The 2023 Audi A8 has 43 electrical parts with verified fitment on this page — 3 part types and 17 brands, covering both the 3.0L V6 Turbocharged and the 4.0L V8 Turbocharged. Each part includes a manufacturer part number and application notes.
The electrical system on the 2023 Audi A8 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 43 listed parts are Battery (29 parts), Parking Aid Sensor (9 parts) and Starter Motor (5 parts).
The 2023 Audi A8 was sold with both the 3.0L V6 Turbocharged and the 4.0L V8 Turbocharged. 6 parts fit every engine; the other 37 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2023 Audi A8 electrical parts are ACDELCO (10 parts), DEKA (5 parts) and LUCAS (3 parts), plus 14 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
10 parts on this 2023 Audi A8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DEKA 9A47 (Battery) and HELLA 358270331 (Parking Aid Sensor). Click any part number to see every vehicle that part fits.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 3.0L V6 Turbocharged | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 3.0L V6 Turbocharged | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH Fits: 3.0L V6 Turbocharged | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA Fits: 3.0L V6 Turbocharged | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: 3.0L V6 Turbocharged | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged | BAGM95RH9 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group 95R or BCI Group: 95R/H9 | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: 3.0L V6 Turbocharged | FT68048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 In | View on Amazon |
| FULLRIVER Fits: 3.0L V6 Turbocharged | 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 |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 4.0L V8 Turbocharged | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| DEKA Popular Fits: 4.0L V8 Turbocharged | 9A49 | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| ACDELCO Fits: 4.0L V8 Turbocharged | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 4.0L V8 Turbocharged | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: 4.0L V8 Turbocharged | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 4.0L V8 Turbocharged | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH Fits: 4.0L V8 Turbocharged | S6588B | 🇲🇽 MX | AGMAGM | 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.
29 Battery parts for the 2023 Audi A8 come from 8 brands — ACDELCO, DEKA, LUCAS and 5 other brands. The "Popular" part is DEKA 9A47. AGM (Extended Life) and Performance AGM (Extended Life + Increased Power) are all represented, and AGM (Extended Life) alone accounts for 20 parts.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.0L V6 Turbocharged | 358270331 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorPlugged | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2023 A8 engines | PPS211 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged | 358141711 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorPlugged | View on Amazon |
| TECHPRO Fits: all 2023 A8 engines | AU1075107 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontImpact Sensor | View on Amazon |
| TECHPRO Fits: all 2023 A8 engines | VW1175100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearHands-Free Control Unit | View on Amazon |
| VALEO Fits: 3.0L V6 Turbocharged | 890031 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultrasonic Sensors | View on Amazon |
| VALEO Fits: all 2023 A8 engines | 890034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultrasonic Sensors | View on Amazon |
| VALEO Fits: all 2023 A8 engines | 890036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultrasonic Sensors | View on Amazon |
| VARIOUS MFR Fits: all 2023 A8 engines | VW1175100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE New | 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.
9 Parking Aid Sensor parts are listed for the 2023 Audi A8, from VALEO, HELLA, TECHPRO and 2 other brands. HELLA 358270331 carries the "Popular" badge. 6 parts fit every engine; the other 3 are engine-specific.
Listed part numbers: HELLA 358270331, STANDARD MOTOR PRODUCTS PPS211 and HELLA 358141711, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 3.0L V6 Turbocharged | 31126N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 3.0L V6 Turbocharged | 18258 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.0L V6 Turbocharged | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.0L V6 Turbocharged | 16407 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.0L V6 Turbocharged | 52182 | 🇺🇸 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 are listed for the 2023 Audi A8, from PURE ENERGY, WAI GLOBAL, REMY and 1 other brand. PURE ENERGY 18258 carries the "Popular" badge.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 31126N.
In the Remanufactured grade, PURE ENERGY, REMY and TERREPOWER supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 18258.
Part numbers include PURE ENERGY 18258, WAI GLOBAL 31126N and PURE ENERGY 12902, among others listed above.
Buying Electrical Parts for a 2023 Audi A8
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. Some electrical parts fit every engine; others are 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 2023 Audi A8?
Our catalog currently lists 43 electrical parts for the 2023 Audi A8 across 3 subcategories and 17 brands, covering both the 3.0L V6 Turbocharged and the 4.0L V8 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2023 Audi A8 engines?
Some do. 6 parts fit every engine; the other 37 are engine-specific. Each row (and the filter at the top) shows which. 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 2023 Audi A8?
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 2023 Audi A8 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 2023 Audi A8?
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 2023 Audi A8
Electrical Parts for Other Audi A8 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.