Click image to zoom
53039880016 K03-1870EXA Turbocharger Replacement for Audi A6 & A4
Aftermarket 53039880016 K03-1870EXA turbocharger for Audi A6 and A4 applications with AJK, ARE, BES, and AGB engines. Verify part number, engine code, and OEM references before ordering.
Show more cross references
078145701H 078145701L 078145701R 078145701S 078145703B 078145703C 078145703D 078145703H 078145703L 078145703R 078145703S 53039700016 5303-970-0016 5303-988-0016Subtotal: US$ 196.00
Send an InquiryThis aftermarket 53039880016 K03-1870EXA turbocharger is a replacement unit for Audi A6 and A4 vehicles equipped with AJK, ARE, BES, or AGB engines. It serves as an aftermarket replacement application for models such as the Audi A6 C5 and A4 B5 quattro, where buyers should verify part number 53039880016 and OEM references like 078145701H against their specific vehicle configuration before ordering.
Key Specifications
- Part Number: 53039880016
- Product Type: Turbocharger
- Turbo Model: K03-1870EXA 4 82
- Packing Dimensions: 21 x 23 x 26 cm
- Gross Weight: 6 kg
- OEM Reference Numbers: 078145701H, 078145703B, 5303-988-0016
- Application Clues: Audi A6, A4, and S4 models with AJK, ARE, BES, or AGB engines
- Image Availability: High-resolution studio shots showing compressor, turbine, and actuator
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- AUDI > AUDI A6 CAR > AUDI AJK ARE BES AGB 265HP
- AUDI > Audi A4 > Audi A4 B5 Sedan (8D2) quattro > Audi AJK
- AUDI > Audi A6 > Audi A6 Allroad quattro > Audi AJK
- AUDI > Audi A6 > Audi A6 C5 Avant (4B5) quattro > Audi AJK
- AUDI > Audi A6 > Audi A6 C5 Avant (4B5) > Audi AJK
- AUDI > Audi A6 > Audi A6 C5 Avant > Audi BES
- AUDI > Audi A6 > Audi A6 C5 Sedan (4B2) quattro > Audi AJK
- AUDI > Audi A6 > Audi A6 C5 Sedan (4B2) > Audi AJK
- AUDI > Audi A6 > Audi A6 C5 > Audi AGB
- AUDI > Audi A6 > Audi A6 C5 > Audi BES
- AUDI > Audi A6 > Audi ARE
- AUDI > Audi Allroad > Audi Allroad Quattro > Audi ARE
- AUDI > Audi S4 > Audi S4 B5 > Audi AGB
This K03-1870EXA 4 82 turbocharger is listed for Audi A6 and A4 applications with AJK, ARE, BES, or AGB engines. Reference applications include the Audi A6 C5 Sedan/Avant, A4 B5 quattro, and S4 B5. Buyers should verify part number 53039880016 and OEM references such as 078145701H or 078145703B against their specific vehicle configuration. Production year and engine code confirmation are recommended before ordering to ensure correct replacement application.
Technical Notes
The K03-1870EXA 4 82 turbocharger features a cast metal turbine housing and a machined compressor housing with a visible V-band style flange on the outlet. An actuator assembly is mounted on top of the compressor housing, connected via a pushrod related hardware to the wastegate. The center section includes visible oil feed and drain ports, along with a four-bolt flange on the turbine inlet. Buyers should verify these visible features against their existing unit to confirm the correct replacement application for Audi A6 or A4 models. Technical fitment support is available to assist with verifying specific configuration details before ordering.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 53039880016 K03-1870EXA turbocharger. Worldwide shipping is available for this 6 kg unit, packed in a 21x23x26 cm carton suitable for standard freight. Technical fitment support is provided to help verify part number 53039880016, engine codes such as AJK or BES, and OEM references like 078145701H before ordering. This service helps ensure the correct replacement application for Audi A6 and A4 models, reducing the risk of mis-shipment for fast-moving references.
Product FAQ
AUDI and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by AUDI.
Compatibility Verify part number 53039880016, engine code (AJK, ARE, BES, AGB), vehicle application, production year, and OEM reference numbers (e.g., 078145701H, 078145703B) before ordering. This is a reference application; confirm fitment with your specific vehicle configuration.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
