The 2018 Audi R8 has 35 electrical parts with verified fitment on this page — 4 part types and 21 brands, covering the 5.2L V10 engine. Each part includes a manufacturer part number and application notes.
On the 2018 Audi R8, 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 (19 parts), Parking Aid Sensor (10 parts) and Alternator / Generator (4 parts). The other 1 part type covers the remaining 2 parts.
The 2018 Audi R8 came with a single engine, the 5.2L V10, and every part is verified against it.
21 brands supply electrical parts for the 2018 Audi R8, led by ACDELCO (4 parts), FVP (3 parts) and DEKA (2 parts), plus 18 more brands. Quality grades include AGM and Performance AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Audi R8. 6 parts have it, including DEKA 9A94R (Battery) and STANDARD MOTOR PRODUCTS PPS34 (Parking Aid Sensor). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 10140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 10140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11413 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 42046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 for the 2018 Audi R8 come from 4 brands — FVP, PURE ENERGY, REMY and 1 other brand.
Part numbers include FVP 10140 and REMY 11413, among others listed above.
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 |
| LUCAS Popular | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| LUCAS Popular | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| ACDELCO | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO | 94RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 94R | View on Amazon |
| ACDELCO | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| BOSCH | S6587B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| BOSCH | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE | MXH7L494R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| EXIDE | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| FVP | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| MOTORCRAFT | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| P1MAX | PMAGMH794R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 94R AGM800 CCA | View on Amazon |
| P1MAX | PMAGMH849 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 49 AGM850 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 |
| FULLRIVER | FT89049 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 49(Length X Width X Height) 13.9 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.
19 Battery parts are listed for the 2018 Audi R8, from ACDELCO, DEKA, FVP and 6 other brands. DEKA 9A94R carries the "Popular" badge.
The AGM (Extended Life) section lists 17 options from ACDELCO, DEKA, FVP and 5 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 2 options 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.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PPS34 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith Paint to Match Spoiler | View on Amazon |
| VALEO Popular | 890001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Park Sensor | View on Amazon |
| DORMAN | 684014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| DORMAN | 684071 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| HELLA | 358141051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Angled3-Pin Connector | View on Amazon |
| SKP | SK684014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| ULTRA-POWER | 684014 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| VALEO | 890000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Park Sensor | View on Amazon |
| VEMO | V107210825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front OuterParking AID Repair Set, with Sensor, Connector and Repair Harness | View on Amazon |
| WELLS | 5S16509 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits RearPrimed | 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.
10 Parking Aid Sensor parts for the 2018 Audi R8 come from 8 brands — VALEO, DORMAN, STANDARD MOTOR PRODUCTS and 5 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PPS34.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10721604 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Holder | View on Amazon |
| VNE | 700035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Model or Coupe or Plus Coupe or Plus Model or RWS Model or Spyder | 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.
2 Rain Sensor parts for the 2018 Audi R8 come from 2 brands — VEMO and VNE.
Listed part numbers: VEMO V10721604 and VNE 700035.
Buying Electrical Parts for a 2018 Audi R8
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 5.2L V10 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 Parking Aid Sensor .
Frequently Asked Questions
How many electrical parts fit the 2018 Audi R8?
Our catalog currently lists 35 electrical parts for the 2018 Audi R8 across 4 subcategories and 21 brands, covering the 5.2L V10 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2018 Audi R8?
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 R8 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 R8?
Every part on this page is matched to the 5.2L V10 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 R8
Electrical Parts for Other Audi R8 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.