HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition S20300 Fuel Injection Throttle Body
Part #: S20300

Standard Ignition S20300 Fuel Injection Throttle Body

⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota and Lexus, Avalon, RAV4, ES300h, NX300h, and Camry
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Overview of Standard Ignition Fuel Injection Throttle Body S20300

The Standard Ignition Fuel Injection Throttle Body S20300 is designed for precise air and fuel delivery in select Lexus and Toyota vehicles. Engineered to meet OEM specifications, this throttle body ensures reliable performance for models such as the Toyota Camry, Avalon, and Lexus NX300h.

  • Connector Gender: Female for secure electrical connections
  • Single Connector Quantity for streamlined installation
  • Terminal Gender: Male with 6 blade-type terminals for optimal conductivity
  • Compatible with multiple Lexus and Toyota models including Avalon, Camry, ES300h, NX300h, and RAV4
  • Part Number: S20300 for accurate identification and fitment

Detailed Product Description

This fuel injection throttle body from Standard Ignition is engineered to regulate airflow into the engine's intake manifold, ensuring efficient combustion and engine responsiveness. Featuring a female connector and six male blade terminals, it provides a reliable electrical interface that supports consistent throttle control. The single connector design simplifies wiring and reduces installation complexity. This part is specifically compatible with Lexus and Toyota vehicles such as the Avalon, Camry, ES300h, NX300h, and RAV4, making it a suitable replacement for maintaining factory performance standards.

Common Applications and Problem Resolution

  • Restores proper throttle response and engine idle stability
  • Resolves issues related to erratic acceleration or stalling
  • Addresses check engine light triggers caused by throttle body faults
  • Improves fuel efficiency by ensuring accurate air-fuel mixture
  • Eliminates rough idling and hesitation during acceleration

Installation Notes and Tips

Installation of the Standard Ignition S20300 throttle body requires basic mechanical skills and proper tools. Ensure the vehicle is turned off and cooled before beginning. Disconnect the battery to prevent electrical shorts. Carefully unplug the female connector and remove the old throttle body. Align the new throttle body and secure it according to manufacturer torque specifications. Reconnect the electrical connector, verify all connections are secure, and perform a throttle body relearn procedure if required by the vehicle’s ECU.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring durability and reliable operation. The S20300 throttle body undergoes rigorous quality control testing to verify fitment and function. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020LexusNX300h2.5LL4N/AFactory Relearn Procedure Required
2019LexusNX300h2.5LL4N/AFactory Relearn Procedure Required
2018LexusES300h2.5LL4N/AFactory Relearn Procedure Required
2018LexusNX300h2.5LL4N/AFactory Relearn Procedure Required
2018ToyotaAvalonELECTRIC/GASN/A
2018ToyotaRAV42.5LL4ELECTRIC/GASN/A
2017LexusES300h2.5LL4N/A
2017LexusNX300h2.5LL4N/A
2017ToyotaAvalonELECTRIC/GASN/A
2017ToyotaCamry2.5LL4ELECTRIC/GASN/A
2017ToyotaRAV42.5LL4ELECTRIC/GASN/A
2016LexusES300h2.5LL4N/A
2016LexusNX300h2.5LL4N/A
2016ToyotaAvalonELECTRIC/GASN/A
2016ToyotaCamry2.5LL4ELECTRIC/GASN/A
2016ToyotaRAV42.5LL4ELECTRIC/GASN/A
2015LexusES300h2.5LL4N/A
2015LexusNX300h2.5LL4N/A
2015ToyotaAvalonELECTRIC/GASN/A
2015ToyotaCamry2.5LL4ELECTRIC/GASN/A
2014LexusES300h2.5LL4N/A
2014ToyotaAvalonELECTRIC/GASN/A
2014ToyotaCamry2.5LL4ELECTRIC/GASN/A
2013LexusES300h2.5LL4N/A
2013ToyotaAvalonELECTRIC/GASN/A
2013ToyotaCamry2.5LL4ELECTRIC/GASN/A
2012ToyotaCamry2.5LL4ELECTRIC/GASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.