HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsGlobal Parts 1816089 Fuel Injection Throttle Body
Part #: 1816089

Global Parts 1816089 Fuel Injection Throttle Body

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, GS350 and GS450h
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Global Parts Fuel Injection Throttle Body

The Global Parts Fuel Injection Throttle Body, part number 1816089, is designed specifically for Lexus GS350 and GS450h models. This component plays a critical role in regulating air intake for optimal engine performance and fuel efficiency.

  • Compatible with Lexus GS350 and GS450h models
  • Part number 1816089 ensures precise fitment
  • Direct replacement for original throttle body
  • Manufactured by Global Parts for consistent quality
  • Supports proper air and fuel delivery in fuel injection systems

Detailed Product Description

The Global Parts Fuel Injection Throttle Body (1816089) is engineered to meet the specifications required by Lexus GS350 and GS450h vehicles. This throttle body controls the amount of air entering the engine, which is essential for maintaining the correct air-fuel mixture. Proper function of this component helps maintain engine responsiveness, fuel economy, and emissions compliance. Designed as a direct replacement, it integrates seamlessly with the existing fuel injection system and related components.

Common Applications and Problem Resolution

  • Restores proper throttle response in Lexus GS350 and GS450h
  • Resolves rough idling or stalling issues related to throttle body malfunction
  • Addresses engine hesitation or poor acceleration caused by faulty air intake regulation
  • Helps correct check engine light codes related to throttle position sensor or airflow
  • Improves fuel efficiency by ensuring accurate air delivery

Installation Notes and Tips

Installation of the Global Parts throttle body (part number 1816089) should be performed by a qualified technician familiar with Lexus GS350 and GS450h fuel injection systems. Ensure all electrical connectors and vacuum lines are properly reattached. Calibration or relearning procedures may be required after installation to optimize throttle response and engine performance.

Quality Assurance and Warranty

Global Parts manufactures this throttle body to meet OEM standards for fit and function. While specific warranty details are not provided, Global Parts products typically undergo rigorous quality control to ensure reliability and durability in automotive applications.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018LexusGS450h3.5LV6N/A
2017LexusGS3503.5LV6N/A
2017LexusGS450h3.5LV6N/A
2016LexusGS3503.5LV6N/A
2016LexusGS450h3.5LV6N/A
2015LexusGS450h3.5LV6N/A
2014LexusGS450h3.5LV6N/A
2013LexusGS450h3.5LV6N/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:

2203031070977-210S20205

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