The 2021 Audi Q8 has 43 electrical parts with verified fitment on this page — 3 part types and 14 brands, covering the 3.0L V6 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2021 Audi Q8, the electrical system 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 (30 parts), Parking Aid Sensor (8 parts) and Starter Motor (5 parts).
Every part on this page is matched to the 3.0L V6 Turbocharged — the only engine offered in the 2021 Audi Q8.
The most listed brands for 2021 Audi Q8 electrical parts are ACDELCO (7 parts), DEKA (5 parts) and FVP (4 parts), plus 11 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
9 parts on this 2021 Audi Q8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DEKA 9A47 (Battery) and STANDARD MOTOR PRODUCTS PPS211 (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 | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| 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 | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| ACDELCO | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO | 48AGMHR | 🇺🇸 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 |
| ACDELCO | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | 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 |
| DEKA | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | 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 |
| EXIDE | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| LUCAS | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| MOTORCRAFT | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT | 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 | 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 | 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.
30 Battery parts for the 2021 Audi Q8 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 27 parts.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PPS211 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Side | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PPS112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS | PPS213 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS | PPS214 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| VARIOUS MFR | AU1075104 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | AU1075102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | AU1075103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | 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.
8 Parking Aid Sensor parts are listed for the 2021 Audi Q8, from STANDARD MOTOR PRODUCTS and VARIOUS MFR. STANDARD MOTOR PRODUCTS PPS211 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS PPS211, STANDARD MOTOR PRODUCTS PPS112 and STANDARD MOTOR PRODUCTS PPS213, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO | 438349 | 🇺🇸 US 🇨🇦 CA | Valeo Origins New OE Technology | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16657 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 52232 | 🇺🇸 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 2021 Audi Q8, from VALEO, PURE ENERGY, FVP and 2 other brands. PURE ENERGY 12902 carries the "Popular" badge.
In the New grade, VALEO supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is VALEO 438349.
In the Remanufactured grade, PURE ENERGY, FVP, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 12902.
Part numbers include PURE ENERGY 12902 and VALEO 438349, among others listed above.
Buying Electrical Parts for a 2021 Audi Q8
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 3.0L V6 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 Parking Aid Sensor .
Frequently Asked Questions
How many electrical parts fit the 2021 Audi Q8?
Our catalog currently lists 43 electrical parts for the 2021 Audi Q8 across 3 subcategories and 14 brands, covering the 3.0L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Audi Q8?
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 2021 Audi Q8 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 2021 Audi Q8?
Every part on this page is matched to the 3.0L V6 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 2021 Audi Q8
Electrical Parts for Other Audi Q8 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.