Audi A4 Electrical Parts
Light Switches- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Electrical Wiring, Cables & Connectors
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Power Mirror Switches + Relays
- Sunroof + Convertible Top Motors
- Door Lock Actuators + Switches
- Trunk & Tailgate Lock Motors, Switches, Relays
- Cigarette Lighters + Components
- 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
- Transmission Solenoids, Sensors, Switches & Control Units
- Starting & Charging Relays, Cables, Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
- Ignition Relays, Sensors & Switches
- A/C Control Units
- ABS System Parts
- Self-Leveling Sensors
- EV Charging
- Wiper Motors & Harnesses
- Wiper Switches
- R1 Concepts®Disc Brake Pad Wear SensorDisc Brake Pad Wear Sensor by R1 Concepts®. Brake sensors are your first warning that your brake pads or brake rotors need to be repaired or replaced. When your brake light warning indicator lights up, you need to get your brakes...Designed and produced to have the same form, fit and function as the original equipment part enabling easy installation and ensuring proper fitMade of quality materials ensures durability and resistance to extreme temperatures$1.70 - $38.03
- Rein®Coolant Temperature SensorCoolant Temperature Sensor by Rein®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$7.93 - $13.73
- Vemo®Engine Oil Level SensorEngine 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 quality, performance and reliability. Designed to provide a perfect fit for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.91 - $520.49
- TRQ®Genuine Series Mass Air Flow SensorGenuine Series Mass Air Flow Sensor by TRQ®. TRQ Genuine Series works with Tier 1 Original Equipment manufacturers to provide customers with the same parts supplied to dealerships at a more competitive price point.Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$87.31 - $148.15$90.95 - $155.95Save up to 5%
- TRQ®StarterStarter by TRQ®. For optimum cranking amps and reliable power needed to start your engine, replace your malfunctioning starter with this top-quality starter designed by TRQ. It’s built with a commitment to ensure the highest quality...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$73.87 - $265.95$76.95 - $279.95Save up to 6%
- ACDelco®Gold StarterGold Starter by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$32.22 - $340.23
- TRQ®AlternatorAlternator by TRQ®. The reliable TRQ alternator is right what the doctor ordered to optimally power up your vehicle’s engine battery and other electrical components. Manufactured from superior-grade materials and tested for...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$108.43 - $305.23$112.95 - $317.95Save up to 9%
- Cardone New®Tailgate Window MotorsTailgate Window Motors by Cardone New®. 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 a perfect...100% Load Testing ensures guaranteed performance every time.Brushes are precisely designed to ensure armature and contacts are properly matched$29.87 - $406.76
- Cardone New®Window MotorsWindow Motors by Cardone New®. 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 a perfect fit for a...100% Load Testing ensures guaranteed performance every time.Brushes are precisely designed to ensure armature and contacts are properly matched$29.87 - $406.76
- Cardone Reman®Power Sliding Window MotorsPower Sliding Window Motors by Cardone Reman®. 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 a...Each unit is 100% tested at 2 points in the remanufacturing process for guaranteed performance.Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life.$29.87 - $406.76
- Cardone Reman®Power Window MotorsPower Window Motors by Cardone Reman®. When you need a window motors, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find high prices and poor selection, check out...Designed to look and function like the part your vehicle came withPerfect for your restoration jobs and needs$29.87 - $406.76
- Quality-Built®AlternatorAlternator by Quality-Built®. Get professional installer quality at a DIY price with a Quality Built alternator. These alternators are manufactured under strict QS-9000 quality guidelines, the highest quality standard achievable for...Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability$12.54 - $1,140.01
- Bosch®Premium Oxygen SensorPremium Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that is equally efficient in...OE Identical ConnectorCompact Design$22.51 - $275.22
- TYC®AlternatorAlternator by TYC®. The alternator is one of the parts you want to function properly, otherwise all the comforts given by the electronic components won't be available anymore. And when you need a replacement, TYC will gladly give you a...OE quality at an affordable priceDirect replacement$107.72 - $311.03
- TRQ®Engine Oil Pressure SwitchEngine Oil Pressure Switch by TRQ®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.62 - $34.51$18.95 - $35.95Save up to 8%
- ACDelco®Professional™ AlternatorProfessional™ Alternator by ACDelco®. Thoroughly tested and backed by competitive warranty coverage, ACDelco Professional NEW Alternators - for GM and non-GM vehicles - are manufactured using ISO Quality Standards. ACDelco...Key components are greased to help with long term reliability in harsh conditionsACDelco Professional Alternators are computer tested for voltage stability, terminal function, and electronic circuit board integrity$34.69 - $559.62
- Denso®Oxygen SensorOxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of the...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$25.22 - $723.23
- Cardone Reman®Mass Air Flow SensorMass Air Flow Sensor by Cardone Reman®. Cardone Reman Engineered (CSE) Technology ensures that all MAF sensors meet or exceed O.E. form, fit and function. The sensors precisely track O.E. output curves and maintain tolerances to ensure...On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life$43.02 - $535.85
- ACDelco®Professional™ StarterProfessional™ Starter by ACDelco®. Thoroughly tested and backed by competitive warranty coverage, ACDelco Professional NEW Starters - for GM and non-GM vehicles - are manufactured using ISO Quality Standards. ACDelco NEW Professional...New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent qualityAll components are 100% new to provide improved performance and long-life reliability$33.39 - $437.78
- WAI Global®Power Window RegulatorPower Window Regulator by WAI Global®. If your vehicle's window regulator wore out, WAI has you covered with the right part for your replacement needs. Precisely designed, this premium product provides the same quality, fit and...100% tested to O.E.M. specifications (form, fit and function)Exactly fits in the place of your original part$16.21 - $664.90
- Standard®Door Window SwitchesDoor Window Switches by Standard®. SMP's vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$7.51 - $1,021.34
- Denso®StarterStarter by Denso®. The original Denso gear-reduction starter is an industry benchmark, so rugged and powerful that it is often adapted for racing use. Denso remanufactured starters are subjected to a rigorous test and replacement...High-voltage tested armature and field coils to ensure reliable performancePremium copper terminals to ensure a clean source of electrical current$63.59 - $359.53
- Walker Products®Engine Crankshaft Position SensorEngine 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 and...High quality at an affordable priceExpertly made from premium materials$8.34 - $1,209.51
- Denso®Air Fuel Ratio SensorAir Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of the...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$49.25 - $656.66
- ReplacementPower Window MotorPower Window Motor by Replacement. Window components play a pivotal role in ensuring seamless operation and safeguarding vehicle interiors from external elements. The Replacement brand specializes in manufacturing window components that...Cost-effective alternative to pricey OEM window componentsPerfectly crafted to replace your window's original damaged or aged components$3.23 - $414.26
- Motorcraft®Tested Tough Max BatteryTested Tough Max Battery by Motorcraft®. 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 technologies in design and engineering....Excellent limited warranty coverage - 100-month (8+ years) unlimited mileage36-month (3-year) Free replacement period$166.22 - $317.90
- Bosch®StarterStarter by Bosch®. Whether new or remanufactured, Bosch starters are 100% factory tested to ensure reliable cranking and starting performance under the most extreme operating conditions. Built for precision fit, Bosch starters are the...Designed to withstand the harshest environmentsProvides balanced high speed torque for maximum performance and dependability$34.17 - $691.54
- BBB Industries®Premium™ Remanufactured StarterPremium™ Remanufactured Starter by BBB Industries®. BBB Industries® remanufactured starters meet or exceed OE standards because they're remanufactured using processes similar to the way new starters are made. Components are...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$24.09 - $498.85
- WVE®Power Window SwitchPower Window Switch by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or exceed the OEM...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$9.17 - $2,496.97
- Delphi®MAF SensorMAF Sensor by Delphi®. When it comes to MAF sensors, communication with the ECM is key. That’s why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and therefore send inaccurate readings to...Extensive coverageManufactured to meet or exceed OE requirements and testing$52.50 - $390.86
Shop By Service Type
- Cruise Control Switch Replacement
- Fog Light Relay Replacement
- Sunroof Motor Replacement
- Headlight Closure Relay Replacement
- Air Bag Clockspring Replacement
- Parking Brake Warning Switch Replacement
- Backup Light Switch Replacement
- Vehicle Speed Sensor Replacement
- Cruise Control Clutch Release Switch Replacement
- Door Mirror Switch Replacement
Produced since the mid-90s, the A4 has quickly become a favorite among luxury car buyers thanks to its sharp handling, available Quattro all-wheel drive and beautifully finished cabin. It makes no matter which model year you have, the A4 promises both excellent performance and sleek style inside and out. If you want your Audi A4 to be in top working order, proper maintenance and timely repair are of the utmost value. We carry an exhaustive collection of high-quality Audi A4 electrical parts to keep your vehicle’s electrical system in top shape. When it comes to the electrical system, you can’t cut corners, which is why each product on offer can be relied on for quality.
Power window motors, light switches, ignition switches, starters, oil temperature gauges are just a few products in our huge selection. Cooperating with the leaders in the automotive field such as Rugged Ridge, Auto Meter, SWF, Smittybilt, etc., we want you to make sure that the highest possible quality and optimum performance are what you get with each and every part you purchase from us. To get more information about the electrical part you want to order, contact us and let our highly qualified team members assist you anytime.
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Audi A4 Electrical Reviews
7 reviews
Quick fix for transmission errors.
Replacement ID0136AA0120R00 - Speed SensorPosted by Donald (Houston, TX) / May 24, 20242002 Audi A4
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