The 2018 Audi A6 has 60 electrical parts with verified fitment on this page — 10 part types and 20 brands, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Each part includes a manufacturer part number and application notes.
On the 2018 Audi A6, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 44 parts of the 60 listed are Battery (33 parts), Alternator / Generator (6 parts) and Battery Current Sensor (5 parts). The other 7 part types cover the remaining 16 parts.
The 2018 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 2018 Audi A6 electrical parts are ACDELCO (6 parts), DORMAN (6 parts) and FVP (5 parts), plus 17 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
10 parts on this 2018 Audi A6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PURE ENERGY 11901 (Alternator / Generator) and DEKA 9A47 (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO Fits: 3.0L V6 Supercharged | 439951 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Body code C7180 Amps | View on Amazon |
| VEMO Fits: 3.0L V6 Supercharged | V101350026 | 🇺🇸 US 🇨🇦 CA | Amperage: 180 A | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 3.0L V6 Supercharged | 11901 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Popular Fits: 3.0L V6 Supercharged | 10174 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 3.0L V6 Supercharged | 10174 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 3.0L V6 Supercharged | 11901 | 🇺🇸 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.
6 Alternator / Generator parts are listed for the 2018 Audi A6, from PURE ENERGY, FVP, VALEO and 1 other brand. PURE ENERGY 11901 carries the "Popular" badge.
In the New grade, VALEO and VEMO supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is VALEO 439951.
In the Remanufactured grade, PURE ENERGY and FVP supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 11901.
Listed part numbers: PURE ENERGY 11901, VALEO 439951 and VEMO V101350026, plus the other parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 9A94R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | P94RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 94R | View on Amazon |
| LUCAS Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 94RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 94R | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: 3.0L V6 Supercharged | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| BOSCH Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | S6587B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| BOSCH Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | MXH7L494R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| EXIDE Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| LUCAS Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| MOTORCRAFT Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | BAGM95RH9 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group 95R or BCI Group: 95R/H9 | View on Amazon |
| P1MAX Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | PMAGMH648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 48 AGM760 CCA | View on Amazon |
| P1MAX Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | PMAGMH794R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 94R AGM800 CCA | View on Amazon |
| P1MAX Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | PMAGMH849 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 49 AGM850 CCA | View on Amazon |
| P1MAX Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | PMAGMH995R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 95R AGM950 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 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: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 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 Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 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.
33 Battery parts for the 2018 Audi A6 come from 9 brands — ACDELCO, DEKA, LUCAS and 6 other brands. The "Popular" part is DEKA 9A47. Grades run from AGM (Extended Life) through Performance AGM (Extended Life + Increased Power); AGM (Extended Life) is the most populated section, led by ACDELCO, DEKA, LUCAS and 5 other brands.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.0L V6 Supercharged, 1.8L L4 Turbocharged | 601702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 Supercharged | BSC51 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intelligent Battery Sensor | View on Amazon |
| WELLS Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 5S16152 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Gender: Female | View on Amazon |
| WELLS Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 5S16149 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Positive Circuit | View on Amazon |
| WELLS Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 5S16151 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Negative CircuitPlastic Base | 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.
5 Battery Current Sensor parts are listed for the 2018 Audi A6, from WELLS, DORMAN and STANDARD MOTOR PRODUCTS. DORMAN 601702 carries the "Popular" badge.
Part numbers include DORMAN 601702, STANDARD MOTOR PRODUCTS BSC51 and WELLS 5S16152, among others listed above.
Blind Spot Detection Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.0L V6 Supercharged | 010905411 | 🇺🇸 US 🇨🇦 CA | CAPA CertifiedModule | View on Amazon |
| HELLA Fits: 3.0L V6 Supercharged | 010905501 | 🇺🇸 US 🇨🇦 CA | CAPA CertifiedModule | View on Amazon |
| TECHPRO Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | AU1778101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lane Change AssistSlave Unit | View on Amazon |
| TECHPRO Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | AU1779101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lane Change AssistMaster Unit | View on Amazon |
This table covers the Blind Spot Detection 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.
4 Blind Spot Detection Sensor parts are listed for the 2018 Audi A6, from HELLA and TECHPRO.
Part numbers include HELLA 010905411, HELLA 010905501 and TECHPRO AU1778101, among others listed above.
HID Lighting Ballast
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | 601052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the HID Lighting ballasts.
One part is listed for the 2018 Audi A6 — DORMAN 601052.
Lane Departure Camera / Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 1.8L L4 Turbocharged, 3.0L V6 Supercharged | V10670014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Lane Departure Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years.
One part is listed for the 2018 Audi A6 — VEMO V10670014.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 1.8L L4 Turbocharged | LRB400 | 🇲🇽 MX | Xenon | View on Amazon |
| ÜRO PARTS Fits: 1.8L L4 Turbocharged | 63126907488 | 🇲🇽 MX | View on Amazon |
This table covers the modules that control the exterior lighting.
2 Lighting Control Module (LCM) parts are listed for the 2018 Audi A6, from MARELLI and ÜRO PARTS.
This group includes MARELLI LRB400 and ÜRO PARTS 63126907488.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 1.8L L4 Turbocharged | 684014 | 🇲🇽 MX | Rear | View on Amazon |
| DORMAN Fits: 1.8L L4 Turbocharged | 684071 | 🇲🇽 MX | Front Inner | View on Amazon |
| SKP Fits: 1.8L L4 Turbocharged | SK684014 | 🇲🇽 MX | Rear | View on Amazon |
| ÜRO PARTS Fits: 1.8L L4 Turbocharged | 1S0919275D | 🇲🇽 MX | Front Innerwithout S Type | View on Amazon |
| WELLS Fits: 1.8L L4 Turbocharged | 5S16509 | 🇲🇽 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.
5 Parking Aid Sensor parts are listed for the 2018 Audi A6, from DORMAN, SKP, ÜRO PARTS and 1 other brand. DORMAN 684014 carries the "Popular" badge.
Listed part numbers: DORMAN 684014, DORMAN 684071 and SKP SK684014, plus the other parts above.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 1.8L L4 Turbocharged | V10721604 | 🇲🇽 MX | with Holder | 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.
One part is listed for the 2018 Audi A6 — VEMO V10721604.
Side Object Sensor Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.8L L4 Turbocharged | 601455 | 🇲🇽 MX | Rear Right | View on Amazon |
| DORMAN Fits: 1.8L L4 Turbocharged | 601456 | 🇲🇽 MX | Rear Left | View on Amazon |
This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years.
DORMAN supplies both parts for the 2018 Audi A6.
This group includes DORMAN 601455 and DORMAN 601456.
Buying Electrical Parts for a 2018 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 Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2018 Audi A6?
Our catalog currently lists 60 electrical parts for the 2018 Audi A6 across 10 subcategories and 20 brands, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2018 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 2018 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 2018 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 2018 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 2018 Audi A6
Electrical Parts for Other Audi A6 Years
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