53037100504 K03-2072GAA 5 88 Turbocharger Core Replacement

This aftermarket replacement core, part number 53037100504, is a CHRA for K03-2072GAA 5 88 turbochargers used in Skoda Octavia and Audi A3 applications. It serves as a cost-effective internal rotating assembly for repair shops and B2B buyers verifying fitment against OEM reference 5303-710-0504.

Key Specifications

• Part Number: 53037100504
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: K03-2072GAA 5 88
• OEM Reference: 5303-710-0504
• Gross Weight: 2 kg
• Application Clues: Skoda Octavia 1998, Audi A3 1996 150HP

This core is an internal rotating assembly designed for K03-2072GAA 5 88 turbochargers. It is suitable for repair shops and B2B buyers who need to replace the CHRA while retaining existing housings and actuators. Verify the specific engine code and vehicle application against the supplied OEM reference 5303-710-0504 before ordering to ensure correct fitment for your Skoda or Audi application.

Application & Compatibility

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

• SKODA > SKODA OCTAVIA 1998 > AUDI A3 1996 150HP
• AUDI > AUDI TT 175HP 1998 > AUDI A3 2000 180HP

This core is listed for Skoda Octavia 1998 and Audi A3 1996 150HP applications. Additional application clues include Audi TT 175HP 1998 and Audi A3 2000 180HP, which may indicate cross-series usage. These paths serve as reference points for verification rather than confirmed fitment. Buyers should verify the specific engine code, production year, and OEM reference 5303-710-0504 against their vehicle data before ordering. Technical fitment support is available to help confirm the correct application for your specific K03-2072GAA 5 88 turbocharger configuration.

Technical Notes

The K03-2072GAA 5 88 turbo model is a fixed-geometry unit, distinct from variable-geometry designs. This core is supplied as a standalone CHRA, excluding turbine and compressor housings, shaft seals, and actuators. Buyers should verify that the existing housing and actuator are in serviceable condition before selecting a core-only repair. Confirm the specific engine code and OEM reference 5303-710-0504 against your vehicle data to ensure the correct internal assembly is ordered for your Skoda Octavia or Audi A3 application.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this 53037100504 core. Technical fitment support is available to help verify engine codes and OEM reference 5303-710-0504 before ordering. Repair shops and distributors can request quotes for bulk orders of K03-2072GAA 5 88 CHRA units. Confirm specific vehicle applications, such as Skoda Octavia or Audi A3, to ensure the correct replacement assembly is supplied for your inventory needs.