63 Electrical parts are listed for the 2021 Audi Q7, in 6 part types, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi Q7, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery (34 parts), Starter Motor (12 parts) and Parking Aid Sensor (8 parts). The other 3 part types cover the remaining 9 parts.
The 2021 Audi Q7 was sold with both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. 41 parts fit every engine; the other 22 are engine-specific. Each part shows which engine(s) it fits.
20 brands supply electrical parts for the 2021 Audi Q7, led by FVP (7 parts), ACDELCO (7 parts) and DEKA (5 parts), plus 17 more brands. Quality grades include AGM, Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi Q7. 13 parts have it, including TYC 221083 (Alternator / Generator) and DEKA 9A47 (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular Fits: 2.0L L4 Turbocharged | 221083 | 🇺🇸 US 🇨🇦 CA | 180 Amps | View on Amazon |
| WAI GLOBAL Fits: 2.0L L4 Turbocharged | 21083N | 🇺🇸 US 🇨🇦 CA | Valeo 180 Amp | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 2.0L L4 Turbocharged | 14061 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP Fits: 2.0L L4 Turbocharged | 14061 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: 2.0L L4 Turbocharged | 11503 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.0L L4 Turbocharged | 42261 | 🇺🇸 US 🇨🇦 CA | 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 for the 2021 Audi Q7 come from 6 brands — TYC, WAI GLOBAL, PURE ENERGY and 3 other brands. The "Popular" part is TYC 221083.
The New section lists 2 options from TYC and WAI GLOBAL — brand-new units rather than rebuilt ones. TYC 221083 is listed in this group.
The Remanufactured section lists 4 options from PURE ENERGY, FVP, REMY and 1 other brand — factory-rebuilt units with new wear components. PURE ENERGY 14061 is listed in this group.
Part numbers include TYC 221083, WAI GLOBAL 21083N and PURE ENERGY 14061, among others listed above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: all 2021 Q7 engines | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: all 2021 Q7 engines | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: all 2021 Q7 engines | 9A94R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: all 2021 Q7 engines | P94RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 94R | View on Amazon |
| LUCAS Popular Fits: all 2021 Q7 engines | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular Fits: all 2021 Q7 engines | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 94RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 94R | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2021 Q7 engines | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH Fits: all 2021 Q7 engines | S6587B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| BOSCH Fits: all 2021 Q7 engines | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA Fits: all 2021 Q7 engines | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: all 2021 Q7 engines | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: all 2021 Q7 engines | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: all 2021 Q7 engines | MXH7L494R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| EXIDE Fits: all 2021 Q7 engines | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE Fits: all 2021 Q7 engines | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: all 2021 Q7 engines | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP Fits: all 2021 Q7 engines | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS Fits: all 2021 Q7 engines | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| LUCAS Fits: all 2021 Q7 engines | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| MOTORCRAFT Fits: all 2021 Q7 engines | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT Fits: all 2021 Q7 engines | BAGM95RH9 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group 95R or BCI Group: 95R/H9 | View on Amazon |
| P1MAX Fits: 2.0L L4 Turbocharged | PMAGMH648 | 🇺🇸 US 🇨🇦 CA | BCI Group 48 AGM760 CCA | View on Amazon |
| P1MAX Fits: 2.0L L4 Turbocharged | PMAGMH794R | 🇺🇸 US 🇨🇦 CA | BCI Group 94R AGM800 CCA | View on Amazon |
| P1MAX Fits: 2.0L L4 Turbocharged | PMAGMH849 | 🇺🇸 US 🇨🇦 CA | BCI Group 49 AGM850 CCA | View on Amazon |
| P1MAX Fits: 2.0L L4 Turbocharged | PMAGMH995R | 🇺🇸 US 🇨🇦 CA | BCI Group 95R AGM950 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: all 2021 Q7 engines | 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: all 2021 Q7 engines | 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 |
| FULLRIVER Fits: all 2021 Q7 engines | 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 |
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.
34 Battery parts are listed for the 2021 Audi Q7, from ACDELCO, DEKA, LUCAS and 6 other brands. DEKA 9A47 carries the "Popular" badge. They are grouped as AGM (Extended Life) and Performance AGM (Extended Life + Increased Power), with AGM (Extended Life) the largest group at 31 parts from ACDELCO, DEKA, LUCAS and 5 other brands.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Q7 engines | 358158001 | 🇺🇸 US | BoltedIntelligent Battery Sensor | View on Amazon |
| WELLS Fits: all 2021 Q7 engines | 5S16132 | 🇺🇸 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.
2 Battery Current Sensor parts for the 2021 Audi Q7 come from 2 brands — HELLA and WELLS. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
Listed part numbers: HELLA 358158001 and WELLS 5S16132.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2021 Q7 engines | PPS120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2021 Q7 engines | PPS112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| HELLA Fits: all 2021 Q7 engines | 358141711 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| HELLA Fits: all 2021 Q7 engines | 358270331 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | PPS212 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| VARIOUS MFR Fits: all 2021 Q7 engines | AU1075104 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: all 2021 Q7 engines | AU1075102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: all 2021 Q7 engines | AU1075103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | 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 for the 2021 Audi Q7 come from 3 brands — STANDARD MOTOR PRODUCTS, VARIOUS MFR and HELLA. The "Popular" part is STANDARD MOTOR PRODUCTS PPS120. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
This group includes STANDARD MOTOR PRODUCTS PPS120, STANDARD MOTOR PRODUCTS PPS112 and HELLA 358141711 and the remaining parts above.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2021 Q7 engines | V10721604 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
This group shows a single part: VEMO V10721604.
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 |
| WAI GLOBAL Fits: 2.0L L4 Turbocharged | 31089N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 2.0L L4 Turbocharged | 18256 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY Popular Fits: 3.0L V6 Turbocharged | 18258 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Popular Fits: 3.0L V6 Turbocharged | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 2.0L L4 Turbocharged | 18256 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged | 12902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 3.0L V6 Turbocharged | 18258 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.0L L4 Turbocharged | 16409 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: 3.0L V6 Turbocharged | 16657 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.0L L4 Turbocharged | 52184 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.0L V6 Turbocharged | 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.
12 Starter Motor parts for the 2021 Audi Q7 come from 6 brands — PURE ENERGY, FVP, REMY and 3 other brands. The "Popular" part is PURE ENERGY 18256.
The New section: 2 options from VALEO and WAI GLOBAL. VALEO 438349 is listed in this group.
The Remanufactured section: 10 options from PURE ENERGY, FVP, REMY and 1 other brand. PURE ENERGY 18256 is listed in this group.
Buying Electrical Parts for a 2021 Audi Q7
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 Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2021 Audi Q7?
Our catalog currently lists 63 electrical parts for the 2021 Audi Q7 across 6 subcategories and 20 brands, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2021 Audi Q7 engines?
Some do. 41 parts fit every engine; the other 22 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 2021 Audi Q7?
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 Q7 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 Q7?
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 2021 Audi Q7
Electrical Parts for Other Audi Q7 Years
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