The Nissens heater core (part 73940) is a versatile replacement part compatible with Audi, Porsche, and Volkswagen models from the 1980s–1990s. It provides reliable cabin heating using premium materials and precision engineering. Cross-references include 171819031A/B/C/D.
Key Features & Benefits
- Multi-Vehicle Fit: Works with Audi 4000/Coupe/Quattro, Porsche 924, VW Cabriolet/Quantum, and more.
- Premium Materials: Aluminum core with corrosion-resistant coatings for extended durability.
- Efficient Heating: Optimized fin density ensures maximum heat output even in cold climates.
- OEM Quality: Manufactured to meet or exceed original specifications.
- Direct Fit: Engineered for a seamless installation.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| Volkswagen | Cabriolet | 1985–1993 | 1.8L4 |
| Volkswagen | Quantum | 1985–1988 | 2.2L5 |
| Porsche | 924 | 1987–1988 | 2.5L4 |
| Audi | Coupe | 1985–1987 | 2.2L5 |
| Audi | 4000 Quattro | 1985–1987 | 2.2L5 |
| Audi | 4000 | 1985–1987 | 1.8L4 |
| Volkswagen | Quantum | 1985 | 1.8L4 |
| Audi | Quattro | 1985 | 2.2L5 |
Technical Specifications
| Part Number | 73940 |
| OEM Cross-References | 171819031A, 171819031B, 171819031C, 171819031D, 171819031E |
Installation Notes
Direct replacement, no modifications required.
About NISSENS
Nissens is a leading manufacturer of automotive HVAC components, known for OE-quality parts and durable construction.
This part also goes by the following cross reference.
Cross Reference Part Number:
Fits These Vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| No vehicles listed for this group. | |||
| Make | Model | Engine | Years |
|---|---|---|---|
| Porsche | 924 | 2.5L4 | 1987–1988 |
| Make | Model | Engine | Years |
|---|---|---|---|
| No vehicles listed for this group. | |||