BorgWarner 53049880023 Turbocharger

BorgWarner Turbocharger for Audi TT Quattro

This BorgWarner turbocharger is an OE-quality replacement for 2003-2006 Audi TT Quattro applications with OE No. 06A145704QX. Built with a journal bearing center section and coolant-cooled housing, it supports factory-style turbo operation for the 1.8T platform.

• Brand: BorgWarner turbocharger
• Part number: 53049880023
• Journal bearing design for factory-style turbo support
• Coolant-cooled center housing
• Direct replacement for Audi TT Quattro applications with OE No. 06A145704QX
• Mounting hardware not included
• Gasket or seal not included
• Mounting bracket not included

OE-Style Replacement Details

BorgWarner supplies turbochargers to a wide range of OEM vehicle brands and offers aftermarket service turbochargers built for passenger car and light vehicle use. This 53049880023 turbocharger is intended for Audi TT Quattro models from 2003 through 2006 and cross-references OE numbers 06A145704Q and 06A145704QX for the same application. Use part number 53049880023 when verifying the correct replacement before installation.

Vehicle Fitment

• Fits 2003-2006 Audi TT Quattro, N/A, with OE No. 06A145704QX

Common Replacement Reasons

• Loss of boost pressure
• Excessive turbo shaft play
• Oil consumption related to turbo wear
• Coolant-side leakage at the turbo center housing
• Whining, rattling, or slow spool response

Installation Notes and Tips

Confirm OE number 06A145704QX and compare the original turbocharger before installation. Replace any required gaskets, seals, and related wear items separately, since they are not included. Clean the oil and coolant supply paths, inspect intercooler plumbing, and verify proper priming procedures to protect the new turbocharger.

Quality Assurance

BorgWarner is a long-established turbocharger manufacturer with OE supply experience across import and domestic vehicle platforms. This aftermarket turbocharger is built to OE-quality standards for the specified Audi TT Quattro fitment.