The 2018 Audi RS3 has 25 electrical parts with verified fitment on this page — 8 part types and 18 brands, covering the 2.5L L5 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2018 Audi RS3, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 18 parts of the 25 listed are Battery (9 parts), Starter Motor (5 parts) and Rain Sensor (4 parts). The other 5 part types cover the remaining 7 parts.
The 2018 Audi RS3 came with a single engine, the 2.5L L5 Turbocharged, and every part is verified against it.
18 brands supply electrical parts for the 2018 Audi RS3, led by VEMO (5 parts), ACDELCO (2 parts) and BOSCH (2 parts), plus 15 more brands. Quality grades include AGM, Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Audi RS3. 3 parts have it, including DEKA 9A94R (Battery) and WAI GLOBAL 30236N (Starter Motor). Each part number opens a page with 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.
This group shows a single part: 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 are listed for the 2018 Audi RS3, from ACDELCO, DEKA, FVP and 5 other brands. DEKA 9A94R carries the "Popular" badge.
The AGM (Extended Life) section lists 8 options from ACDELCO, DEKA, FVP and 4 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A94R is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT85094R is listed in this group.
Part numbers include DEKA 9A94R, FVP P94RAGM and ACDELCO 94RAGMHR, among others listed 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 for the 2018 Audi RS3 come from 2 brands — DORMAN and HELLA.
Listed part numbers: DORMAN 601702 and HELLA 358158001.
Cruise Control Distance Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10720539 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Number of Pins: 8To 02/04/2019 | View on Amazon |
This table covers the Cruise Control Distance 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.
One part is listed for the 2018 Audi RS3 — VEMO V10720539.
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.
This group shows a single part: 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 for the 2018 Audi RS3 come from 2 brands — HELLA and STANDARD MOTOR PRODUCTS.
Listed part numbers: HELLA 358141711 and STANDARD MOTOR PRODUCTS PPS120.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10721603 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 11/20/2017 | View on Amazon |
| VEMO | V10721602 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO | V10721604 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Holder | View on Amazon |
| VNE | 700035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
4 Rain Sensor parts for the 2018 Audi RS3 come from 2 brands — VEMO and VNE.
Listed part numbers: VEMO V10721603, VEMO V10721602 and VEMO V10721604, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular | 30236N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BOSCH | SR6601N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY | 19630 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 52186 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | 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.
5 Starter Motor parts for the 2018 Audi RS3 come from 5 brands — WAI GLOBAL, BOSCH, PURE ENERGY and 2 other brands. The "Popular" part is WAI GLOBAL 30236N.
The New section lists 2 options from WAI GLOBAL and BOSCH — brand-new units rather than rebuilt ones. WAI GLOBAL 30236N is listed in this group.
The Remanufactured section lists 3 options from PURE ENERGY, REMY and TERREPOWER — factory-rebuilt units with new wear components. PURE ENERGY 19630 is listed in this group.
Part numbers include WAI GLOBAL 30236N, BOSCH SR6601N and PURE ENERGY 19630, among others listed above.
Buying Electrical Parts for a 2018 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 2018 Audi RS3?
Our catalog currently lists 25 electrical parts for the 2018 Audi RS3 across 8 subcategories and 18 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 2018 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 2018 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 2018 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 2018 Audi RS3
Electrical Parts for Other Audi RS3 Years
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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.