2021 Audi S4 Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Window Motors + Switches
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
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Original (OEM)Electrical PartsYour vehicle is a complex mechanism that consists of thousands of components, each having a specific function but all working in coordination to guarantee a safe and comfortable ride. When it comes to electrical components, their... - Vemo®Headlight Level SensorAudi S4 2021, Headlight Level Sensor by Vemo®. M6. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement electrical parts manufactured to...Premium parts you can rely onDesigned to restore functionality$295.88
- Audi OEElectrical - Fuse & Relay (Engine Compartment)Audi S4 2021, Electrical - Fuse & Relay (Engine Compartment) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$2.50 - $154.37
- Audi OEElectrical - Fuse & Relay (Instrument Panel)Audi S4 2021, Electrical - Fuse & Relay (Instrument Panel) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$30.01 - $154.37
- Audi OEElectrical - Fuse & Relay (Trunk Compartment)Audi S4 2021, Electrical - Fuse & Relay (Trunk Compartment) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$4.86 - $344.86
- TRQ®Downstream O2 Oxygen SensorAudi S4 2021, Downstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$31.95Save: $1.60 (5%)$30.35
- Beck Arnley®Front Disc Brake Pad Wear SensorAudi S4 2021, Front Disc Brake Pad Wear Sensor by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory specifications...Perfect fit and function is guaranteedMade from the same gauge material as your original part$6.40
- TRQ®Camshaft Position SensorAudi S4 2021, Camshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory. Developed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.95Save: $1.00 (4%)$23.95
- TRQ®Crankshaft Position SensorAudi S4 2021, Crankshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.95 - $55.95Save: up to 5%$25.17 - $53.15
- Motorcraft®Tested Tough™ Max AGM BatteryAudi S4 2021, Tested Tough™ Max AGM Battery by Motorcraft®. 12-Volt Post Terminals. If you’re looking to replace a battery, Motorcraft is your best bet for fit and function. All Motorcraft batteries are manufactured to the latest...Excellent limited warranty coverage - 100-month (8+ years) unlimited mileage36-month (3-year) Free replacement period$208.65 - $317.90
- Walker Products®Oxygen SensorAudi S4 CWGD Engine 2021, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$78.67 - $128.14
- Walker Products®Crankshaft Position SensorAudi S4 2021, Crankshaft Position Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$46.45
- Walker Products®Engine Coolant Temperature SensorAudi S4 2021, Engine Coolant Temperature Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$25.46
- Walker Products®Premium Oxygen SensorAudi S4 CWGD Engine 2021, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements....Improved Engine Response & PerformanceLower Emissions$88.87 - $128.14
- Standard®Intermotor™ Camshaft Position SensorAudi S4 2021, Intermotor™ Camshaft Position Sensor by Standard®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$79.22
- Walker Products®Engine Oil Pressure SwitchAudi S4 2021, Engine Oil Pressure Switch by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$14.84
- Audi OEFront Suspension - Brake Components (350 x 34 mm)Audi S4 2021, Front Suspension - Brake Components (350 x 34 mm) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$1.77 - $1,241.50
- Audi OERear Suspension - Brake Components (330 x 22 mm)Audi S4 2021, Rear Suspension - Brake Components (330 x 22 mm) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$1.77 - $1,241.50
- Audi OECowl - Components on Dash PanelAudi S4 2021, Cowl - Components on Dash Panel by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$1.68 - $392.49
- Audi OEEngine / Transaxle - Engine PartsAudi S4 2021, Engine / Transaxle - Engine Parts by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$4.04 - $616.40
- Audi OEEmission System - Emission ComponentsAudi S4 2021, Emission System - Emission Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$22.28 - $295.60
- Audi OEEmission System - Emission Components (Code: DMSA, DPAA)Audi S4 2021, Emission System - Emission Components (Code: DMSA, DPAA) by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$11.68 - $295.60
- Audi OEAir Conditioner & Heater - Condenser, Compressor & LinesAudi S4 2021, Air Conditioner & Heater - Condenser, Compressor & Lines by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$1.77 - $1,190.60
- Audi OEAir Conditioner & Heater - Evaporator ComponentsAudi S4 2021, Air Conditioner & Heater - Evaporator Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$1.77 - $380.99
- Audi OEInstrument Panel - DuctsAudi S4 2021, Instrument Panel - Ducts by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to maintain...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$28.74 - $180.64
- Audi OEFront Bumper & Grille - Electrical Components (Premium / Premium Plus / Prestige)Audi S4 2021, Front Bumper & Grille - Electrical Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$23.17 - $47.44
- Vemo®Crankshaft Position SensorAudi S4 2021, Crankshaft Position Sensor by Vemo®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide...Made with precision and quality in mindDesigned to meet your specific needs$44.60
- Vemo®Oil Level SensorAudi S4 Base / Premium / Premium Plus / Prestige / Progressiv / Technik 2021, Oil Level Sensor by Vemo®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$137.68
- Hitachi®Crankshaft Position SensorAudi S4 Base / Premium / Premium Plus / Prestige / Progressiv / Technik 2021, Crankshaft Position Sensor by Hitachi®. By monitoring crankshaft rotation speed and position, this sensor allows the computer to maintain effective fuel...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$34.20
- Dorman®Battery Current SensorAudi S4 2021, Battery Current Sensor by Dorman®. This superior product was elaborately designed and meticulously manufactured to stringent industry standards to have the most precise OE specifications. It fits and functions like the...Designed in compliance with rigorous factory standardsHigh level of quality, ultimate reliability, and solid value$33.38
