5303-710-0509 K03-1870EXA Turbocharger Core for Audi A6 2.7L V6

This aftermarket 5303-710-0509 turbocharger core is a replacement assembly for Audi A6 2.7L V6 engines, including AJK, ARE, BES, and AGB applications. It features a K03-1870EXA 4 82 turbo model configuration with a central cast housing, polished flange ring, and splined shaft tip. Verify the OEM reference 53037100509 and engine code against your specific vehicle before ordering to ensure correct fitment.

Key Specifications

• Part Number: 5303-710-0509
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: K03-1870EXA 4 82
• OEM Reference: 53037100509
• Gross Weight: 2 kg
• Application Clues: Audi A6 2.7L V6 (AJK, ARE, BES, AGB)
• Image Availability: High-resolution studio photos showing the central cast housing, polished flange ring, and splined shaft tip. Use these visual cues to verify housing orientation and bolt hole patterns against your existing assembly before ordering.

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 A6 2,7 T (C5) RIGHT SIDE > AUDI ARE V6 250HP
• AUDI > AUDI ALL ROAD 2 7 TDI BITURBO RIGHT SIDE > AUDI 2,7L-V6 5V 250HP

This core is listed for Audi A6 2.7L V6 applications, including AJK, ARE, BES, and AGB engine codes. It is also associated with Audi A6 2.7 T (C5) and Audi Allroad 2.7 TDI biturbo configurations. Use the OEM reference 53037100509 and part number 5303-710-0509 to verify fitment against your specific vehicle. Confirm the engine code, production year, and turbo configuration before ordering. Technical fitment support is available to help buyers validate application details.

Technical Notes

The K03-1870EXA 4 82 configuration is a fixed-geometry turbocharger design. This core assembly includes the central cast housing, polished flange ring, and splined shaft tip visible in the product images. Buyers should inspect the compressor and turbine housings for damage before installing the new core. Verify that the bearing housing seals are intact and that the shaft spins freely without binding. Use the visible bolt hole pattern and flange orientation to confirm alignment with the existing assembly. Technical fitment support is available to assist with these verification steps.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 5303-710-0509 K03-1870EXA core. Technical fitment support is available to help verify engine codes, vehicle applications, and OEM reference 53037100509 before ordering. For bulk inquiries or specific application validation, contact our team to confirm details against your service records.