New Audi A4 1.9 TDI Turbo – Ref. 454231-5008S
- 100% secure online payment
- Delivery to your garage or home, anywhere in Europe
- 12-month parts warranty
- Reconditioned and checked turbo
- Part
- Turbo
- Part type
- New turbo
- Make
- Audi
- Model
- A4
- Engine
- 1.9 TDI 115, 1.9 TDI 116
- Fuel
- Diesel
- Equivalent references
- 454231-5008S, 028145702L, 028145702LV, 028145702LX, 028145702R, 028145702RU, 028145702RV, 028145702RV225, 028145702RV500, 028145702RV550, 028145702RX, 035145702H, 035145702HV, 035145702HX, 038145702L, 038145702LU, 038145702LV, 038145702LX, 454231-5005S, 454231-5006S, 454231-5013S
- Warranty
- 12 months
An expert is here to help
Not sure you've found the right part?
Diagnosing a failing turbo on an Audi A4 1.9 TDI before replacement
Before ordering a new turbo for an Audi A4 1.9 TDI, it is essential to confirm that the turbocharger is actually at fault. On this engine, which is fitted with a variable geometry system, the most common symptoms are a noticeable loss of power at high speed or under sustained acceleration, the vehicle entering limp mode, an unusual whistling noise, or abnormal exhaust smoke. A diagnostic scan will allow you to check for boost pressure fault codes before concluding that there is a mechanical turbo failure. It is also worth checking the N75 solenoid valve, the vacuum hoses and the EGR valve, as these components can produce symptoms very similar to a turbo fault without the cartridge itself being damaged.
Compatibility of the new turbo for Audi A4 1.9 TDI
This new turbo is compatible with the Audi A4 fitted with the 1.9 TDI 115 and 116 hp engines, associated with engine codes AJM and ATJ. Before placing an order, we recommend checking the reference number on your old turbo as well as the engine code on the identification plate or service book, to ensure full compatibility with your vehicle.
Warranty and delivery of this Audi A4 turbo
This turbo is new and sold as a straightforward purchase: no old unit needs to be returned — the turbo is delivered directly to you. The new turbo comes with a 12-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over up to 10 instalments.
Fitting advice for the Audi A4 1.9 TDI
On this type of diesel engine, turbo failure is often caused by insufficient lubrication, poor-quality or infrequently changed oil, a clogged air filter, or an intercooler that is not sealing correctly. Before fitting, it is essential to check the oil circuit, the intake and exhaust hoses, and the air intake, to prevent any contamination of the new turbo. When starting the engine for the first time, priming with oil is recommended to ensure correct lubrication from the very first revs.
This same turbo also fits
Diagnosing a failing turbo on an Audi A4 1.9 TDI before replacement
Before ordering a new turbo for an Audi A4 1.9 TDI, it is essential to confirm that the turbocharger is actually at fault. On this engine, which is fitted with a variable geometry system, the most common symptoms are a noticeable loss of power at high speed or under sustained acceleration, the vehicle entering limp mode, an unusual whistling noise, or abnormal exhaust smoke. A diagnostic scan will allow you to check for boost pressure fault codes before concluding that there is a mechanical turbo failure. It is also worth checking the N75 solenoid valve, the vacuum hoses and the EGR valve, as these components can produce symptoms very similar to a turbo fault without the cartridge itself being damaged.
Compatibility of the new turbo for Audi A4 1.9 TDI
This new turbo is compatible with the Audi A4 fitted with the 1.9 TDI 115 and 116 hp engines, associated with engine codes AJM and ATJ. Before placing an order, we recommend checking the reference number on your old turbo as well as the engine code on the identification plate or service book, to ensure full compatibility with your vehicle.
Warranty and delivery of this Audi A4 turbo
This turbo is new and sold as a straightforward purchase: no old unit needs to be returned — the turbo is delivered directly to you. The new turbo comes with a 12-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over up to 10 instalments.
Fitting advice for the Audi A4 1.9 TDI
On this type of diesel engine, turbo failure is often caused by insufficient lubrication, poor-quality or infrequently changed oil, a clogged air filter, or an intercooler that is not sealing correctly. Before fitting, it is essential to check the oil circuit, the intake and exhaust hoses, and the air intake, to prevent any contamination of the new turbo. When starting the engine for the first time, priming with oil is recommended to ensure correct lubrication from the very first revs.
This same turbo also fits
Frequently asked questions
Everything you need to know before ordering your part.
