This page lists 39 electrical parts for the 2020 Audi A8, across 4 part types, covering all 3 engine options (3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged and 4.0L V8 Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
On the 2020 Audi A8, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 38 parts of the 39 listed are Battery (22 parts), Starter Motor (10 parts) and Parking Aid Sensor (6 parts). The other 1 part type covers the remaining 1 part.
The 2020 Audi A8 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
17 brands supply electrical parts for the 2020 Audi A8, led by ACDELCO (5 parts), DEKA (4 parts) and FVP (4 parts), plus 14 more brands. Quality grades include AGM, Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Audi A8. 8 parts have it, including DEKA 9A47 (Battery) and STANDARD MOTOR PRODUCTS PPS212 (Parking Aid Sensor). Each part number opens a page with every vehicle that part fits.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| LUCAS Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT Fits: 3.0L V6 Turbocharged, 4.0L V8 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, 4.0L V8 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, 4.0L V8 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 |
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.
22 Battery parts are listed for the 2020 Audi A8, from ACDELCO, DEKA, LUCAS and 5 other brands. DEKA 9A47 carries the "Popular" badge.
The AGM (Extended Life) section lists 20 options from ACDELCO, DEKA, LUCAS and 4 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A47 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 FT68048 is listed in this group.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 601702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
This group shows a single part: DORMAN 601702.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | PPS212 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | PPS120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 358141711 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorPlugged | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 358270331 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorPlugged | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | PPS211 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| VARIOUS MFR Fits: 3.0L V6 Turbocharged, 4.0L V8 Turbocharged | 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.
6 Parking Aid Sensor parts for the 2020 Audi A8 come from 3 brands — STANDARD MOTOR PRODUCTS, HELLA and VARIOUS MFR. The "Popular" part is STANDARD MOTOR PRODUCTS PPS212.
Part numbers include STANDARD MOTOR PRODUCTS PPS212, STANDARD MOTOR PRODUCTS PPS120 and HELLA 358141711, among others listed above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO Fits: 3.0L V6 Turbocharged | 438349 | 🇺🇸 US 🇨🇦 CA | Valeo Origins New OE Technology | View on Amazon |
| VALEO Fits: 3.0L V6 Turbocharged | 438645 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VALEO Fits: 4.0L V8 Turbocharged | 438517 | 🇺🇸 US 🇨🇦 CA | Valeo Origins New OE Technology | View on Amazon |
| WAI GLOBAL Fits: 4.0L V8 Turbocharged | 31471N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 3.0L V6 Turbocharged | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 4.0L V8 Turbocharged | 12950 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: 3.0L V6 Turbocharged | 16657 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.0L V6 Turbocharged | 52232 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 4.0L V8 Turbocharged | 12950 | 🇺🇸 US 🇨🇦 CA | 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.
10 Starter Motor parts for the 2020 Audi A8 come from 6 brands — VALEO, PURE ENERGY, FVP and 3 other brands. The "Popular" part is PURE ENERGY 12902.
The New section lists 4 options from VALEO and WAI GLOBAL — brand-new units rather than rebuilt ones. VALEO 438349 is listed in this group.
The Remanufactured section lists 5 options from PURE ENERGY, FVP, REMY and 1 other brand — factory-rebuilt units with new wear components. PURE ENERGY 12902 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Buying Electrical Parts for a 2020 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. 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 Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2020 Audi A8?
Our catalog currently lists 39 electrical parts for the 2020 Audi A8 across 4 subcategories and 17 brands, covering all 3 engine options (3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged and 4.0L V8 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2020 Audi A8 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 2020 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 2020 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 2020 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 2020 Audi A8
Electrical Parts for Other Audi A8 Years
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