Marelli IWD144 Fuel Injector

Marelli IWD144 Fuel Injector Overview

The Marelli IWD144 fuel injector is a direct-fit fuel injection component for select Volkswagen and Audi applications. It is built for vehicles that need precise fuel delivery in the air and fuel delivery system, including Volkswagen Touareg, Volkswagen CC, Volkswagen Passat CC, Audi Q7, and Volkswagen Passat models.

Compatible With 2007-2017 Volkswagen Touareg, 2009-2012 Volkswagen CC, 2009-2012 Volkswagen Passat CC, 2007-2010 Audi Q7, and 2006-2009 Volkswagen Passat. This part number is also referenced as IWD144.

Key Features

• Fuel injector for the fuel injection system
• OE-style fitment for select Volkswagen and Audi vehicles
• Supports accurate fuel metering at the injector level
• Application coverage spans 2006-2017 model years
• Marelli part number IWD144 for identification and ordering

Detailed Description

The Marelli IWD144 is a replacement fuel injector used in gasoline fuel delivery systems where consistent atomization and delivery timing are required. It serves as a direct replacement option for specific Volkswagen Touareg, Volkswagen CC, Volkswagen Passat CC, Audi Q7, and Volkswagen Passat applications, helping maintain proper engine fueling across the listed model years. If you are searching for a fuel injector for a 2007-2017 Volkswagen Touareg or a fuel injector for a 2007-2010 Audi Q7, this part number should be matched to the exact engine and VIN-based application before purchase. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Hard starting caused by inconsistent fuel delivery
• Rough idle related to injector performance
• Misfire concerns tied to uneven fueling
• Poor throttle response from restricted or worn injectors
• Fuel trim issues caused by injector flow irregularities

Installation Notes and Tips

Verify engine code, injector style, and OE part match before installation. Clean the fuel rail and sealing surfaces, inspect related fuel system components, and follow factory service procedures for torque and adaptation steps. Because fitment varies by engine configuration, confirm the exact application for your Volkswagen Passat, Volkswagen Touareg, Volkswagen CC, Passat CC, or Audi Q7 before replacing the injector.

Quality Assurance

Marelli is an established OE and aftermarket supplier, and the IWD144 is cataloged for the listed vehicle applications. Confirm all fitment details against the vehicle’s build data to ensure the correct fuel injector is selected.