454231-0002 GT1749V Turbocharger Replacement for Audi A6 1.9 TDI (ATJ)

This aftermarket 454231-0002 GT1749V turbocharger is a replacement unit for the Audi A6 1.9 TDI (ATJ) engine. It serves as a reference application for OEM numbers such as 028145702R and 038145702L, requiring verification of the old unit's part number and engine code before ordering.

Key Specifications

• Part Number: 454231-0002
• Product Type: Turbocharger
• Turbo Model: GT1749V
• Application Clue: Audi A6 1.9 TDI (ATJ)
• Packing Dimensions: 21*23*26 cm
• Gross Weight: 10 kg
• OEM Reference Numbers: 028145702R, 038145702L, AR0111

These specifications provide the core data points for initial identification. Buyers should use the part number and turbo model as primary identifiers, while reference checking the listed OEM numbers against the existing unit to confirm the correct replacement application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• AUDI > AUDI A6 1 9 TDI (C5) > AUDI ATJ

This turbocharger is listed for the Audi A6 1.9 TDI (ATJ) engine application. Buyers should verify the engine code ATJ and vehicle model against the old unit before ordering. The reference application includes OEM numbers such as 028145702R and 038145702L. Use these numbers to confirm the correct replacement application. Do not assume fitment without checking the existing turbo model and part number. Technical fitment support is available to assist with verification.

Technical Notes

Typical configuration may include VNT design and oil-cooled system (verify per application). The GT1749V model is associated with variable-geometry turbine vanes, which generally help manage airflow efficiency and reduce lag in diesel applications. Buyers should confirm the specific vane configuration and cooling setup on the existing unit before finalizing an order. Cross-reference the old turbo's part number 454231-0002 and OEM references such as 028145702R to ensure the replacement matches the required technical specifications. Technical fitment support is available to assist with configuration verification.

B2B Supply

LeadTurbo supports B2B buyers sourcing the 454231-0002 GT1749V turbocharger for Audi A6 1.9 TDI (ATJ) applications. Volume pricing is available for repair shops, rebuilders, and distributors ordering multiple units. Worldwide shipping is supported to ensure reliable logistics for international parts buyers. Technical fitment support is available to help verify part numbers, OEM reference numbers such as 028145702R, and engine codes before finalizing orders. This service helps reduce returns and ensures the correct replacement application is selected for each vehicle.