This page lists 32 electrical parts for the 2019 Audi A3, across 5 part types, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2019 Audi A3, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery (15 parts), Parking Aid Sensor (6 parts) and Lighting Control Module (LCM) (5 parts). The other 2 part types cover the remaining 6 parts.
The 2019 Audi A3 was sold with both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2019 Audi A3 electrical parts are FVP (4 parts), ÜRO PARTS (4 parts) and DEKA (3 parts), plus 11 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
6 parts on this 2019 Audi A3 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DEKA 9A48 (Battery) and ÜRO PARTS 8V0998473A (Lighting Control Module (LCM)). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO Fits: 1.4L L4 Turbocharged | 439930 | 🇲🇽 MX | 180 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 1.4L L4 Turbocharged | 11076 | 🇲🇽 MX | Remanufactured | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged | MQA6193 | 🇲🇽 MX | Engine Number to : CZEATo 09/2020 | View on Amazon |
| PURE ENERGY Fits: 1.4L L4 Turbocharged | 11076 | 🇲🇽 MX | Remanufactured | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
4 Alternator / Generator parts are listed for the 2019 Audi A3, from VALEO, FVP, MARELLI and 1 other brand.
In the New grade, VALEO supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is VALEO 439930.
In the Remanufactured grade, FVP, MARELLI and PURE ENERGY supply 3 parts: factory-rebuilt units with new wear components. A representative part number is FVP 11076.
Listed part numbers: VALEO 439930, FVP 11076 and MARELLI MQA6193, plus the other parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 1.4L L4 Turbocharged | 9A48 | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: 1.4L L4 Turbocharged | PLN1AGM | 🇲🇽 MX | Platinum AGMBCI Group: 140R | View on Amazon |
| LUCAS Popular Fits: 1.4L L4 Turbocharged | LBAGM004A | 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| DEKA Fits: 1.4L L4 Turbocharged | 9A47 | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: 1.4L L4 Turbocharged | 9A140R | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 1.4L L4 Turbocharged | MXH5L247 | 🇲🇽 MX | Marathon MaxBCI Group 47 (H5) | View on Amazon |
| EXIDE Fits: 1.4L L4 Turbocharged | MXH6L348 | 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| FVP Fits: 1.4L L4 Turbocharged | P47AGM | 🇲🇽 MX | Platinum AGMBCI Group: 47 | View on Amazon |
| FVP Fits: 1.4L L4 Turbocharged | P48AGM | 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS Fits: 1.4L L4 Turbocharged | LBAGM001A | 🇲🇽 MX | BCI Group: 47AGM | View on Amazon |
| MOTORCRAFT Fits: 1.4L L4 Turbocharged | BAGMH4 | 🇲🇽 MX | Tested Tough AGM or Tested Tough MAX SeriesBCI Group 140R or BCI Group: 99R | View on Amazon |
| P1MAX Fits: 1.4L L4 Turbocharged | PMAGMH547 | 🇲🇽 MX | BCI Group 47 AGM680 CCA | View on Amazon |
| P1MAX Fits: 1.4L L4 Turbocharged | PMAGMH648 | 🇲🇽 MX | BCI Group 48 AGM760 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: 1.4L L4 Turbocharged | FT61047 | 🇲🇽 MX | BCI Group 47(Length X Width X Height) 9.49 In x 6.89 In x 7.48 In | View on Amazon |
| FULLRIVER Fits: 1.4L L4 Turbocharged | FT68048 | 🇲🇽 MX | BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 In | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
15 Battery parts for the 2019 Audi A3 come from 7 brands — DEKA, FVP, LUCAS and 4 other brands. The "Popular" part is DEKA 9A48.
In the AGM (Extended Life) grade, DEKA, FVP, LUCAS and 3 other brands supply 13 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT61047.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular Fits: 1.4L L4 Turbocharged | 8V0998473A | 🇲🇽 MX | LeftLED Headlight Module | View on Amazon |
| ÜRO PARTS Fits: 1.4L L4 Turbocharged | 8V0998473 | 🇲🇽 MX | LeftHeadlight DRL Light | View on Amazon |
| ÜRO PARTS Fits: 1.4L L4 Turbocharged | 8V0998474 | 🇲🇽 MX | Rightwith Xenon Headlamps | View on Amazon |
| ÜRO PARTS Fits: 1.4L L4 Turbocharged | 8V0998474A | 🇲🇽 MX | Rightwith LED Headlamps | View on Amazon |
| VEMO Fits: 1.4L L4 Turbocharged | V10730349 | 🇲🇽 MX | View on Amazon |
This table covers the modules that control the exterior lighting.
5 Lighting Control Module (LCM) parts are listed for the 2019 Audi A3, from ÜRO PARTS and VEMO. ÜRO PARTS 8V0998473A carries the "Popular" badge.
Listed part numbers: ÜRO PARTS 8V0998473A, ÜRO PARTS 8V0998473 and ÜRO PARTS 8V0998474, plus the other parts above.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 1.4L L4 Turbocharged | PPS120 | 🇲🇽 MX | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 1.4L L4 Turbocharged | PPS112 | 🇲🇽 MX | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | PPS212 | 🇲🇽 MX | Front Side | View on Amazon |
| VARIOUS MFR Fits: 1.4L L4 Turbocharged | AU1075104 | 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: 1.4L L4 Turbocharged | AU1075102 | 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: 1.4L L4 Turbocharged | AU1075103 | 🇲🇽 MX | Customer Paints to Match | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
6 Parking Aid Sensor parts are listed for the 2019 Audi A3, from STANDARD MOTOR PRODUCTS and VARIOUS MFR. STANDARD MOTOR PRODUCTS PPS120 carries the "Popular" badge.
Part numbers include STANDARD MOTOR PRODUCTS PPS120, STANDARD MOTOR PRODUCTS PPS112 and STANDARD MOTOR PRODUCTS PPS212, among others listed above.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 1.4L L4 Turbocharged | V10721602 | 🇲🇽 MX | View on Amazon | |
| VEMO Fits: 1.4L L4 Turbocharged | V10721604 | 🇲🇽 MX | with Holder | View on Amazon |
This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
VEMO supplies both parts for the 2019 Audi A3.
Listed part numbers: VEMO V10721602 and VEMO V10721604.
Buying Electrical Parts for a 2019 Audi A3
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Every electrical part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery and Parking Aid Sensor .
Frequently Asked Questions
How many electrical parts fit the 2019 Audi A3?
Our catalog currently lists 32 electrical parts for the 2019 Audi A3 across 5 subcategories and 14 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2019 Audi A3 engines?
Yes. Every electrical part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical problems on a 2019 Audi A3?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 Audi A3 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 Audi A3?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 Audi A3
Electrical Parts for Other Audi A3 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.