Nissens 93021 Turbocharger

Nissens 93021 Turbocharger for Audi and Volkswagen

The Nissens 93021 turbocharger is built for direct replacement on select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications. It combines an aluminum housing with oil- and water-cooled center housing support to help maintain stable turbo operation under demanding engine conditions.

Key Features

• Turbocharger assembly from Nissens
• Part number: 93021
• Aluminum construction
• Oil & watercooled center housing cooling type
• Gasket or seal included
• Cylinder bearing type
• Sensor not included
• Cross-reference part number: 030TC14306100

Detailed Product Overview

Nissens 93021 is an aftermarket turbocharger engineered for vehicles that require a precise OE-style replacement. It is listed for 1997-2006 Audi A4, 1997-2005 Audi A4 Quattro, and 1998-2005 Volkswagen Passat applications, making it a strong fitment match for drivers searching for a turbocharger for Audi A4 1.8T, Audi A4 Quattro turbo replacement, or Volkswagen Passat turbocharger replacement. The aluminum housing supports efficient packaging and heat management, while the oil- and water-cooled center housing helps manage operating temperatures in turbocharged engines. Nissens develops engine efficiency components with a focus on consistent manufacturing quality across its range.

What This Turbocharger Helps Address

• Loss of boost pressure
• Excessive turbo shaft play or bearing wear
• Oil leakage at the turbocharger assembly
• Coolant-related turbo overheating concerns
• Reduced engine performance from a failing turbocharger

Installation Notes and Tips

Confirm engine code, OE number, and connector or sensor requirements before installation. This turbocharger includes a gasket or seal, and the sensor is not included, so reuse or replacement of related components should be verified during service. Clean oil supply and return passages, inspect intercooler plumbing, and check for contamination in the intake and exhaust system before fitting the replacement unit. This part cross-references 917150 for the same application.

Quality Assurance

Nissens positions its products around Genuine Nissens Quality, with development and manufacturing focused on thermal and engine efficiency components for the aftermarket. Part number 93021 is built to meet the needs of the listed Audi A4, Audi A4 Quattro, and Volkswagen Passat applications.