Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H
Turbo Turbocharger K03 is a brand-new, direct-fit replacement for Audi A4 and A4 Quattro 2.0L models (2005–2009), featuring water-cooled durability and floating bearing design. Priced at $304.38, it's ideal for restoring lost power and turbo response in daily-driven or high-mileage Audis.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- 100% new K03 turbocharger for Audi 2.0L TFSI
- Ductile iron housing withstands 700°C
- K418 alloy turbine wheel for 900°C stability
- Water-cooled with floating bearing design
- Exact fit for 06D145701H replacement
- Cast aluminum blades with air tightness
- One-year warranty included
Pros
- +Brand new, not remanufactured
- +High-temperature resistant materials
- +Direct OEM replacement fit
- +Affordable vs dealership parts
- +Includes full mounting hardware
Cons
- −Requires hose cleaning for warranty
- −Not designed for performance tuning
About Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H
What is Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H?
The Turbo Turbocharger K03 is a 100% new replacement unit designed specifically for Audi A4 and A4 Quattro 2.0L TFSI engines from 2005 to 2009, matching OEM part number 06D145701H. Built for front-engine placement, this turbocharger restores factory performance in vehicles experiencing lag, power loss, or boost failure. It features water cooling and a floating bearing system for reliable heat dissipation and smooth operation under high-stress conditions. Sold by Lab Work Auto, it comes with a one-year warranty and is ready for direct installation without modifications.
Key features
- Ductile Iron Housing — Made from QT450-10 material, withstands temperatures up to 700°C for long-term durability.
- K418 Alloy Turbine Wheel — Steel turbine resists oxidation and maintains stability at temperatures up to 900°C.
- Cast Aluminum Compressor Blades — Provide superior air tightness and corrosion resistance for efficient airflow.
- Water Cooling System — Ensures consistent thermal management for improved reliability over air-cooled units.
- Floating Bearing Design — Reduces friction and wear, supporting smooth high-speed rotation.
- Exact Fitment — Confirmed compatibility with Audi A4, A5, A6, Allroad, and Q5 2.0L models from 2005–2017.
- Clean Installation Required — Users must clean connecting hoses to prevent debris damage and preserve warranty.
Who is Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H for?
This turbocharger suits Audi owners and independent mechanics replacing failed OEM units in 2.0L TFSI engines. It’s ideal for DIYers with intermediate mechanical skills and access to turbo-specific tools. Performance enthusiasts seeking reliable daily drivability will appreciate its factory-matched output and build quality. It's also a cost-effective alternative to remanufactured cores or dealership parts.
How does Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H compare?
Compared to remanufactured turbos, this new K03 unit offers better long-term reliability and consistent performance. It outperforms standard polypropylene or generic alloy turbos with its high-grade ductile iron and K418 steel construction. While not a high-boost performance upgrade, it exceeds entry-level replacements in heat resistance and sealing integrity, making it a trusted choice for OEM-equivalent repairs.
Best use cases
- →Replace failed OEM turbo on Audi A4
- →Restore boost pressure and acceleration
- →Repair turbo lag or whining noise
- →Fix check engine or overboost codes
- →Maintain factory performance in Q5
Is Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H right for you?
This turbocharger is best for Audi A4 and Quattro owners experiencing turbo failure between 2005–2009. Ideal for DIY mechanics with intermediate skills who need a reliable, new replacement. Not recommended for modified engines seeking higher boost. Alternatives include remanufactured units or dealership OEM parts, which cost more and may vary in core quality.
How it compares: Compared to remanufactured turbos, this new K03 offers superior consistency and longevity. It outperforms budget air-cooled models with water cooling and high-grade alloys, making it a reliable middle-ground option for OEM-level performance and durability.
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What vehicles fit the Turbo Turbocharger K03 06D145701H?
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This turbo fits Audi A4, A4 Quattro, A5, A6, Allroad, and Q5 models with 2.0L TFSI engines from 2005 to 2017. Exact compatibility includes 2005–2009 A4 and 2011–2017 Q5. Always verify your engine code and OEM part number before installation.
Does this turbocharger come with a warranty?
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Yes, it includes a one-year limited warranty. However, warranty coverage requires proper installation, including cleaning of all intake and oil lines to prevent debris contamination that could damage the impeller or bearings.
How is this turbo cooled?
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It uses a water-cooling system integrated with the engine’s coolant circuit, which helps regulate temperature during operation and reduces thermal stress compared to air-cooled designs, improving longevity.
Is this a direct replacement for my failed turbo?
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Yes, it's a direct-fit replacement for the OEM 06D145701H unit. No modifications are needed. It mounts in the same position with identical flange and hose connections for front-engine placement.
Can I install this turbo myself?
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Yes, if you have intermediate mechanical skills and the proper tools. The process involves exhaust and intake disassembly, oil line replacement, and ECU reset. Cleaning all connecting hoses is critical to avoid damage.
How much does Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H cost?
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Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H is $304.38 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H in stock at Lab Work Auto?
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Yes, Turbo Turbocharger K03 Fit For Audi A4 A4 Quattro 2.0L 2005-2009 06D145701H is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-020795