22 Electrical parts are listed for the 2025 Audi A6, in 4 part types, covering all 3 engine options (2.0L L4 Turbocharged, 3.0L V6 Turbocharged and ELECTRIC). Each one has a brand, a manufacturer part number and notes that say where it fits.
The electrical system on the 2025 Audi A6 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery (13 parts), Parking Aid Sensor (5 parts) and Starter Motor (3 parts). The other 1 part type covers the remaining 1 part.
The 2025 Audi A6 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Audi A6 electrical parts are ACDELCO (3 parts), DEKA (3 parts) and WAI GLOBAL (2 parts), plus 10 more brands. Quality grades include AGM, Performance AGM and Remanufactured.
4 parts on this 2025 Audi A6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 48AGM (Battery) and STANDARD MOTOR PRODUCTS PPS112 (Parking Aid Sensor). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.0L L4 Turbocharged | 39015N | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2025 Audi A6 — WAI GLOBAL 39015N.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.0L L4 Turbocharged | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| DEKA Popular Fits: 2.0L L4 Turbocharged | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 2.0L L4 Turbocharged | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| ACDELCO Fits: 2.0L L4 Turbocharged | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 2.0L L4 Turbocharged | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| DEKA Fits: 2.0L L4 Turbocharged | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 2.0L L4 Turbocharged | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: 2.0L L4 Turbocharged | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: 2.0L L4 Turbocharged | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| MOTORCRAFT Fits: 2.0L L4 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: 2.0L L4 Turbocharged | FT68048 | 🇺🇸 US | BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 In | View on Amazon |
| FULLRIVER Fits: 2.0L L4 Turbocharged | FT89049 | 🇺🇸 US | 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 |
|---|---|---|---|---|
| FVP Fits: ELECTRIC | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | 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.
13 Battery parts for the 2025 Audi A6 come from 6 brands — ACDELCO, DEKA, EXIDE and 3 other brands. The "Popular" part is ACDELCO 48AGM.
In the AGM (Extended Life) grade, ACDELCO, DEKA, EXIDE and 2 other brands supply 10 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 48AGM.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT68048.
1 further part sits outside the graded sections, with the same engine-level match.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.0L L4 Turbocharged | PPS112 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| HELLA Fits: 2.0L L4 Turbocharged | 358141711 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| HELLA Fits: 2.0L L4 Turbocharged | 358270331 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| MARELLI Fits: 2.0L L4 Turbocharged | SDP107 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| VALEO Fits: 2.0L L4 Turbocharged | 890036 | 🇺🇸 US 🇨🇦 CA | Ultrasonic Sensors | 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.
5 Parking Aid Sensor parts are listed for the 2025 Audi A6, from HELLA, STANDARD MOTOR PRODUCTS, MARELLI and 1 other brand. STANDARD MOTOR PRODUCTS PPS112 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS PPS112, HELLA 358141711 and HELLA 358270331 and the remaining parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.0L L4 Turbocharged | 31089N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY Fits: 2.0L L4 Turbocharged | 16409 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.0L L4 Turbocharged | 52184 | 🇺🇸 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.
3 Starter Motor parts are listed for the 2025 Audi A6, from WAI GLOBAL, REMY and TERREPOWER.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 31089N.
In the Remanufactured grade, REMY and TERREPOWER supply 2 parts: factory-rebuilt units with new wear components. A representative part number is REMY 16409.
Listed part numbers: WAI GLOBAL 31089N, REMY 16409 and TERREPOWER 52184.
Buying Electrical Parts for a 2025 Audi A6
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 Parking Aid Sensor .
Frequently Asked Questions
How many electrical parts fit the 2025 Audi A6?
Our catalog currently lists 22 electrical parts for the 2025 Audi A6 across 4 subcategories and 13 brands, covering all 3 engine options (2.0L L4 Turbocharged, 3.0L V6 Turbocharged and ELECTRIC). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2025 Audi A6 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 2025 Audi A6?
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 2025 Audi A6 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 2025 Audi A6?
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 2025 Audi A6
Electrical Parts for Other Audi A6 Years
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