Nissens 955229 Fuel Injection Throttle Body

Nissens 955229 Fuel Injection Throttle Body

Nissens 955229 is an OEM-equivalent fuel injection throttle body built for precise air control and stable engine response. It is tested for functional performance, high-temperature endurance, durability, load, and corrosion resistance to support long, trouble-free operation in Toyota Corolla, Prius, Prius Prime, and related applications.

Key Features

• OEM equivalent throttle body for fuel injection systems
• Aluminum/plastic construction for balanced strength and weight
• Includes throttle position sensor and idle air control motor
• 12-volt unit with 6-pin rectangular connector
• O-ring included for sealing at installation
• Inlet diameter: 2.56 in; outlet diameter: 2.17 in
• Cross-references Spectra Premium TB1111 for the same application

Detailed Description

This Nissens throttle body, part number 955229, is engineered to match OE-style fit and function for a wide range of Toyota and Lexus hybrid and compact applications. It is used in vehicles such as the Toyota Corolla, Toyota Prius, Toyota Prius Prime, Lexus CT200h, and Toyota Matrix, where accurate throttle control is critical for smooth idle quality, throttle response, and consistent drivability. The integrated throttle position sensor and idle air control motor help maintain proper airflow management through the fuel injection system.

Nissens validates this part through endurance and corrosion testing to support dependable operation in demanding underhood conditions. The aluminum/plastic housing and OEM-equivalent grade make it a practical replacement for worn or malfunctioning throttle bodies on 2010-2025 Toyota Prius, 2012-2025 Toyota Corolla, and other listed applications. Part number 955229 is also referenced by several OE and aftermarket numbers, including Spectra Premium TB1111.

Vehicle Fitment

• Fits 2012-2025 Toyota Corolla, N/A
• Fits 2010-2022 Toyota Prius, N/A
• Fits 2019-2022 Toyota Prius AWD-e, N/A
• Fits 2017-2022 Toyota Prius Prime, N/A
• Fits 2017-2018 Toyota Corolla iM, N/A
• Fits 2011-2017 Lexus CT200h, N/A
• Fits 2012-2017 Toyota Prius V, N/A
• Fits 2016 Scion iM, N/A
• Fits 2012-2015 Toyota Prius Plug-In, N/A
• Fits 2012-2013 Toyota Matrix, N/A
• Fits 2011 Toyota Corolla, N/A, From 12/2010
• Fits 2011 Toyota Matrix, N/A, From 12/2010

Common Issues This Part Can Address

• Rough or unstable idle caused by throttle body wear
• Delayed or inconsistent throttle response
• Driveability problems related to airflow metering
• Throttle position sensor faults tied to the throttle body assembly
• Idle control concerns in fuel-injected Toyota and Lexus applications

Installation Notes and Tips

Verify connector style, pin count, inlet and outlet dimensions, and vehicle application before installation. This throttle body includes an O-ring, but mounting hardware and gasket or seal are not included. Clean the intake mating surface thoroughly and inspect the intake tract for carbon buildup or vacuum leaks before fitting the replacement.

Quality Assurance

Nissens subjects this throttle body to functional, high-temperature endurance, durability, load, and corrosion testing to support OE-style performance. The result is a replacement built for consistent operation in the listed Toyota Corolla, Prius, Prius Prime, and Lexus CT200h applications.