Alternator A6 A7 A8 Q7 Q8 Mild Hybrid
- DiPa Code:
- BATGEN002R
- OEM Code:
- 4N1903028
- Brand:
- DIPA SPORT
- Cod.Cross:
- Condition:
- Remanufactured
Applications
AUDI
AUDI A6 Allroad C8 (4AH)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| A6 Allroad C8 (4AH) | 2019-11-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DLZA |
AUDI A6 C8 (4A2)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| A6 C8 (4A2) | 2018-02-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DLZA |
| A6 C8 (4A2) | 2020-01-01 - | 2894 cc | 331 KW | 450 HP | 6 Cylinders | Benzina/Elettrico | DKMB |
AUDI A6 C8 Avant (4A5)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| A6 / S6 C8 Avant (4A5), A6 C8 Avant (4A5) | 2018-05-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DLZA |
| A6 / S6 C8 Avant (4A5), A6 C8 Avant (4A5) | 2020-01-01 - | 2894 cc | 331 KW | 450 HP | 6 Cylinders | Benzina/Elettrico | DKMB |
AUDI A7 Sportback (4KA)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| A7 / S7 Sportback (4KA), A7 Sportback (4KA) | 2017-10-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DLZA |
AUDI A8 D5 (4N2, 4N8, 4NC, 4NL)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| A8 / S8 D5 (4N2, 4N8, 4NC, 4NL), A8 D5 (4N2, 4N8, 4NC, 4NL), A8L D5 (4N2, 4N8, 4NC, 4NL) | 2017-06-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | CZSE |
| A8 / S8 D5 (4N2, 4N8, 4NC, 4NL), A8 D5 (4N2, 4N8, 4NC, 4NL), A8L D5 (4N2, 4N8, 4NC, 4NL) | 2018-05-01 - | 3996 cc | 338 KW | 460 HP | 8 Cylinders | Benzina/Elettrico | CXYA |
| A8 / S8 D5 (4N2, 4N8, 4NC, 4NL), A8 D5 (4N2, 4N8, 4NC, 4NL), A8L D5 (4N2, 4N8, 4NC, 4NL) | 2018-05-01 - | 3996 cc | 338 KW | 460 HP | 8 Cylinders | Benzina/Elettrico | DWPA |
| A8 / S8 D5 (4N2, 4N8, 4NC, 4NL), A8 D5 (4N2, 4N8, 4NC, 4NL), A8L D5 (4N2, 4N8, 4NC, 4NL) | 2019-02-01 - | 3996 cc | 420 KW | 571 HP | 8 Cylinders | Benzina/Elettrico | CWWB |
| A8 / S8 D5 (4N2, 4N8, 4NC, 4NL), A8 D5 (4N2, 4N8, 4NC, 4NL), A8L D5 (4N2, 4N8, 4NC, 4NL) | 2019-02-01 - | 3996 cc | 420 KW | 571 HP | 8 Cylinders | Benzina/Elettrico | DWKA |
AUDI Q7 (4MB, 4MG, 4MQ)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| Q7 (4MB, 4MG, 4MQ) | 2019-07-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DCBD |
| Q7 (4MB, 4MG, 4MQ) | 2020-02-01 - | 3996 cc | 373 KW | 507 HP | 8 Cylinders | Gasoline | DCUE |
| Q7 (4MB, 4MG, 4MQ) | 2020-02-01 - | 3996 cc | 373 KW | 507 HP | 8 Cylinders | Gasoline | DWRB |
AUDI Q8 (4MN, 4MT)
| Model | Year of Production | Displacement | KW | HP | Cylinders | Fuel Type | Engine Code |
|---|---|---|---|---|---|---|---|
| Q8 (4MN, 4MT) | 2018-02-01 - | 2995 cc | 250 KW | 340 HP | 6 Cylinders | Benzina/Elettrico | DCBD |
Techinical Info
The code VAG 4N1903028 identifies a 48 V belt-driven motor-generator, also called a BSG (Belt Starter Generator). The component is used in Audi mild-hybrid systems and replaces the traditional 12 V alternator, also integrating the combustion engine starting function.
It is connected to the vehicle's 48 V electrical network, the dedicated lithium-ion battery, the DC/DC converter and the electronic management of the mild-hybrid system. The unit is driven by the accessory belt and is liquid-cooled.
The component is a complex electromechanical unit equipped with internal control electronics and a power inverter. Its electrical output is not constant like in a conventional alternator, but is regulated according to the vehicle's energy demands and the engine control unit strategies.
Technical characteristics
- High-power electromechanical unit.
- 48 V mild-hybrid system.
- Output up to approximately 250 A.
- Dedicated electronic control for managing generation, energy recuperation and assistance phases to the combustion engine.
- Driven by a Poly-V belt (six-rib).
DIPA can intervene to overhaul these components thanks to its experience and expertise.
Functions
- Starts the combustion engine during Start&Stop phases.
- Recovers energy during coasting and braking phases to recharge the 48 V battery.
- Generates electrical energy for the mild-hybrid system according to the vehicle's demands.
- Supports the combustion engine during restart and acceleration phases.
- Allows faster and less noticeable engine restarts compared to a conventional starter motor.
- Works with the DC/DC converter to keep the 12 V electrical network powered.
Model applications
- AUDI A6/A7/A8/Q7/Q8
Common faults
- Irregular starts and/or Start&Stop not functioning,
- Error messages related to the mild-hybrid system
- Reduced energy recuperation during coasting.
Final conclusions
The VAG 4N1903028 is a 48 V liquid-cooled motor-generator intended for Audi mild-hybrid systems. The component performs electrical generation, energy recuperation, combustion engine starting and management of Start&Stop strategies.
DIPA offers a wide range of Automotive spare parts: from original parts to aftermarket ones selected among the best manufacturers on the market. Moreover, it has remanufactured components with like-new performance that provide savings on replacement and contribute to environmental protection through the circular economy. If the spare part you need is not available, don't worry: DIPA can overhaul your part on demand, restoring full functionality and safety in a short time.