This page lists 68 electrical parts for the 2018 Audi S5, across 6 part types, covering both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Audi S5, 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 (41 parts), Parking Aid Sensor (11 parts) and Lighting Control Module (LCM) (5 parts). The other 3 part types cover the remaining 11 parts.
The 2018 Audi S5 was sold with both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged. 60 parts fit every engine; the other 8 are engine-specific. Each part shows which engine(s) it fits.
23 brands supply electrical parts for the 2018 Audi S5, led by ACDELCO (9 parts), FVP (6 parts) and DEKA (5 parts), plus 20 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 2018 Audi S5. 10 parts have it, including ACDELCO 47AGM (Battery) and ÜRO PARTS 8W6998473A (Lighting Control Module (LCM)). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO Fits: all 2018 S5 engines | 443008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pulley Diameter 58mm110 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: all 2018 S5 engines | 10470 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: all 2018 S5 engines | 10470 | 🇺🇸 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.
3 Alternator / Generator parts for the 2018 Audi S5 come from 3 brands — VALEO, FVP and PURE ENERGY. Every part fits both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged.
The New section lists 1 option from VALEO — brand-new units rather than rebuilt ones. VALEO 443008 is listed in this group.
The Remanufactured section lists 2 options from FVP and PURE ENERGY — factory-rebuilt units with new wear components. FVP 10470 is listed in this group.
This group includes VALEO 443008 and FVP 10470 and the remaining parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2018 S5 engines | 47AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| DEKA Popular Fits: all 2018 S5 engines | 9A48 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular Fits: all 2018 S5 engines | 9A94R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: all 2018 S5 engines | P94RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 94R | View on Amazon |
| LUCAS Popular Fits: all 2018 S5 engines | LBAGM004A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 48AGM | View on Amazon |
| LUCAS Popular Fits: all 2018 S5 engines | LBAGM001A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 47AGM | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 48AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 48 | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 47SAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 94RAGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 48AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 94RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 94R | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO Fits: all 2018 S5 engines | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH Fits: all 2018 S5 engines | S6587B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| BOSCH Fits: all 2018 S5 engines | S6588B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA Fits: all 2018 S5 engines | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: all 2018 S5 engines | 9A49 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Fits: all 2018 S5 engines | 9A95R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: all 2018 S5 engines | MXH5L247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 47 (H5) | View on Amazon |
| EXIDE Fits: all 2018 S5 engines | MXH6L348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 48 (H6) | View on Amazon |
| EXIDE Fits: all 2018 S5 engines | MXH7L494R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 94R (H7) | View on Amazon |
| EXIDE Fits: all 2018 S5 engines | MXH8L549 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE Fits: all 2018 S5 engines | MXH9L695R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP Fits: all 2018 S5 engines | P47AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 47 | View on Amazon |
| FVP Fits: all 2018 S5 engines | P49AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| FVP Fits: all 2018 S5 engines | P48AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 48 | View on Amazon |
| LUCAS Fits: all 2018 S5 engines | LBAGM005A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| LUCAS Fits: all 2018 S5 engines | LBAGM006A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 49AGM | View on Amazon |
| LUCAS Fits: all 2018 S5 engines | LBAGM007A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| MOTORCRAFT Fits: all 2018 S5 engines | BAGM49H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT Fits: all 2018 S5 engines | BAGM95RH9 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tested Tough AGMBCI Group 95R or BCI Group: 95R/H9 | View on Amazon |
| P1MAX Fits: all 2018 S5 engines | PMAGMH547 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 47 AGM680 CCA | View on Amazon |
| P1MAX Fits: all 2018 S5 engines | PMAGMH648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 48 AGM760 CCA | View on Amazon |
| P1MAX Fits: all 2018 S5 engines | PMAGMH794R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 94R AGM800 CCA | View on Amazon |
| P1MAX Fits: all 2018 S5 engines | PMAGMH849 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 49 AGM850 CCA | View on Amazon |
| P1MAX Fits: all 2018 S5 engines | 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: all 2018 S5 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 2018 S5 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 2018 S5 engines | FT61047 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 47(Length X Width X Height) 9.49 In x 6.89 In x 7.48 In | View on Amazon |
| FULLRIVER Fits: all 2018 S5 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.
41 Battery parts are listed for the 2018 Audi S5, from ACDELCO, DEKA, LUCAS and 6 other brands. ACDELCO 47AGM 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 37 parts from ACDELCO, DEKA, LUCAS and 5 other brands.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2018 S5 engines | 601702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | S5 Base Model | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged | 358158001 | 🇺🇸 US | BoltedIntelligent Battery Sensor | View on Amazon |
| WELLS Fits: all 2018 S5 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.
3 Battery Current Sensor parts for the 2018 Audi S5 come from 3 brands — DORMAN, HELLA and WELLS. 2 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: DORMAN 601702, HELLA 358158001 and WELLS 5S16132.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular Fits: all 2018 S5 engines | 8W6998473A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftLED Headlight Module | View on Amazon |
| MARELLI Fits: all 2018 S5 engines | LRE539 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| MARELLI Fits: all 2018 S5 engines | LRB340 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDVoltage: 12V | View on Amazon |
| ÜRO PARTS Fits: all 2018 S5 engines | 8W6998474A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightLED Headlight Module | View on Amazon |
| VEMO Fits: all 2018 S5 engines | V10730668 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 03/10/2022 | View on Amazon |
This table covers the modules that control the exterior lighting.
5 Lighting Control Module (LCM) parts for the 2018 Audi S5 come from 3 brands — ÜRO PARTS, MARELLI and VEMO. The "Popular" part is ÜRO PARTS 8W6998473A. Every part fits both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged.
Part numbers include ÜRO PARTS 8W6998473A, MARELLI LRE539 and MARELLI LRB340, among others listed above.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2018 S5 engines | PPS212 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2018 S5 engines | PPS120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged | 358141711 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| HELLA Fits: 3.0L V6 Turbocharged | 358270331 | 🇺🇸 US | 3-Pin ConnectorPlugged | View on Amazon |
| MARELLI Fits: 3.0L V6 Supercharged | SDP101 | 🇲🇽 MX | Fits Right | View on Amazon |
| TECHPRO Fits: 3.0L V6 Supercharged | AU1075103 | 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| TECHPRO Fits: 3.0L V6 Supercharged | AU1075104 | 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| TECHPRO Fits: 3.0L V6 Supercharged | AU1175100 | 🇲🇽 MX | Rear RightCoupe | View on Amazon |
| VARIOUS MFR Fits: all 2018 S5 engines | AU1075104 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: all 2018 S5 engines | AU1075103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR Fits: 3.0L V6 Turbocharged | AU1075102 | 🇺🇸 US 🇨🇦 CA | 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.
11 Parking Aid Sensor parts for the 2018 Audi S5 come from 5 brands — TECHPRO, VARIOUS MFR, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PPS212. 4 parts fit every engine; the other 7 are engine-specific.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: all 2018 S5 engines | 33286N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: all 2018 S5 engines | 19631 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: all 2018 S5 engines | 19631 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: all 2018 S5 engines | 16411 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: all 2018 S5 engines | 52185 | 🇺🇸 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 for the 2018 Audi S5 come from 5 brands — WAI GLOBAL, FVP, PURE ENERGY and 2 other brands. The "Popular" part is WAI GLOBAL 33286N. Every part fits both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 33286N is listed in this group.
The Remanufactured section: 4 options from FVP, PURE ENERGY, REMY and 1 other brand. FVP 19631 is listed in this group.
This group includes WAI GLOBAL 33286N and FVP 19631 and the remaining parts above.
Buying Electrical Parts for a 2018 Audi S5
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 Parking Aid Sensor .
Frequently Asked Questions
How many electrical parts fit the 2018 Audi S5?
Our catalog currently lists 68 electrical parts for the 2018 Audi S5 across 6 subcategories and 23 brands, covering both the 3.0L V6 Supercharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2018 Audi S5 engines?
Some do. 60 parts fit every engine; the other 8 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 2018 Audi S5?
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 S5 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 S5?
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 S5
Electrical Parts for Other Audi S5 Years
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