Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclaimer here.
Choosing the right Nissan Altima throttle body affects drivability, idle quality, and throttle responsiveness. A proper unit helps reduce rough idle, erratic acceleration, and diagnostic trouble codes that can leave you stranded. This guide looks at seven shortlisted options that meet common fitment and performance expectations. We evaluated each choice for accuracy of fit, airflow characteristics, and build quality to help you quickly narrow the field. Read on to understand the traits that matter most before you pick the right part.
Looking for other parts? See all Nissan Altima parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Marsram Electronic Throttle Body for Nissan 2.5L (Replace 16119-JK20A) |  |
| Most Popular A crowd favorite that many people choose with confidence | IRONTREE S20058 Throttle Body, direct replacement for 3.5L Nissan/Infiniti 2002–2009 |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Electronic Throttle Body Assembly with Throttle Position Sensor |  |
| Best Budget The cheapest option that still gets the job done reliably | AUTOKAY Throttle Body with TPS Sensors for Nissan 2.5L (16119-AE013) |  |
| Most Sold A high-volume bestseller chosen again and again | SCITOO Throttle Body Assembly for Nissan Altima / Murano / QX60 |  |
| Best Value for Money The sweet spot between price and what you get | GZGN Electronic Throttle Body (fits select Nissan 2.5L engines) |  |
| Best Overall The best all-around choice for most situations | PHILTOP Electronic Throttle Body (replaces 16119JA10A) for Nissan/INFINITI 3.5L |  |
1. Marsram Electronic Throttle Body for Nissan 2.5L (Replace 16119-JK20A)
| Compatible Vehicles | Nissan Altima 2007–2013 2.5L L4 (see fitment) |
|---|---|
| Replace Part Numbers | 16119-JA00A, 16119-JK20A, 16119-JK20C, ETB0004 |
| Manufacturer | Topspace / Marsram |
| Position | Front |
This Marsram electronic throttle body is a replacement for Nissan 2.5L applications and is intended to restore proper throttle control when the factory unit fails. It installs like a direct factory replacement and includes the redesigned electronic sensor assembly to improve reliability over worn originals. In normal use it precisely meters airflow for smoother acceleration, steadier idle and faster recovery from limp-mode conditions after a failed unit. Many buyers report straightforward bolt-on installation and successful relearn procedures without additional modifications. The practical benefits are a factory-quality fit, improved throttle response, and avoidance of dealer-level repair costs. Limitations include that it is an aftermarket part so long-term durability can vary vehicle to vehicle and a proper throttle-body relearn or ECU reset may be required after installation to clear warnings and restore normal driveability.
Best for: Reliability-focused buyers who want a cost-effective, factory-style replacement to restore consistent throttle response and avoid frequent limp-mode issues.
Less Ideal for: Buyers seeking an upgraded performance throttle or a long-term OEM warranty solution should consider dealer or performance-specific options instead.
- Direct replacement fit for Nissan 2.5L applications, matching factory electrical and mounting connections.
- Redesigned internal sensor for improved stability compared with worn original units.
- Precise airflow control restores smoother acceleration and more stable idle.
- Many users report easy bolt-on installation and successful relearn with basic steps.
- Aftermarket construction means long-term lifespan may not exactly match OEM in every case.
- May require a throttle relearn or ECU reset after installation to clear fault codes and restore full functionality.
Verdict A practical, reliability-minded replacement that restores factory throttle behavior on Nissan 2.5L Altimas without dealer prices.
2. IRONTREE S20058 Throttle Body, direct replacement for 3.5L Nissan/Infiniti 2002–2009
| Compatible engines | 3.5L V6 |
|---|---|
| Fitment years | 2002-2009 Nissan/Infiniti listed models |
| Item model number | TS20058 |
| Manufacturer | IRONTREE |
This IRONTREE S20058 is a fully assembled electronic throttle body meant as a one-for-one replacement for 3.5L Nissan/Infiniti V6 engines from the mid 2000s. It arrives with the throttle plate, position sensors and actuator motor preinstalled so it plugs into the factory wiring harness with no adapters. In typical use you remove the failed unit, install this part, perform the throttle relearn procedure and regain smooth idle and throttle response. The listing emphasizes computerized testing and upgraded internal components to match or exceed factory performance, and several buyers report quick fixes for sluggish acceleration or P1122 codes. Because it is an aftermarket direct-fit part, quality can vary between units and a minority of buyers received defective pieces, so expect to verify operation immediately after installation. The product includes a multi-year warranty and targets buyers who want an affordable, ready-to-install replacement that avoids dealer lead times and higher labor costs.
Best for: Convenience-driven buyers who want a plug-and-play replacement to get a Nissan Altima 3.5L back on the road quickly without dealer scheduling or complex modification.
Less Ideal for: People seeking a factory-branded OEM part or a performance upgrade beyond stock specifications should consider alternatives.
- Direct-fit replacement that plugs into the factory wiring harness with no adapter required
- Pre-assembled throttle plate, position sensors and actuator motor for faster installation
- Built and tested to meet or exceed factory performance for restored throttle response
- Multiple customer reports of fixing sluggish acceleration and code P1122 quickly
- Some units have arrived defective for a minority of buyers, so initial verification after install is necessary
- As an aftermarket unit, fitment tolerances can vary compared with factory parts
Verdict A budget-friendly, ready-to-install throttle body for 3.5L Nissan/Infiniti models that restores throttle control quickly but may show occasional quality variation.
3. A-Premium Electronic Throttle Body Assembly with Throttle Position Sensor
| Material | Aluminum |
|---|---|
| Output Type | Push-Pull |
| Terminal Quantity | 6 |
| Throttle Position Sensor | Included |
This A-Premium electronic throttle body replaces the factory unit and includes an integrated throttle position sensor so the engine computer can accurately control throttle opening. It is used as a direct replacement on compatible Nissan 3.5L V6 models and installs at the intake flange where the original throttle body sits. The aluminum housing and six-terminal blade connector match factory-style mounting and electrical interfaces, and buyers report straightforward fitment and normal operation after recalibrating the vehicle computer. Practical benefits include restoring proper idle, throttle response, and eliminating limp-home symptoms caused by a failing throttle body. Important limitations are that an ECU relearn or recalibration may be required after installation and that this is a vehicle-specific replacement so fitment must be confirmed before purchase. The part comes with a stated one-year unlimited-mileage guarantee from the manufacturer.
Best for: Performance-oriented buyers who prioritize restoring factory throttle response and precise electronic control on a Nissan Altima with the 3.5L V6, aiming for near-factory drivability without aftermarket tuning complexity.
Less Ideal for: Buyers looking for a universal or adjustable performance throttle body or those who prefer plug-and-play upgrades that do not require ECU relearns should consider alternatives.
- Includes throttle position sensor for direct electronic feedback to the engine computer.
- Aluminum housing and factory-style flange mount for straightforward physical fitment.
- Six-terminal blade connector matches common factory wiring harnesses.
- Seller cites a one-year unlimited-mileage guarantee for peace of mind.
- May require ECU recalibration or relearn procedure after installation to clear codes and restore driveability.
- Compatibility limited to specific Nissan and Infiniti 3.5L V6 applications so fitment must be verified.
Verdict A direct-fit factory-style replacement that restores electronic throttle control for compatible Nissan 3.5L V6 vehicles, but expect an ECU relearn after installation.
4. AUTOKAY Throttle Body with TPS Sensors for Nissan 2.5L (16119-AE013)
| Fits for | Nissan Altima 2.5L (2002–2006) and select Sentra/X‑Trail 2.5L models |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Electrical signal |
| Material | Alloy Steel |
This AUTOKAY throttle body is a direct-fit replacement that integrates the throttle actuator and TPS sensors so you can restore throttle response and idle control on affected 2.5L Nissan engines. It installs in place of the factory unit and is typically used when a worn or failing throttle body causes rough idle, stalling, or hesitation. Notable features include a flange-mount design, electrical output for plug‑in connection to the vehicle harness, and compatibility listing for Altima, Sentra, and X‑Trail 2.5L QR25DE engines. In practice the part often resolves drivability issues after installation but many buyers report the vehicle requires a throttle relearn or ECU programming step before normal operation. Fit and finish are generally good for an aftermarket unit, and several users noted straightforward installation. Limitations are typical of budget replacements: occasional fitment confusion between automatic and manual transmission variants and variable long‑term durability versus higher-end factory‑quality parts.
Best for: Budget-conscious owners seeking an affordable repair that restores drivability on early 2000s Nissan Altima 2.5L vehicles and who are comfortable performing or paying for a relearn/programming step.
Less Ideal for: Buyers who prioritize long-term OEM-level durability or who want a guaranteed plug-and-play swap for manual transmission cars without verifying exact transmission fitment should consider factory-quality alternatives.
- Complete unit with integrated throttle position sensors for a single replacement job
- Flange mount and electrical connector designed for straightforward plug‑in installation
- Compatible with multiple Nissan 2.5L QR25DE models listed for direct replacement
- Lower-cost option compared with factory replacements, making it budget friendly
- May require throttle relearn or ECU programming after installation to eliminate idle or drivability issues
- Reports of transmission-specific differences mean it may not work correctly for some manual-transmission variants
Verdict A cost-effective, complete throttle body replacement for Nissan 2.5L Altima engines that restores drivability if you accept possible relearn steps and some fitment checks.
5. SCITOO Throttle Body Assembly for Nissan Altima / Murano / QX60
| Applicable models | 2014-2017 Infiniti QX60; 2015-2018 Nissan Altima; 2015-2024 Nissan Murano; 2015-2016 Nissan Pathfinder; 2015-2017 Nissan Quest |
|---|---|
| Manufacturer | SCITOO |
| Item model number | 131064-5206-0950581281 |
This SCITOO throttle body is an aftermarket replacement intended to restore proper throttle response and engine control on compatible Nissan Altima, Murano, Pathfinder and Infiniti QX60 models. It installs in place of the factory unit and is typically used when the original throttle body shows symptoms like rough idle, hesitation, or a check engine light related to throttle position. Notable features highlighted by the maker include upgraded sensors and a factory-quality motor to provide precise electronic control and improved acceleration feel. For a risk-averse buyer this unit is attractive because it claims OEM-style performance and is sold as a direct-fit part, which simplifies installation and reduces the chance of compatibility problems when matched correctly. Important limitations are that fitment must be confirmed against the vehicle and part numbers before purchase and that professional installation may be advisable for those without mechanical experience. It is presented as a budget-friendly replacement compared with dealer repair while aiming to deliver reliable, long-lasting operation.
Best for: Risk-averse mainstream buyers who prefer a straightforward, factory-replacement style part to restore normal throttle performance without upgrading components.
Less Ideal for: Drivers seeking performance tuning or motorsport upgrades should look for performance-specific throttle bodies rather than a factory-style replacement.
- Direct-fit design for specified Nissan and Infiniti models simplifies replacement
- Upgraded sensors and factory-quality motor aim to improve throttle response and acceleration
- Lower cost than dealer repair while replacing a failing throttle body
- Sold by a specialist aftermarket parts brand with stated durability testing
- Requires confirming exact fitment and part number before purchase
- Installation may need a qualified technician if you lack experience
Verdict A cost-effective, factory-style replacement throttle body aimed at restoring reliable throttle control on supported Nissan and Infiniti models when correctly matched for fitment.
6. GZGN Electronic Throttle Body (fits select Nissan 2.5L engines)
| Brand | GZGN |
|---|---|
| Model | NISJQM0023 |
| Compatible engines | L4 2.5L |
| Replace part numbers | 16119-3TA0A, 16119-EA000 and others |
This GZGN electronic throttle body is a machined aluminum direct-replacement unit intended for Nissan 2.5L engines used in Altima, Rogue, Rogue Select, and Frontier model years listed in the fitment. It replaces a failing throttle actuator when symptoms include rough idle, stalling, hesitation, or a throttle-related warning light. Installation is typical for throttle bodies: unplug the electrical connector, remove the intake plumbing and old unit, install the replacement, then follow the vehicle relearn/idle reset procedure. The machined aluminum construction promises corrosion and heat resistance for long service life, and multiple reviewers report good fit and restored drivability after the relearn. Limitations are that electronic components and calibration can vary part to part so some units may need a second replacement or additional relearn attempts, and this is a vehicle-specific part so it will not fit engines outside the stated 2.5L Nissan applications. For a practical owner seeking a budget-friendly factory-style replacement, it delivers acceptable performance provided fitment is confirmed and the relearn procedure is done correctly.
Best for: Practical optimizers who prioritize reliable, budget-minded factory-style repairs to keep a Nissan 2.5L running without paying dealer prices.
Less Ideal for: Drivers seeking a guaranteed, plug-and-play OEM replacement with factory support or those who prefer professional remanufactured throttle bodies with extended testing and calibration.
- Direct-replacement fit for specified Nissan 2.5L models so installation follows factory procedure
- Machined aluminum body offers durability and resistance to heat and corrosion
- Several user reports indicate restored idle and drivability after installation
- Affordable option compared with dealer-level throttle body replacements
- Electronic calibration can be inconsistent between units which may require additional relearn attempts or replacement
- Not universal; must confirm exact year and engine fitment before purchase
Verdict A cost-conscious, factory-style replacement for Nissan 2.5L throttle problems that performs well when fitment is confirmed and the relearn procedure is followed.
7. PHILTOP Electronic Throttle Body (replaces 16119JA10A) for Nissan/INFINITI 3.5L
| Manufacturer Part Number | 8425TAY050FUS |
|---|---|
| OEM Part Number | 16119JA10A, 670009 |
| Exterior | Machined |
| Position | Front |
This PHILTOP electronic throttle body replaces part number 16119JA10A and is intended as a factory-quality replacement for a range of Nissan and INFINITI 3.5L applications. It regulates intake air to restore proper idle control and throttle response, which often clears CELs tied to a failing throttle body and can improve acceleration feel. The unit is machined from aluminum with upgraded internal components and coatings meant to resist wear and heat, and most buyers report an easy installation with minimal modification and no special programming on compatible vehicles. Practical benefits include regained power and smoother idle for cars that had throttle-related faults, plus compatibility with other engine upgrades. Limitations to note are occasional fitment or driveability issues on some vehicles and the omission of a gasket in the box, so plan to have a replacement gasket or expect to reuse the factory gasket; a small number of buyers reported incompatibility requiring the original part to be refitted.
Best for: Buyers who want a balanced, reliable factory-replacement throttle body to restore drivability and responsiveness without paying OEM prices.
Less Ideal for: Drivers seeking a guaranteed dealer-level part or those unwilling to troubleshoot a rare fitment issue should consider purchasing directly from a dealer or sourcing an exact factory part.
- Designed as a direct replacement for Nissan/Infiniti throttle body part 16119JA10A
- Machined aluminum construction with upgraded internal coatings for durability
- Many users report straightforward, plug-and-play installation with improved idle and throttle response
- Compatible with performance modifications to help maximize engine upgrades
- Does not include a gasket, which is often needed for a complete installation
- A minority of vehicles experienced compatibility or driveability problems after installation
Verdict A cost-effective, machined-aluminum replacement that restores throttle response for Nissan/Infiniti 3.5L models, but keep a gasket handy and be prepared to verify fitment.
Choosing the Right Nissan Altima Throttle Body: Key Factors to Consider
Fitment and Vehicle Compatibility
Exact fitment to the Nissan Altima is critical because throttle bodies interface with intake manifolds, throttle position sensors, and electrical harnesses. A unit that does not match OEM mounting points or connector types can cause air leaks, poor sensor readings, and increased installation time.
Confirming correct model-year coverage, connector pinouts, and throttle plate orientation reduces the risk of throwing diagnostic codes or needing additional adapters. End users often prefer parts that replicate original dimensions to ensure predictable throttle behavior and to avoid reprogramming the engine control module.
Airflow Characteristics
Airflow response affects acceleration and idle stability. Throttle bodies with consistent, predictable airflow across the throttle range help maintain smooth throttle transitions and reliable engine control responses.
Consider how bore size, throttle plate design, and internal surface finish influence airflow. Even small differences in flow patterns can change throttle sensitivity and require tuning or adaptation periods for the vehicle’s control system.
Actuator and Sensor Reliability
Modern throttle bodies often include an electric actuator and a throttle position sensor. The reliability of these components determines long-term throttle response accuracy and whether the vehicle will register faults.
Look for robust actuators with stable torque output and sensors that provide consistent voltage or position signals. Poorly performing sensors can cause intermittent limp-home modes or degraded fuel and ignition control, so sensor quality materially affects overall driveability.
Material Quality and Durability
Materials and construction influence how a throttle body stands up to heat cycles, vibration, and exposure to intake contaminants. Corrosion-resistant alloys and well-sealed housings reduce the chance of early failure or sticking plates.
Durable bearings or bushings in the throttle shaft and quality finishes on mating surfaces prevent wear that can lead to air leaks or uneven plate movement. Prioritizing build quality helps minimize long-term maintenance and potential for malfunction.
Ease of Installation and Serviceability
Installation factors such as included gaskets, correct torque specifications, and accessible electrical connectors reduce labor time and error. Parts that require minimal adaptation simplify the replacement process and lower the risk of vacuum leaks or misrouting hoses.
Serviceability matters if you plan to clean or rebuild components later. Units designed to allow access to the throttle plate area or that accept standard rebuild kits can extend service life and provide better value over time.
Calibration and ECU Adaptation
After installation, the vehicle’s engine control unit may need to relearn idle and throttle position parameters. Some throttle bodies match stock calibration more closely, reducing the time required for adaptation and lowering the chance of persistent idle issues.
Consider whether the replacement respects the original sensor output ranges and whether the vehicle supports a simple adaptation procedure. Units that demand extensive calibration or custom tuning can complicate installation and affect day-to-day drivability.
FAQ
What are common symptoms of a failing Nissan Altima throttle body?
Common signs often include rough or fluctuating idle, reduced throttle responsiveness, and sporadic stalling. You may also notice illuminated warning lights or inconsistent engine power under load. These symptoms usually depend on whether the issue is electrical, mechanical, or due to contamination.
Can cleaning the throttle body fix driveability problems?
Cleaning can help when carbon buildup or grime impedes throttle plate movement or airflow. It often improves idle stability and throttle response if the issue is contamination. However, cleaning will not resolve failures of the actuator or position sensor, and persistent faults may require replacement.
How do throttle position issues affect the Nissan Altima?
When the throttle position sensor or actuator reports inaccurate data, the engine control unit may mismanage air-fuel delivery and idle control. That can lead to rough running, hesitation, or limp-home modes. Diagnosis usually involves checking sensor signals and confirming smooth mechanical plate movement.
Is a rebuild kit a viable option for a malfunctioning throttle body?
A rebuild kit can be practical if the problem is limited to wear items such as shaft bushings or throttle plate seals. Kits are useful when the housing, actuator, and sensors remain serviceable. If electrical components or the actuator are compromised, a full replacement may be more reliable.
Will replacing the throttle body require ECU programming?
Often the ECU can relearn throttle positions through standard adaptation routines without special programming. In some cases, a brief idle relearn or drive cycle is enough to restore normal operation. Complex replacements or aftermarket units that alter sensor ranges might need additional calibration steps.
How should I prepare my Nissan Altima for throttle body replacement?
Park the car on a level surface, disconnect the battery if recommended, and gather basic hand tools and any required gaskets. Inspect intake hoses and connectors while the component is out to ensure no vacuum leaks or damaged wiring. Having the vehicle’s service manual or adaptation procedure handy can simplify post-installation steps.
How We Chose the Best Nissan Altima Throttle Body
We focused on items that match the exact Nissan Altima throttle body specifications to avoid fitment problems and excessive installation adjustments. Key filters included verified vehicle fitment, accurate throttle plate alignment, and actuator compatibility for electronically controlled systems. Performance considerations emphasized steady airflow delivery across operating ranges and consistent idle control under typical load conditions. Durability factors included corrosion-resistant materials, reliable electrical connectors, and serviceable components where applicable. Ease of installation and availability of mounting hardware or gaskets were also considered because they affect labor time and potential for vacuum leaks. We excluded parts that required significant vehicle wiring modification or that lacked clear fitment documentation for the Nissan Altima. Units with known warranty or calibration concerns were also filtered out. The resulting shortlist balances fitment, airflow behavior, build quality, and installation practicality.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a Nissan Altima throttle body, prioritize correct fitment, reliable actuator and sensor performance, and airflow characteristics that match the vehicle’s needs. These factors most directly affect idle stability and throttle responsiveness. Balance material quality and ease of installation against long-term serviceability. If you encounter persistent fault codes or erratic behavior after installation, focus on sensor signals and adaptation procedures before assuming the replacement is faulty.
Explore More:
- Check out all Nissan Altima parts & accessories
- Explore Engine
- Browse all Auto Parts
