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If you drive an Infiniti QX60, the throttle body has a direct impact on how the vehicle responds to your inputs and how steady the engine idles. Choosing the right replacement or upgrade can reduce hesitation, restore smoother idle, and prevent drivability issues. This guide highlights the top shortlisted throttle bodies for the Infiniti QX60 and explains the criteria used to evaluate them, including fitment accuracy and airflow characteristics. Below you will find the best options selected for reliability and compatibility, followed by practical buying guidance to help you pick the right throttle body for your driving needs.
Looking for other parts? See all Infiniti QX60 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Electronic Throttle Body Assembly with Throttle Position Sensor |  |
| Most Popular A crowd favorite that many people choose with confidence | IRONTREE S20058 Electronic Throttle Body — Direct Replacement for 3.5L Nissan/Infiniti V6 |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman 977-784 Throttle Body with Hall Effect Sensor and Sensor Shield |  |
| Best Budget The cheapest option that still gets the job done reliably | SCITOO Throttle Body Assembly for Infiniti QX56 / Nissan 4.0L–5.6L Applications |  |
| Most Sold A high-volume bestseller chosen again and again | DriveFix Throttle Body Assembly (Left & Right) for Infiniti/Nissan 3.5L–3.7L |  |
| Best Value for Money The sweet spot between price and what you get | Magorfas Electronic Throttle Body — Compatible with Infiniti FX35/G35/I35/M35 and Nissan 3.5L V6 |  |
| Best Overall The best all-around choice for most situations | AUQDD Electronic Throttle Body Assembly for 4.0L VQ40DE / 5.6L VK56DE |  |
1. A-Premium Electronic Throttle Body Assembly with Throttle Position Sensor
| Material | Aluminum |
|---|---|
| Terminal Count | 6 |
| Throttle Position Sensor | Included |
| Throttle Body Type | Electric |
This A-Premium electronic throttle body replaces the factory unit and includes a built-in throttle position sensor, six-terminal connector, and aluminum housing. It is intended for direct replacement on compatible Infiniti and Nissan 3.5L V6 engines and is typically used when the original throttle body fails, shows poor idle control, or triggers throttle-related faults. The aluminum construction and flange-mount design make installation straightforward for a mechanic familiar with intake plumbing and throttle harnesses. Buyers will appreciate the included throttle position sensor and the terminal-style plug that matches factory wiring, which can reduce installation time. Important limitations are that some vehicles will require an ECU/ECM relearn or recalibration after installation and the part listing includes many reference numbers rather than a single manufacturer part code, so double-check fitment before ordering. The unit comes with a one-year parts guarantee from the brand.
Best for: A reliability-focused buyer looking to restore factory throttle response on their Infiniti QX60 with a direct-replacement mindset and minimal downtime.
Less Ideal for: Buyers seeking a plug-and-play item that guarantees no calibration or ECU work after install or those who prefer purchasing directly from a factory dealer for exact part numbering.
- Includes throttle position sensor for immediate replacement without sourcing separate sensor
- Aluminum housing offers corrosion resistance compared with lower-cost materials
- Flange-mount design and matching six-terminal connector simplify mechanical and electrical installation
- Listed reference numbers cover common factory part numbers for easier cross-referencing
- May require ECU/ECM relearn or professional calibration after installation
- Fitment must be verified against vehicle reference numbers rather than a single confirmed OEM part number
Verdict A practical, reliability-oriented replacement throttle body with integrated sensor that fits compatible Infiniti 3.5L V6 vehicles but may need ECU recalibration after install.
2. IRONTREE S20058 Electronic Throttle Body — Direct Replacement for 3.5L Nissan/Infiniti V6
| Compatible engine | 3.5L V6 |
|---|---|
| Manufacturer part number | TS20058 |
| OEM part references | 161198J100 / 161198J103 and related numbers |
| Item model number | TS20058 |
This IRONTREE throttle body is a factory-style electronic unit assembled with the throttle actuator, position sensor, and idle control preinstalled to plug directly into the vehicle wiring harness. For an Infiniti QX60 with the 3.5L V6, it replaces the failing factory unit to clear driveability symptoms such as rough idle, throttle hesitation, or limp-home mode. The unit is built to meet OEM specifications and undergoes computerized testing according to the manufacturer, which should provide consistent throttle response after installation and the standard throttle relearn procedure. Practical benefits include straightforward fitment, no extra adapters, and a 3-year warranty for peace of mind. Reported issues in some reviews include occasional fitment variance and a small number of DOA parts, so careful verification of bolt and vacuum port alignment is recommended before installation. This is a convenience-minded replacement aimed at getting a QX60 back on the road quickly without custom work, but installers should have basic diagnostic and relearn capability on hand.
Best for: Convenience-driven buyers who want a ready-to-install, budget-friendly replacement that gets an Infiniti QX60 back to normal quickly with minimal workshop time.
Less Ideal for: Owners seeking a dealer genuine part or long-term factory matching finish should consider factory-sourced throttle bodies instead.
- Direct replacement with pre-assembled actuator and sensors for plug-and-play installation
- Built to OEM specification with computerized testing for consistent performance
- Designed to restore throttle response and resolve idle/acceleration issues
- Includes a 3-year warranty for added protection
- Some reviewers reported incorrect fitment or damaged units on arrival in a minority of orders
- Not a brand-new factory unit from Infiniti so finish and longevity may vary compared with dealer parts
Verdict A plug-and-play, budget-focused throttle body that restores QX60 throttle function quickly but may occasionally show fitment variability.
3. Dorman 977-784 Throttle Body with Hall Effect Sensor and Sensor Shield
| Manufacturer | Dorman |
|---|---|
| Model | Dorman 977-784 |
| Construction | 100% new aluminum |
| Sensor type | Hall effect |
| Tested durability | 1,000,000 cycle count |
This Dorman throttle body is a 100% new, plug-and-play replacement designed to address common electronic throttle failures by swapping wear-prone position contacts for a non-contact Hall effect sensor and adding a Sensor Shield shaft seal to block oil and contaminants. It installs where the factory throttle body sits in the intake and is used to control airflow to the engine via the electronic throttle motor and position sensor. Notable features include full new aluminum construction rather than a remanufacture, one-million-cycle endurance testing, and vehicle try-on validation. In practical terms that means you get a component intended for longer service life, fewer sensor-related drivability faults, and straightforward replacement without a core charge. Limitations: this part requires correct application programming or relearn on vehicles that need throttle body adaptions, and fitment must be confirmed to the exact engine and year before installation. It is an upgraded repair part but does not change engine performance beyond restoring proper throttle control.
Best for: Performance-oriented buyers who prioritize durable, race-worthy components and want a long-lasting, factory-replacement style throttle body to reduce repeat failures and downtime.
Less Ideal for: Shoppers looking for performance upgrades that increase power or throttle response should look at tuning or aftermarket performance intakes instead; those who prefer one-size-fits-all parts should avoid this as fitment is specific.
- Contactless Hall effect sensor reduces mechanical wear and the likelihood of position sensor failure.
- Integrated Sensor Shield shaft seal blocks oil and contaminants from damaging internal electronics.
- 100% new aluminum construction eliminates uncertainties of remanufactured cores.
- Endurance tested with over one million cycles to simulate long-term use.
- Plug-and-play design simplifies replacement when matched to correct vehicle programming.
- May require throttle relearn or programming on vehicles that store throttle adaptations.
- Compatibility is vehicle- and trim-specific so incorrect selection can prevent fitment.
- Does not provide performance gains beyond restoring factory throttle function.
Verdict A durable, upgraded factory-replacement throttle body aimed at preventing sensor and contamination failures rather than increasing engine performance.
4. SCITOO Throttle Body Assembly for Infiniti QX56 / Nissan 4.0L–5.6L Applications
| Brand | SCITOO |
|---|---|
| Model | 166059 |
| Manufacturer Part Number | 166059-5206-1731461181 |
| OEM Part Number | 16119-7S000, 67-0013, S20181 |
This SCITOO throttle body is an aftermarket replacement designed to restore throttle control and idle behavior on compatible Nissan and Infiniti V8 and V6 engines. It includes the throttle actuator, idle air control and throttle position sensing functions in one unit so the assembly can be swapped in without sourcing separate parts. Typical use is replacing a failed or sticky throttle body on vehicles like the Infiniti QX60 (when fitted with a compatible 4.0L or 5.6L engine platform), which can improve throttle response and resolve erratic idle once the unit is installed and, if needed, relearned by the vehicle computer. The unit is marketed as tested to meet OEM dimensions and performance and many buyers report straightforward installation and immediate fit. Expect to perform or have performed any required throttle relearn or diagnostics after installation because some users report communication or calibration steps are necessary. Build quality is good for the price but occasional defects are reported, so factor in inspection and a basic bench test before final fitment.
Best for: Budget-conscious buyers who need a lower-cost replacement throttle body to restore drivability on a compatible Infiniti QX60 and are comfortable arranging basic calibration or professional installation if needed.
Less Ideal for: Those seeking a long-term factory-sourced part or guaranteed longevity under heavy-duty use should consider a factory-quality replacement or dealer unit instead.
- Complete drop-in assembly including actuator, idle control and throttle position sensor
- Sold as a tested aftermarket unit intended to match factory dimensions and function
- Generally straightforward to install with many users reporting plug-and-play fit
- Affordably priced compared with dealer replacement parts
- Some users report intermittent defects or early failures on individual units
- May require throttle relearn or ECU calibration after installation for correct operation
Verdict A budget-friendly, complete aftermarket throttle body that can restore throttle function on compatible Infiniti QX60 engines but may require a relearn and careful inspection due to occasional quality variability.
5. DriveFix Throttle Body Assembly (Left & Right) for Infiniti/Nissan 3.5L–3.7L
| Brand | DriveFix |
|---|---|
| Model | 16119JK20D |
| Compatible engines | 3.5L and 3.7L only |
| Fitment note | Select Infiniti and Nissan 2007–2021 models |
This kit supplies both left and right throttle bodies intended as direct-fit replacements for 3.5L and 3.7L Infiniti engines, offering a practical repair path when stuck throttle bodies or rough idle affect drivability. Installation is the usual bolt-on swap for factory-style throttle bodies and is typically done during intake access work; users report the parts match factory components and are Hitachi-made, which suggests OEM-quality fit and function. The notable benefit is receiving both sides together so you avoid mismatched wear between banks and restore balanced throttle response. A common limitation is the electronic relearn/programming step after installation; several owners needed a mechanic to complete the relearn and paid for shop time because the manual procedure did not succeed. Also expect professional-level handling if your vehicle requires calibration or cleaning before install. For a risk-averse buyer this is a straightforward way to restore factory throttle performance, provided you plan for possible dealer or shop assistance for programming.
Best for: A risk-averse buyer looking to restore factory throttle performance on their Infiniti and who prefers a matched, factory-style replacement over aftermarket single-unit fixes.
Less Ideal for: DIYers unwilling to arrange ECU relearn or buyers seeking a universal or performance-upgrade throttle body alternative.
- Supplied as a matched left and right pair to restore balanced throttle response
- Reported Hitachi factory-made units for OEM-equivalent fit and operation
- Direct-fit design reduces modification or machining during installation
- Requires electronic relearn/programming after installation which may need shop tools or paid labor
- Not a universal fit; only for compatible 3.5L and 3.7L Infiniti/Nissan engines
Verdict A matched left/right, factory-fit replacement that restores stock throttle function but may require professional relearn or calibration.
6. Magorfas Electronic Throttle Body — Compatible with Infiniti FX35/G35/I35/M35 and Nissan 3.5L V6
| Compatible engines/models | Infiniti FX35/G35/I35/M35 and Nissan 3.5L V6 models (listed years) |
|---|---|
| Electrical connector | 6-pin |
| Replaces part numbers | 16119-8J100, 16119-8J101, 16119-8J103, 16119-8J10A, 16119-8J10B |
| Material | Aluminum |
This Magorfas electronic throttle body is a bolt-in replacement intended to restore proper throttle response and idle control on compatible 3.5L V6 Infiniti models. It replaces several factory part numbers and uses an aluminum housing to resist heat and corrosion, so it is meant for standard repair use rather than performance tuning. Typical installation requires removing the old throttle body, fitting this unit, and performing the electronic initialization procedure so the vehicle’s throttle module relearns idle and throttle positions. The six-pin connector and listed diameter suggest it matches the factory mating surfaces for the affected engines, and the unit’s construction promises a long service life under normal driving conditions. Important limitations are that it must be initialized after installation and it is a replacement part rather than an upgraded performance unit, so drivers expecting increased power or responsiveness beyond factory levels should not expect that. Compatibility is limited to the specified Infiniti and Nissan 3.5L V6 model years only.
Best for: Practical optimizers seeking a cost-effective, factory-quality replacement to keep an Infiniti QX60 (3.5L V6 family) running reliably without overspending.
Less Ideal for: Drivers looking for performance modifications or measurable power gains should consider aftermarket performance throttle bodies or tuning solutions instead.
- Direct replacement for several factory part numbers to simplify sourcing
- Aluminum construction improves heat and corrosion resistance for longevity
- Six-pin electrical interface and matching bore dimensions for straightforward fitment
- Designed for standard repair use to restore factory throttle response
- Not a performance upgrade so it will not improve horsepower or throttle responsiveness beyond factory specifications
- Requires proper initialization procedure after installation to function correctly
Verdict A budget-minded, factory-style replacement throttle body that restores proper throttle control on compatible Infiniti 3.5L V6 models without adding performance.
7. AUQDD Electronic Throttle Body Assembly for 4.0L VQ40DE / 5.6L VK56DE
| Compatible Engines | V6 4.0L VQ40DE and V8 5.6L VK56DE |
|---|---|
| Connector | 6 Pin Male |
| Includes | Throttle actuator, IAC, TPS pre-assembled |
This AUQDD electronic throttle body is a direct-replacement assembly that arrives with the actuator, idle air control and throttle position sensor pre-installed so it is ready for bolt-in service on compatible vehicles. It is typically used to fix high-idle, surging, or throttle response faults by restoring correct throttle control and sensor feedback. The unit is made in ISO/TS16949 facilities and claims factory-quality fit and performance, with an internal micro control chip and upgraded sensors intended to improve engine control and acceleration feel. Installation is straightforward for a competent DIYer or mechanic, but the vehicle ECU will need a relearn procedure after installation, which the listing documents. Some buyers report reliable long-term performance while a few have needed multiple relearns before stability, so expect to follow the reset steps and test drive for a day or two. This unit offers a cost-effective alternative to dealer parts when you want a complete, ready-to-install throttle body assembly for the specified engines.
Best for: Balanced buyers who want a ready-to-install replacement that restores throttle control without paying dealer prices and who value a practical mix of quality and cost.
Less Ideal for: Buyers seeking a factory-brand part or those unwilling to perform or verify the required ECU relearn and initial road testing should consider alternatives.
- Comes as a complete assembly with actuator, TPS and IAC pre-installed for faster installation
- Manufactured in ISO/TS16949 certified facilities and tested to meet factory-fit expectations
- Built-in micro control chip and upgraded sensors aim to improve throttle responsiveness
- Clear installation notes and ECU relearn guidance included to help achieve stable idle
- Some vehicles may require repeated relearn attempts before idle behavior stabilizes
- Not a brand-original part so fitment or long-term durability can vary by vehicle
Verdict A complete, cost-conscious replacement throttle body for the specified Nissan/Infiniti engines that balances factory-fit claims with the practical need for ECU relearn and verification.
Choosing the Right Infiniti QX60 Throttle Body: Key Factors to Consider
Fitment and Mounting Compatibility
Correct physical fitment is the most critical factor because the throttle body must match the Infiniti QX60 intake flange, bolt pattern, and sensor connector locations. Improper alignment can cause vacuum leaks, poor sealing, or stress on the throttle shaft, which leads to premature wear.
Check that the part is specified for the QX60 model year and engine variant you own. Pay attention to the orientation of vacuum ports and coolant passages where applicable, since mismatched ports can complicate installation or require additional adapters.
Electrical Connector and Sensor Matching
Modern throttle bodies include position sensors and an electronic throttle control motor. Ensuring that the connector type and pinout match the vehicle harness avoids electrical faults and prevents the engine control unit from seeing unexpected signals.
If the sensor output or motor characteristics differ, the vehicle may require recalibration or trigger engine warning indicators. Verify compatibility with the QX60's throttle position sensor and throttle control wiring to minimize diagnostic work after installation.
Airflow Characteristics and Throttle Plate Design
The throttle body's internal bore size, plate geometry, and airflow profile influence throttle response and volumetric efficiency. A design that maintains smooth airflow across the operating range helps reduce turbulence and uneven idle behavior.
Consider how changes in bore size or plate contour affect low-RPM drivability versus high-load responsiveness. Parts that closely replicate the original airflow curve will typically deliver predictable throttle mapping and stable idle.
Durability and Material Quality
Materials and manufacturing quality determine how well a throttle body resists corrosion, carbon buildup, and mechanical wear. Aluminum housings and precision-machined bores are common for longevity, while cheaper cast components may warp or develop uneven surfaces over time.
Look for robust shaft bearings and resistant coatings on moving parts to limit friction and binding. Long-term durability reduces the likelihood of throttle body malfunction and the need for repeated service.
Serviceability and Replaceable Components
Throttle bodies that allow individual components to be serviced or replaced can save time and money. Replaceable gaskets, interchangeable sensors, or rebuildable throttle motors mean you can address specific failures without swapping the entire assembly.
Consider whether the design supports straightforward cleaning access, or whether covers and assemblies must be removed to reach critical surfaces. Serviceable parts can simplify regular maintenance like throttle body cleaning or sensor replacement.
Calibration, Relearn, and Installation Complexity
After installing a new throttle body, the vehicle's engine control system may require a relearn procedure or calibration to adapt to the new sensor outputs and throttle characteristics. Some parts are plug-and-play while others need dealer-level tools or manual relearn steps.
Assess your willingness to perform calibration steps or seek professional help. Choosing a part with minimal relearn requirements reduces downtime and ensures the throttle behaves as expected immediately after installation.
FAQ
What are common throttle body symptoms on an Infiniti QX60?
Common signs often include rough or fluctuating idle, hesitant acceleration, or illumination of the engine warning light. You may also notice stumble during throttle transitions or reduced throttle responsiveness when the throttle position sensor is not reporting correctly.
Can throttle body cleaning fix idle surge or rough idle?
Cleaning can help if carbon buildup or deposits are restricting the throttle plate movement or airflow. It often restores smoother idle and response when contamination is the root cause, but persistent electrical or mechanical failures may require replacement.
How difficult is throttle body replacement on the Infiniti QX60?
Difficulty depends on engine layout and your mechanical experience. Basic replacements usually involve removing intake plumbing, disconnecting electrical connectors, and unbolting the assembly. Some installations require a relearn procedure or minor sensor reconnection steps afterward.
When should I consider a throttle body rebuild kit?
A rebuild kit can be a good option if the housing is in good condition but the motor, bearings, or seals are worn. Rebuilding addresses specific mechanical wear while avoiding full assembly replacement, provided the part supports serviceable components and proper calibration after reassembly.
Will a new throttle body fix engine warning lights?
A new throttle body may resolve warning lights that stem from throttle position sensor faults or mechanical binding. However, the light could also indicate unrelated sensor or wiring issues, so diagnostic scanning is usually helpful to confirm the cause before replacement.
How often should the throttle body be inspected or cleaned?
Inspection intervals vary with driving conditions, but checking the throttle body during routine tune-ups or every 30,000 to 50,000 miles is common. More frequent checks are prudent if you observe rough idle or throttle position issues.
How We Chose the Best Infiniti QX60 Throttle Body
We focused on parts designed specifically for the Infiniti QX60 and evaluated each on measurable, vehicle-relevant criteria. Key filters included precise OEM-equivalent fitment to the QX60 intake tract, consistent throttle plate operation and airflow capacity, electrical connector and sensor compatibility, and overall durability in typical operating temperatures. Other important criteria were ease of installation, availability of replaceable sensors or gaskets, and whether the part design minimized the need for calibration or lengthy relearn procedures. We excluded universal or non-vehicle-specific throttle assemblies and any components lacking documented fitment for the QX60. The final selections prioritize mechanical reliability, correct electrical interfaces, and airflow characteristics that match the vehicle's engine management expectations.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize correct fitment, electrical compatibility, and airflow characteristics when choosing a throttle body for the Infiniti QX60. Those factors most directly affect driveability, idle quality, and the need for recalibration. Also weigh durability and serviceability against installation complexity. Selecting a part that matches the QX60's mounting and sensor interfaces while offering easy maintenance will minimize downtime and keep the vehicle running smoothly.
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