Vehicle fitment
Listed applications
1AUDI A4
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HEATER CORE OE REFERENCE
Primary OE8E1820031AUDI application
Verify dimensions, pipe layout, and HVAC-case interfaces before supply.OE and vehicle cross reference
8E1820031 Heater Core
Automotive heater core reference for AUDI A4.
Primary OE8E1820031
8E1820031Catalog 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 8E1820031
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
- 70226
- AVA
- AI6223/AIA6223
- NRF
- 54252