The 2021 Audi SQ8 has 36 electrical parts with verified fitment on this page — 3 part types and 14 brands, covering the 4.0L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2021 Audi SQ8 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 36 listed parts are Battery (23 parts), Parking Aid Sensor (7 parts) and Starter Motor (6 parts).
The 2021 Audi SQ8 came with a single engine, the 4.0L V8 Turbocharged, and every part is verified against it.
14 brands supply electrical parts for the 2021 Audi SQ8, led by DEKA (5 parts), FVP (4 parts) and LUCAS (4 parts), plus 11 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi SQ8. 9 parts have it, including DEKA 9A48 (Battery) and STANDARD MOTOR PRODUCTS PPS211 (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 | 9A48 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA Popular | 9A94R | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| FVP Popular | P94RAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 94R | View on Amazon |
| LUCAS Popular | LBAGM004A | 🇺🇸 US 🇨🇦 CA | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular | LBAGM005A | 🇺🇸 US 🇨🇦 CA | BCI Group: 94RAGM | View on Amazon |
| BOSCH | S6587B | 🇺🇸 US 🇨🇦 CA | AGMAGM | View on Amazon |
| BOSCH | S6588B | 🇺🇸 US 🇨🇦 CA | AGMAGM | View on Amazon |
| DEKA | 9A47 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA | 9A49 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA | 9A95R | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| EXIDE | MXH6L348 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE | MXH7L494R | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| EXIDE | MXH8L549 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE | MXH9L695R | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP | P49AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP | P48AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS | LBAGM006A | 🇺🇸 US 🇨🇦 CA | BCI Group: 49AGM | View on Amazon |
| LUCAS | LBAGM007A | 🇺🇸 US 🇨🇦 CA | BCI Group: 95RAGM | View on Amazon |
| MOTORCRAFT | BAGM49H8 | 🇺🇸 US 🇨🇦 CA | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT | BAGM95RH9 | 🇺🇸 US 🇨🇦 CA | 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 | 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 | 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 | 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.
23 Battery parts are listed for the 2021 Audi SQ8, from DEKA, LUCAS, EXIDE and 4 other brands. DEKA 9A48 carries the "Popular" badge.
The AGM (Extended Life) section lists 20 options from DEKA, LUCAS, EXIDE and 3 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A48 is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 3 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.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PPS211 | 🇺🇸 US 🇨🇦 CA | Front Side | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PPS214 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| STANDARD MOTOR PRODUCTS | PPS213 | 🇺🇸 US 🇨🇦 CA | Fits Rear | View on Amazon |
| VARIOUS MFR | AU1075104 | 🇺🇸 US 🇨🇦 CA | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | AU1075102 | 🇺🇸 US 🇨🇦 CA | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | AU1075103 | 🇺🇸 US 🇨🇦 CA | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | VW1175100 | 🇺🇸 US 🇨🇦 CA | 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.
7 Parking Aid Sensor parts for the 2021 Audi SQ8 come from 2 brands — VARIOUS MFR and STANDARD MOTOR PRODUCTS. The "Popular" part is STANDARD MOTOR PRODUCTS PPS211.
Listed part numbers: STANDARD MOTOR PRODUCTS PPS211, STANDARD MOTOR PRODUCTS PPS214 and STANDARD MOTOR PRODUCTS PPS213, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular | 31126N | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VALEO | 438645 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 18258 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP | 18258 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 16407 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 52182 | 🇺🇸 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.
6 Starter Motor parts for the 2021 Audi SQ8 come from 6 brands — WAI GLOBAL, VALEO, PURE ENERGY and 3 other brands. The "Popular" part is WAI GLOBAL 31126N.
The New section lists 2 options from WAI GLOBAL and VALEO — brand-new units rather than rebuilt ones. WAI GLOBAL 31126N 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 18258 is listed in this group.
This group includes WAI GLOBAL 31126N, VALEO 438645 and PURE ENERGY 18258 and the remaining parts above.
Buying Electrical Parts for a 2021 Audi SQ8
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 4.0L V8 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 SQ8?
Our catalog currently lists 36 electrical parts for the 2021 Audi SQ8 across 3 subcategories and 14 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Audi SQ8?
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 SQ8 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 SQ8?
Every part on this page is matched to the 4.0L V8 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 SQ8
Electrical Parts for Other Audi SQ8 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.