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Choosing the right throttle body for your Kia Soul can have a big impact on drivability, fuel efficiency, and throttle responsiveness. A correctly matched unit helps maintain a steady idle, smooth acceleration, and consistent engine response under varying loads. This guide covers seven shortlisted throttle bodies chosen for their fitment accuracy and airflow characteristics. We evaluated each option against common real-world concerns like idle stability and compatibility with the Kia Soul. Read on to see which options meet the practical requirements for this vehicle and why those criteria matter.
Looking for other parts? See all Kia Soul parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | AUTOREBO Throttle Body Assembly S20435 (Replace# 35100-2E000) |  |
| Most Popular A crowd favorite that many people choose with confidence | PHILTOP S20435 Electronic Throttle Body |  |
| Best Quality Built to a higher standard if you want something more solid | Cardone Remanufactured Electronic Throttle Body (67-1021) |  |
| Best Budget The cheapest option that still gets the job done reliably | MOTOKU Throttle Body Assembly, replacement for Kia Soul 2012–2019 |  |
| Most Sold A high-volume bestseller chosen again and again | Astemo ETB0094 Electronic Throttle Body |  |
| Best Value for Money The sweet spot between price and what you get | KAX Electronic Throttle Body for Kia Soul 1.6L (2012–2019) |  |
| Best Overall The best all-around choice for most situations | TALYNX 92mm Throttle Body Assembly with TPS and IAC (4-bolt) |  |
1. AUTOREBO Throttle Body Assembly S20435 (Replace# 35100-2E000)
| Manufacturer Part Number | REBO-JQM-S20435 |
|---|---|
| OEM Part Number | S20435 35100-2E000 977-379 6E-9009 TB1165 |
| Brand | AUTOREBO |
| ASIN | B0F4XNJ39P |
This AUTOREBO throttle body is a direct-replacement electronic assembly intended to restore proper throttle control on compatible Kia Soul 2.0L vehicles. In typical use it replaces a worn or failing throttle body to resolve rough idle, poor throttle response, or check-engine codes related to throttle position. The unit ships preassembled and claims corrosion and heat-resistant reinforcement for longer life compared with a worn OEM part, which should reduce repeat failures in daily driving. Installation is straightforward for a mechanically inclined owner or a shop and generally requires basic hand tools and throttle relearn or scan tool reset. Important limitations: fitment covers Kia Soul 2.0L 2012-2018 specifically so it is not a universal fix, and some vehicles may still need calibration or cleaning of intake components to fully correct drivability issues. The listing notes an 18-month post-purchase warranty which helps protect against early defects but does not eliminate the need for correct installation and vehicle-specific calibration.
Best for: Reliability-focused buyers who prioritize restoring factory throttle performance with a cost-effective replacement and want a durable part that reduces the chance of repeat failures.
Less Ideal for: Shoppers seeking a performance upgrade or a universal throttle body for multiple vehicles should look for dedicated performance units or multi-fit options instead.
- Direct-replacement design intended to match factory fit and mounting points for easier installation.
- Reinforced, corrosion- and heat-resistant construction aimed at longer service life than a degraded original unit.
- Preassembled electronic assembly reduces bench work and speeds up swap time.
- Compatible part numbers listed to simplify cross-referencing with factory part numbers.
- Fitment is limited to specific 2.0L Kia models and will not fit other engines or years outside the listed range.
- May require throttle relearn or scanner calibration after installation to clear driveability faults.
Verdict A practical, factory-style replacement throttle body for Kia Soul 2.0L owners who want a durable, reliability-focused fix rather than a performance modification.
2. PHILTOP S20435 Electronic Throttle Body
| Manufacturer Part Number | 5056TAY055LUS |
|---|---|
| OEM Part Number | S20435, 351002E000, 977379, ETBB10122, RTB1082, 6E9009, SKTB0001, 1540172, ETB0094, TB1165, 679009, ETB772, B6DC18861 |
The PHILTOP S20435 electronic throttle body replaces a failing unit to restore proper air control into the engine, which can clear idle problems, reduce throttle-related error codes, and recover lost acceleration. It is typically used as a factory-style replacement during routine repairs or when the original throttle body triggers a check engine light or erratic idle. The unit is machined aluminum and lists multiple OEM part numbers for compatibility, and customers report plug-and-play installs when the match is correct. Practical benefits include restoring drivability without expensive dealer parts and compatibility with basic performance bolt-on modifications. Limitations include occasional fitment or calibration issues on some vehicles that require a relearn procedure or professional tuning, and buyers should expect to replace the intake gasket separately since one is not always included. While many owners find it a reliable budget replacement, a small number report incompatibility or abnormal idle behavior on certain cars, so correct vehicle fit confirmation is essential.
Best for: Convenience-driven buyers who want a straightforward, cost-effective replacement to get their Kia Soul back to normal driving quickly without dealer ordering or long wait times.
Less Ideal for: Drivers who need guaranteed dealer-grade parts coverage or a precision-matched OEM component for extended warranty work should consider factory-sourced options instead.
- Direct-replacement design that restores throttle control and clears related fault codes when compatible
- Machined aluminum construction for durability under engine conditions
- Reports of simple plug-and-play installation for many users
- May require throttle relearn or calibration after installation
- Does not always include an intake gasket so additional parts may be needed
Verdict A practical, budget-friendly throttle body replacement that restores throttle response on compatible Kia Soul 2.0L vehicles but verify fitment and expect a throttle relearn or minor additional parts.
3. Cardone Remanufactured Electronic Throttle Body (67-1021)
| Manufacturer Part Number | 67-1021 |
|---|---|
| OEM Part Number | 3510023950 |
| Exterior | Machined |
| Model | Cardone 67-1021 Fuel Injection Throttle Body |
This Cardone remanufactured electronic throttle body replaces a worn OEM unit to restore throttle response, idle control, and accurate airflow for compatible Kia Soul engines. It is fully disassembled, cleaned, and rebuilt; throttle position sensors are tested across the operating range and the assembly receives functional testing for response time and airflow accuracy. In practice this means smoother idle, more consistent throttle mapping, and a factory-quality fit without the variability of used parts. The proprietary cleaning process reduces bore deformation risk, which helps maintain long-term accuracy of the throttle plate. As a remanufactured unit it is more environmentally friendly than a new part, but buyers should expect that it is not brand-new and that installation should be done or verified by someone comfortable with electronic throttle components and calibration procedures. Fitment must be confirmed for the specific Kia Soul engine and model year before purchase.
Best for: Performance-oriented buyers who prioritize restoring factory throttle response and precise driveability in their Kia Soul and want a high-quality, tested replacement over generic options.
Less Ideal for: Buyers seeking a brand-new component with zero prior service life or those uncomfortable with verifying electronic throttle fitment and installation details should consider alternatives.
- Remanufactured and functionally tested to match factory throttle response and airflow characteristics
- Integrated throttle position sensors tested across full operating range for consistent input signals
- Proprietary cleaning reduces throttle bore deformation and improves long-term idle stability
- Factory-fit design intended for direct replacement and straightforward installation on compatible vehicles
- Remanufactured part so internal components may have prior service life compared with a new unit
- Requires correct fitment verification for the Kia Soul engine and model year before installation
Verdict A thoroughly tested, factory-fit remanufactured throttle body aimed at drivers who want restored, OEM-like throttle performance for their Kia Soul.
4. MOTOKU Throttle Body Assembly, replacement for Kia Soul 2012–2019
| Compatible vehicles | Kia Soul 2012-2019 |
|---|---|
| Replaces part numbers | 35100-2B300, 35100-2B320, 35100-2B340, AA1679003 |
| Package included | 1 Fuel Injection Throttle Body ASSY |
This MOTOKU throttle body assembly is a direct-replacement style unit intended for Kia Soul models from 2012 through 2019. It installs in place of the factory throttle body and restores throttle control when the original unit is worn or faulty. The listing specifies compatibility with multiple OEM part numbers, so it is suitable for routine repairs or DIY swaps. As a cost-focused option, the unit provides the basic electrical connector and mounting pattern expected for a factory replacement, making it a straightforward fit for technicians and experienced owners. Practical benefits include saving on dealer parts costs and getting the vehicle back on the road quickly without advanced recalibration in most cases. Limitations are typical of budget aftermarket parts: long-term durability and finish may not match higher-end or factory-direct replacements, and vehicle-specific variations can require careful verification before purchase. Expect simple functionality for everyday driving but consider inspection after installation to confirm throttle response and sealing.
Best for: Budget-conscious owners who prioritize an affordable, straightforward replacement to restore throttle function on a 2012–2019 Kia Soul and prefer a DIY or independent-shop repair approach.
Less Ideal for: Drivers seeking the longest-term durability or exact factory refinements should consider higher-end or OEM-sourced throttle bodies instead.
- Listed compatibility covers Kia Soul 2012–2019, matching many common factory replacements
- Replaces multiple OEM part numbers to simplify cross-referencing during repair
- Lower-cost alternative to dealer throttle bodies for budget repairs
- Ships as a complete throttle body assembly ready for direct installation
- Aftermarket construction may not match factory longevity or finish
- Limited long-term reliability data compared with factory or higher-end units
Verdict A no-frills, budget-friendly throttle body assembly that restores function for 2012–2019 Kia Soul owners but may not match OEM longevity.
5. Astemo ETB0094 Electronic Throttle Body
| Brand | Astemo |
|---|---|
| Model | ETB0094 |
| Position | Center |
The Astemo ETB0094 is an electronic throttle body built to match factory fit and function for the specified vehicle application. It installs in place of the factory throttle body to control intake airflow via an electronic motor and integrated throttle position sensing, restoring proper idle, throttle response, and engine mapping when the original unit fails. The unit emphasizes precision TPS circuitry and protected electronics to maintain accurate engine control and emissions performance. In practice it is used as a one-to-one replacement during routine repairs or after a throttle-body failure and aims to avoid reprogramming by matching OEM calibrations. Notable features include machined exterior construction and a design from a Tier 1 supplier, which supports durability under normal driving conditions. Limitations are that compatibility must be confirmed for the exact Kia Soul engine and model year before purchase and that installation may require basic mechanical access and following vehicle-specific procedures. This is a practical factory-quality replacement for owners who want a like-for-like restoration of throttle control.
Best for: A risk-averse mainstream buyer seeking a factory-quality, direct-replacement throttle body to restore reliable throttle response and normal engine behavior without experimenting with aftermarket performance parts.
Less Ideal for: Drivers looking for performance upgrades, tuning potential, or universal-fit throttle bodies should consider alternatives designed for increased airflow or adjustable mapping.
- Designed and engineered by a Tier 1 supplier to match factory fit and function
- Precision throttle position circuitry for accurate engine mapping and emissions control
- Machined exterior and protected circuitry aimed at durability under typical driving conditions
- Requires confirming exact Kia Soul engine and year compatibility before installation
- May need professional installation if access or vehicle-specific procedures are unfamiliar
Verdict A factory-style replacement throttle body from a Tier 1 supplier aimed at owners who want reliable, like-for-like restoration of throttle control on the Kia Soul.
6. KAX Electronic Throttle Body for Kia Soul 1.6L (2012–2019)
| Fitment | Kia Soul 2012-2019 1.6L |
|---|---|
| Manufacturer | KAX |
| OEM reference | S20452, 351002B300, TB1164 |
This KAX electronic throttle body is a factory-replacement style unit intended to replace a failing throttle body on a Kia Soul 1.6L (2012–2019). It controls airflow into the engine in response to accelerator input and is typically installed when the throttle warning light, stalling, or hesitation appears. The unit is described as corrosion and heat resistant and carries multiple OEM reference numbers for fitment confirmation, which helps ensure a straightforward swap without modification. In real-world use the part aims to restore smooth acceleration and eliminate idle or check-engine faults caused by a malfunctioning throttle body. Installation is a standard bolt-on procedure for mechanically competent DIYers or a quick job for a local shop. Potential limitations are that this is an aftermarket replacement rather than a factory-branded part and a few users reported minor drivability differences after fitting, so expect to verify throttle relearn and check for any engine management codes after installation.
Best for: Practical optimizers looking to fix throttle-related drivability issues on a Kia Soul 1.6L (2012–2019) without paying premium OEM prices and who prioritize a cost-effective, direct-replacement part.
Less Ideal for: Buyers seeking a factory-branded throttle body with factory warranty support or those unwilling to perform a throttle relearn procedure after installation should consider other options.
- Made to match common OEM reference numbers for straightforward fitment to Kia Soul 1.6L (2012–2019)
- Reinforced construction intended for corrosion and heat resistance
- Can restore throttle response and clear throttle-related warning lights when replacing a faulty unit
- Suitable for bolt-on installation with standard tools, reducing shop time
- Aftermarket unit rather than factory-brand which may show slight drivability differences on some vehicles
- Some buyers reported the vehicle felt different after installation and required additional adjustments
Verdict A budget-friendly, reinforced aftermarket throttle body that restores throttle response on Kia Soul 1.6L models while keeping costs down compared with buying a factory-branded unit.
7. TALYNX 92mm Throttle Body Assembly with TPS and IAC (4-bolt)
| Bore diameter | 92mm |
|---|---|
| Drive type | Cable |
| Bolt pattern | 4-bolt |
| Included sensors | TPS and IAC installed |
This TALYNX 92mm throttle body is a CNC-machined aluminum assembly that replaces a cable-driven 4-bolt LS throttle body and arrives with the throttle position sensor and idle air control preinstalled. It is intended for use on GM Gen III LS1/LS2/LS3/LS6/LS7/LSX intake manifolds and is typically installed when upgrading to a larger bore to increase airflow, throttle response, and potential power. The machined construction and included sensors simplify swap work compared with sourcing parts separately, and the 92mm bore is aimed at improving top-end flow for naturally aspirated builds or high-flow forced-induction setups. Buyers should plan for professional installation or at least basic fabrication skills because the package includes no instructions and some users report minor finishing imperfections around the throttle mouth that may require dressing or an adapter plate for perfect sealing and fit. Expect improved throttle feel and higher airflow potential, but confirm fitment and any adapter needs before ordering for nonstandard applications like a Kia Soul swap or custom installation.
Best for: A balanced, all-round buyer who wants a solid performance upgrade and is comfortable coordinating installation or minor fabrication to adapt parts to their build.
Less Ideal for: Buyers seeking a direct, bolt-in replacement for non-LS vehicles or those who want a plug-and-play unit with full instructions and guaranteed fitment for a Kia Soul without custom work.
- CNC-machined T6 aluminum construction for consistent build quality
- Includes TPS and IAC preinstalled to reduce sourcing and wiring work
- 92mm bore increases airflow and can improve throttle response
- Four-bolt cable-drive design fits standard LS Gen III intake bolt patterns
- Designed specifically for GM Gen III LS cable-drive intake manifolds so fitment requires verification for other engines
- No installation instructions included which raises the bar for DIY installers
- Some units may show minor machining/finish imperfections at the throttle mouth that need touch-up for an airtight seal
Verdict A value-oriented 92mm CNC throttle body that boosts airflow and comes with TPS and IAC preinstalled, best for builders willing to verify fitment and handle modest installation tweaks.
Choosing the Right Kia Soul Throttle Body: Key Factors to Consider
Fitment and Mounting Geometry
Correct fitment is fundamental because the throttle body must align precisely with the intake manifold and throttle linkage. Misalignment can cause vacuum leaks, poor throttle response, or difficulty securing the unit.
Check bolt patterns, flange shape, and mating surface finish. Even small differences in thickness or lip design can require gasket changes or modifications. Ensuring the replacement matches the Kia Soul's factory dimensions reduces installation time and avoids drivability issues caused by improper sealing or air leaks.
Electrical and Sensor Compatibility
Modern throttle bodies include sensors such as the throttle position sensor and sometimes integrated idle control components. Compatibility with the vehicle’s wiring harness and expected sensor output is essential to prevent error codes and erratic behavior.
Confirm connector type, pinout, and whether the replacement uses the same sensor technology. Incompatible sensors can trigger check-engine lights or require reprogramming. Matching electrical specs helps maintain accurate throttle readings and steady engine management performance.
Airflow Characteristics and Bore Finish
Airflow profile through the throttle body affects how the engine responds to throttle input. A bore with rough machining or poor finish can create turbulence that changes idle quality and throttle sensitivity.
Look for units with consistent bore diameter and smooth finishes designed to maintain predictable airflow. This helps preserve the intended engine map and reduces the chance of stumbling or hesitation during acceleration. For daily driving, maintaining OEM-like airflow is often preferable to aggressive performance changes.
Idle Control and Response
Idle stability is a common concern when replacing a throttle body. A replacement should support the vehicle’s idle control strategy, whether that uses an integrated valve or relies on the main throttle plate for low-speed management.
Consider how the unit interacts with idle control systems and how quickly it responds to small throttle inputs. Poor idle control can manifest as surging, stalling, or rough idle. Ensuring the part supports the Kia Soul’s idle control requirements helps maintain engine smoothness in stop-and-go conditions.
Build Quality and Materials
Materials and construction affect longevity and performance. Corrosion-resistant materials and durable shaft assemblies resist wear that causes air leaks or sticky throttle plates over time.
Evaluate the quality of bearings, seals, and the throttle plate pivot. Higher-quality finishes and tighter manufacturing tolerances reduce the chance of throttle binding or progressive performance degradation. Reliable build quality reduces the need for early replacement and maintains consistent throttle behavior over the long term.
Serviceability and Maintenance
Ease of cleaning and access can extend component life and simplify routine maintenance. Some throttle bodies are easier to remove, disassemble, or clean than others, and accessibility affects how practical periodic throttle body cleaning is.
Consider whether the design allows safe cleaning of the bore and plate without risking sensor damage. Parts that are straightforward to service cut downtime and make it easier to address common symptoms like buildup or sticking plates, which can restore idle quality without immediate replacement.
FAQ
What are common throttle body symptoms on a Kia Soul?
Common symptoms often include rough or fluctuating idle, hesitation during acceleration, and an illuminated engine warning light that references throttle or sensor faults. You may also notice reduced throttle responsiveness or stumbling under load. These issues often depend on the severity of wear or contamination in the throttle body.
Can a dirty throttle body cause idle surge in a Kia Soul?
Yes, buildup on the throttle plate or bore can disturb airflow at low throttle openings and cause idle surge or unstable RPM. Regular inspection and cleaning of the throttle bore can resolve these symptoms in many cases. If cleaning does not help, further diagnostics may be necessary to check sensors or electronic control inputs.
Should I replace the throttle body or try cleaning first?
It often makes sense to try a careful cleaning first, since contamination is a common and reversible cause of poor performance. If symptoms persist after cleaning, or if the unit shows mechanical wear, electrical faults, or sensor failure, replacement is the next logical step. Diagnosis should include checking sensor outputs and connector integrity.
How difficult is it to replace a throttle body on a Kia Soul?
Difficulty varies with the model year and local access under the hood, but many replacements are straightforward with basic tools and mechanical experience. Replacement typically involves removing intake ducting, disconnecting electrical connectors, and unbolting the unit. Still, follow service instructions and consider professional help if you are not comfortable with engine wiring or sensor calibration steps.
Will replacing the throttle body fix throttle position issues?
Replacing a defective throttle body can resolve throttle position-related symptoms when the cause is mechanical wear or sensor failure within the unit. However, similar symptoms can stem from wiring faults, engine control module behavior, or intake leaks, so replacement is only one step in diagnosis. Confirm the throttle body is the root cause before assuming it will cure all throttle position issues.
How We Chose the Best Kia Soul Throttle Body
We focused on components that match the Kia Soul's factory fit and mounting geometry, since proper fitment minimizes installation issues and ensures correct throttle linkage alignment. Airflow characteristics were judged for how closely they replicate original flow patterns to avoid drivability changes. Electrical and sensor compatibility was reviewed to ensure throttle position sensor signals and connectors match the vehicle harness. Durability and materials were considered, including shaft and bore finishes that affect wear and response. Ease of installation and serviceability were factored in, especially for routes that may require throttle body cleaning or quick replacement. We excluded non-fitment-specific performance claims, universal or heavily modified racing units that demand engine tuning, and parts that lack adequate documentation on compatibility. The list prioritizes correct fitment, sensor compatibility, airflow consistency, build quality, and ease of installation for the Kia Soul platform.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a throttle body for a Kia Soul, prioritize correct fitment, sensor compatibility, and airflow that closely matches the original design. Those factors have the greatest impact on idle quality and throttle feel. Balance build quality and serviceability against your maintenance preferences. In many cases, careful cleaning and inspection can restore performance, but when replacement is needed, selecting a well-documented, correctly matched unit reduces installation headaches and promotes reliable drivability.
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