Nissens 955259 Fuel Injection Throttle Body

Nissens 955259 Fuel Injection Throttle Body

The Nissens 955259 fuel injection throttle body is an OEM-equivalent replacement built for precise electronic throttle control and stable engine response. It is engineered for 12-volt electric operation and includes an integrated idle air control motor, throttle position sensor, and O-ring for a cleaner service replacement.

Key Features

• OEM equivalent grade for OE-style fit and function
• Electric throttle body with 12-volt operation
• Integrated throttle position sensor and idle air control motor
• Aluminum/plastic construction for application-specific durability
• 5-pin oval connector
• O-ring included; gasket or seal not included
• Inlet diameter: 2.6; outlet diameter: 2.24

Detailed Description

Nissens 955259 is a fuel injection throttle body designed for vehicles that use electronic throttle control. It is tested through functional, high-temperature endurance, durability, load, and corrosion evaluations to support consistent operation under demanding conditions. This part cross-references A2C59514650 and TB1097 for the same application. If you are servicing an Audi Q7, Audi A6 Quattro, Audi A7 Quattro, Audi A8 Quattro, Audi Q5, or Volkswagen Touareg, this throttle body provides a direct OE-style replacement path. The Nissens 955259 part number is also useful when matching the original unit during diagnosis or replacement.

Common Issues This Part Can Address

• Unstable or erratic idle caused by throttle body wear
• Delayed throttle response from a failing electronic throttle assembly
• Check engine light related to throttle position or airflow control faults
• Rough running from contamination or internal throttle body degradation
• Driveability concerns tied to a malfunctioning idle air control circuit

Installation Notes and Tips

Verify connector style, pin count, inlet and outlet dimensions, and OE cross-reference before installation. This unit uses a 5-pin oval connector and includes an O-ring, but mounting hardware and gasket or seal are not included. After installation, perform the required throttle relearn or adaptation procedure if specified by the vehicle manufacturer. Confirm fitment for your exact application, including 2014-2016 Audi A6 Quattro, 2014-2016 Audi A7 Quattro, 2014-2016 Audi A8 Quattro, 2014-2016 Audi Q5, 2013-2016 Volkswagen Touareg, and 2013-2015 Audi Q7.

Quality Assurance

Nissens validates this throttle body through functional, endurance, durability, load, and corrosion testing to support long-term service life and OE-matching performance. The Nissens 955259 is built to meet the expectations of drivers and technicians replacing an original electronic throttle body with an OEM-equivalent part.