27 Electrical parts are listed for the 2020 Audi RS3, in 8 part types, covering the 2.5L L5 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The electrical system on the 2020 Audi RS3 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery (9 parts), Starter Motor (9 parts) and Battery Current Sensor (2 parts). The other 5 part types cover the remaining 7 parts.
Every part on this page is matched to the 2.5L L5 Turbocharged — the only engine offered in the 2020 Audi RS3.
The most listed brands for 2020 Audi RS3 electrical parts are HELLA (4 parts), VEMO (4 parts) and VALEO (2 parts), plus 14 more brands. Quality grades include AGM, Remanufactured and New.
4 parts on this 2020 Audi RS3 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DEKA 9A94R (Battery) and BOSCH SR6601N (Starter Motor). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO | 443007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 180 Amps | 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.
One part is listed for the 2020 Audi RS3 — VALEO 443007.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A94R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular | P94RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 94R | View on Amazon |
| ACDELCO | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO | 94RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 94R | View on Amazon |
| BOSCH | S6587B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| EXIDE | MXH7L494R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| LUCAS | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| P1MAX | PMAGMH794R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 94R AGM800 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT85094R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 94R(Length X Width X Height) 12.36 In x 6.85 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.
9 Battery parts for the 2020 Audi RS3 come from 8 brands — ACDELCO, DEKA, FVP and 5 other brands. The "Popular" part is DEKA 9A94R.
In the AGM (Extended Life) grade, ACDELCO, DEKA, FVP and 4 other brands supply 8 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 9A94R.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: 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 FT85094R.
This group includes DEKA 9A94R, FVP P94RAGM and ACDELCO 94RAGMHR and the remaining parts above.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 601702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HELLA | 358158001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BoltedIntelligent Battery Sensor | View on Amazon |
This table covers the Battery Current 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.
2 Battery Current Sensor parts are listed for the 2020 Audi RS3, from DORMAN and HELLA.
Listed part numbers: DORMAN 601702 and HELLA 358158001.
Lane Departure Camera / Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10670037 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Number of Pins: 12From 11/26/2018 | View on Amazon |
This table covers the Lane Departure Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years.
One part is listed for the 2020 Audi RS3 — VEMO V10670037.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730349 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the modules that control the exterior lighting.
One part is listed for the 2020 Audi RS3 — VEMO V10730349.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 358141711 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorPlugged | View on Amazon |
| STANDARD MOTOR PRODUCTS | PPS120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | 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.
2 Parking Aid Sensor parts are listed for the 2020 Audi RS3, from HELLA and STANDARD MOTOR PRODUCTS.
Listed part numbers: HELLA 358141711 and STANDARD MOTOR PRODUCTS PPS120.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10721602 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO | V10721604 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 2020 Audi RS3.
This group includes VEMO V10721602 and VEMO V10721604.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular | SR6601N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAI GLOBAL Popular | 30236N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bosch Unit | View on Amazon |
| VALEO | 438339 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Start/Stop Feature2.2 Kilowatt | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 12791 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 12791 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16655 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 52230 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 011613291 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HELLA | 012528581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
9 Starter Motor parts are listed for the 2020 Audi RS3, from HELLA, BOSCH, WAI GLOBAL and 5 other brands. BOSCH SR6601N carries the "Popular" badge.
In the New grade, BOSCH, WAI GLOBAL and VALEO supply 3 parts: brand-new units rather than rebuilt ones. A representative part number is BOSCH SR6601N.
In the Remanufactured grade, FVP, PURE ENERGY, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is FVP 12791.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Listed part numbers: BOSCH SR6601N, WAI GLOBAL 30236N and VALEO 438339, plus the other parts above.
Buying Electrical Parts for a 2020 Audi RS3
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.
- Confirm you have the 2.5L L5 Turbocharged engine — every part on this page is matched to it.
- 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 Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2020 Audi RS3?
Our catalog currently lists 27 electrical parts for the 2020 Audi RS3 across 8 subcategories and 17 brands, covering the 2.5L L5 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2020 Audi RS3?
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 2020 Audi RS3 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 2020 Audi RS3?
Every part on this page is matched to the 2.5L L5 Turbocharged engine. 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 2020 Audi RS3
Electrical Parts for Other Audi RS3 Years
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