Vehicle fitment
Listed applications
1AUDI A3
2Q2
3Q3
4S3
5TT
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HEATER CORE OE REFERENCE
Primary OE4D0819030AUDI application
Verify dimensions, pipe layout, and HVAC-case interfaces before supply.OE and vehicle cross reference
4D0819030 Heater Core
Automotive heater core reference for AUDI A3 and Q2.
Primary OE4D0819030
4D0819030Catalog references support identification. Confirm the vehicle, dimensions, pipe geometry, mounting points, seals, and physical sample before final supply.
Aftermarket reference mapping
Cross-reference numbers for 4D0819030
Nissens, AVA, and NRF numbers are retained as aftermarket catalog references. They are not presented as original-equipment numbers and must be checked against the current catalog revision.
- Nissens
- 70225
- AVA
- AI6183