977379, ETBB10122, RTB1082, 6E9009, SKTB0001, 1540172, ETB0094, TB1165, 679009, ETB772, B6DC18861 |
| Compatible Models | Hyundai/Kia 1.8L and 2.0L applications (listed fitment series) |
This PHILTOP electronic throttle body is a replacement throttle control unit intended to restore proper air control and pedal response on compatible vehicles. It mounts in place of the factory throttle body and is used to correct idle problems, eliminate engine warning lights related to the throttle assembly, and recover lost acceleration. Notable features include a machined aluminum housing and compatibility with a number of factory part numbers, which makes it a practical repair option. In real-world use it typically installs without heavy modification and can be helpful after the original unit fails or when sensors begin producing faults. Some buyers report straightforward plug-and-play installation and improved throttle response, while others experienced fitment or idle issues on non-matching vehicles, so careful vehicle-match verification and a throttle relearn procedure after installation are recommended. This unit is a budget-minded alternative to a factory replacement but may require replacing the gasket and following proper relearn steps to avoid drivability problems.
Best for: Practical optimizers who want a cost-effective, functional replacement to bring a factory throttle system back to working order without paying OEM prices.
Less Ideal for: Buyers seeking a guaranteed factory-identical unit or a plug-and-play swap for vehicles not listed in the compatibility notes should consider buying from an authorized dealer or a confirmed fitment part instead.
- Direct replacement for common factory part numbers covering many Hyundai/Kia 2.0L and 1.8L applications
- Machined aluminum construction aimed at durability compared with cheaper plastic units
- Reported to resolve idle faults and throttle-related check engine lights in many installs
- Relatively easy to install for a competent DIYer or technician
- Does not include a new intake gasket so an additional seal may be needed at installation
- Some users reported vehicle-specific compatibility problems and irregular idle behavior on non-matching models
- Requires throttle relearn or ECU reset after install to ensure correct idle and throttle mapping
Verdict A budget-friendly, machined-metal replacement throttle body that restores throttle control for compatible Hyundai/Kia engines but needs proper matching and a relearn to avoid drivability issues.
7. A-Premium Electronic Throttle Body Assembly for Kia (1.6L)
| Mounting Type | Flange Mount |
|---|---|
| Output Type | Electrical signal |
| Terminal Count | 6 |
| Material Type | Aluminum |
This A-Premium electronic throttle body is a direct-replacement style unit that replaces the factory throttle assembly on compatible 1.6L naturally aspirated engines. It mounts using a flange and provides an electrical signal output with an integrated throttle position sensor, so the vehicle computer can accurately control idle, throttle response, and cruise functions. In real-world use it installs like a factory part and is intended to restore smooth throttle operation after a worn or faulty original unit. The aluminum housing and included six-pin terminal match common OEM layouts, and several buyers report straightforward installation and regained drivability. Limitations to note are that fitment is specific to the 1.6L naturally aspirated models only and it will not fit other displacements or turbo variants, and there is some variability in vehicle ECU recognition so calibration or clearing codes may be necessary after installation. The unit ships as a single throttle body and comes with a one-year parts guarantee from the maker.
Best for: Balanced buyers who want a practical, factory-style replacement to restore throttle response and drivability without upsizing to performance parts.
Less Ideal for: Drivers looking to upgrade for higher performance, forced-induction setups, or those who need a part compatible with non-1.6L engines should look elsewhere.
- Integrated throttle position sensor and six-pin electrical connector for direct replacement wiring
- Aluminum housing provides durability and a factory-like fit
- Flange mount design mirrors factory mounting for straightforward installation
- Restores throttle control and idle stability when replacing a failing unit
- Only fits 1.6L naturally aspirated engine applications and is not compatible with other displacements
- Some vehicles may require ECU adaptation or code clearing after installation
Verdict A practical, factory-style 1.6L throttle body replacement that restores drivability for balanced buyers but is limited to naturally aspirated 1.6L applications.
Choosing the Right Kia Sportage Throttle Body: Key Factors to Consider
Fitment and Physical Compatibility
Physical fitment is the first consideration because the throttle body must mount to the intake manifold and mate with existing gaskets and bolt patterns. Mismatched flange geometry or incorrect shaft orientation can lead to air leaks or require machining, which adds complexity and cost.
Check the electrical connector type and sensor locations as well. Even if a throttle body bolts up, differences in sensor placement or plug shape can necessitate splicing or adapter pigtails that may introduce failure points. Ensuring a direct bolt-on fit reduces installation time and preserves factory sealing surfaces.
Electronic Control and Sensor Compatibility
Most modern throttle bodies rely on electronic throttle control and integrated position sensors. Compatibility with the vehicle's throttle position sensor (TPS) and throttle actuator control helps maintain accurate pedal-to-throttle mapping and avoids fault codes. If the sensor outputs differ from the ECU expectations, the vehicle may enter limp-home mode or show check-engine warnings.
Confirm whether the replacement uses the same type of position sensing (potentiometer versus hall-effect) and whether the actuator requires any calibration. Proper electronic matching minimizes the need for ECU relearns and reduces the chance of drivability issues after installation.
Airflow Characteristics and Plate Geometry
Airflow capacity and how the throttle plate opens affect torque response and engine idle. A unit with too restrictive a bore can reduce power, while an oversized or poorly profiled plate can make throttle modulation abrupt. Look for manufacturers that provide airflow specs or bore diameters that align with the engine's intake requirements.
Plate geometry and the smoothness of the internal bore also influence low-speed drivability. A well-finished bore reduces turbulence and helps the engine maintain a stable idle at low throttle openings, improving both responsiveness and emissions performance.
Idle Stability and Calibration Requirements
Idle behavior depends on both the mechanical precision of the throttle plate and how the ECU interprets position signals. Replacements that require minimal adaptation typically result in quicker idle stabilization after installation. Some units may need a formal throttle body relearn or idle adaptation procedure to align the closed-throttle position with the ECU's baseline.
Consider how easy the relearn process is and whether common diagnostic tools or a simple key-cycle procedure suffice. Predictable idle stability reduces drivability headaches and helps avoid repeated adjustments.
Materials, Durability, and Corrosion Resistance
Throttle bodies operate in a harsh under-hood environment where temperature swings and contaminants are common. Materials such as anodized aluminum or corrosion-resistant coatings extend service life and reduce the chance of throttle shaft seize or bore pitting. Plastics used in housings or actuator components should be automotive-grade to resist heat and chemical exposure.
Inspect sealing surfaces and shafts for robust construction. Durable components lower the likelihood of future failures and simplify maintenance if rebuilds or repairs become necessary.
Serviceability and Parts Availability
Consider whether replacement sensors, shafts, gaskets, or actuators are readily available. A throttle body that can be serviced with common parts or a rebuild kit extends the practical lifespan of the component. Accessibility of spare parts also influences long-term ownership costs and downtime.
Evaluate how straightforward routine tasks are, such as cleaning the bore or replacing a throttle position sensor. Serviceable designs reduce the need to replace the entire unit for minor issues.
FAQ
What are common symptoms of a failing throttle body on a Kia Sportage?
Common signs include rough or fluctuating idle, delayed throttle response, and intermittent stalling at low speed. You might also see a check-engine light that corresponds to throttle position or idle control codes. Symptoms often appear gradually and may worsen under load or during cold starts.
Can I clean the throttle body instead of replacing it?
Cleaning can resolve issues caused by carbon buildup on the throttle plate and bore, which often restores smoother idle and response. However, if the problem stems from a failing actuator, worn shaft, or faulty position sensor, cleaning will not fix the underlying fault and replacement may be necessary. Always inspect mechanical and electrical components before deciding.
Will a replacement throttle body require calibration or an ECU relearn?
Many replacement installations benefit from a throttle relearn or idle adaptation so the ECU recognizes the closed-throttle position. The procedure varies by model and can often be done with a simple key-cycle or by following a short relearn routine with diagnostic equipment. In some cases, the vehicle will self-adapt after a period of varied driving.
How do I know if the throttle position sensor is the issue?
Fault codes tied to throttle position or inconsistent voltage readings across the sensor range are common indicators. Symptoms can include erratic throttle behavior or hesitation that does not improve with cleaning. Testing the sensor output with a multimeter while slowly moving the throttle plate helps determine whether the sensor produces a smooth, linear signal.
Is it worth buying a throttle body rebuild kit?
A rebuild kit can be worthwhile if the housing and actuator are in good condition and only wear items like seals, shafts, or bearings need replacement. Kits help restore function while using the original unit, which can be cost effective and maintain factory fitment. Consider availability of the correct kit and your comfort level with the mechanical work required.
How We Chose the Best Kia Sportage Throttle Body
We focused on throttle bodies that match the Kia Sportage mechanical and electrical interfaces so fitment does not require extensive modification. Key criteria included precise throttle plate alignment, actuator and sensor compatibility, and consistent airflow curves relevant to the Sportage engine. We also prioritized units with durable housings and corrosion-resistant components that withstand under-hood exposure. Additional filters covered wiring and plug compatibility, ease of installation, and availability of quality replacement parts for serviceability. We excluded any throttle bodies that required major intake manifold alteration, custom wiring harnesses, or nonstandard ECU reprogramming. Final selections were based on how well each unit balanced correct fitment, stable idle control, and predictable throttle response for the Kia Sportage platform.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a throttle body for a Kia Sportage, prioritize correct fitment and electronic compatibility so the unit integrates cleanly with the intake and the vehicle control systems. Balance airflow characteristics with plate geometry to preserve smooth throttle modulation and stable idle. Also weigh durability and serviceability, since corrosion-resistant materials and readily available repair parts reduce the likelihood of repeat work. Focus on these tradeoffs to pick a replacement that restores dependable throttle response and long-term reliability.
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