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Audi S4 Engine Electrical Parts

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ES#4490396 - 4680-1 - Oxygen Sensor Socket - 22mm - Properly remove stubborn o2 sensors. - Hazet - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly remove stubborn o2 sensors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

This product was last offered at the strikethrough price on
05-07-2026

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2500528 - 5304058905105KIT - Ignition Service Kit - Includes six Beru coil packs and Denso spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and Denso spark plugs to service your ignition affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2500528
Mfg#:
5304058905105KIT
Ships in 1 Business Day
$384.99

This product was last offered at the strikethrough price on
04-09-2026

$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#280992 - 06E903119M - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi

Does not include securing hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits all up to the 2012 model year. For Bosch style alternators from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280992
Mfg#:
06E903119M
Ships in 7 Business Days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$379.99

This product was last offered at the strikethrough price on
06-08-2026

$346.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2678226 - 4H0951253A -  Multipurpose Relay - Priced Each - Replacement 4-pin/30 amp relay - Bosch - Audi Volkswagen

Replacement 4-pin/30 amp relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2678226
Mfg#:
4H0951253A
In Stock
74% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$27.30

This product was last offered at the strikethrough price on
03-16-2026

$7.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4699464 - 8K0906093H - Fuel Pump Control Unit - Controls fuel pump pressure from the tank - URO - Audi

Controls fuel pump pressure from the tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For Pre-Facelift models

Brand:
URO - Corporate Logo
ES#:
4699464
Mfg#:
8K0906093H
Ships in 1 Business Day
$85.99 USD
Free Shipping
on orders $49 and up
ES#4504870 - 1J0907660F - Oil Level Sensor - Mounted on the bottom of the oil pan - Vemo - Audi Volkswagen

Mounted on the bottom of the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4504870
Mfg#:
1J0907660F
In Stock at Vendor
$133.99

This product was last offered at the strikethrough price on
03-10-2026

$114.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4883340 - N01508210 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Rein - Audi Volkswagen

Install new hardware with your new parts. M6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883340
Mfg#:
N01508210
In Stock
$2.19

This product was last offered at the strikethrough price on
04-27-2026

$2.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4173505 - 059906433C - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Bremi - Audi

Also known as the RPM or speed sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Bremi - Corporate Logo
ES#:
4173505
Mfg#:
059906433C
Ships in 1 Business Day
$49.99

This product was last offered at the strikethrough price on
05-07-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731610 - 038903018FX - Alternator - 120 Amps - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Valeo - Corporate Logo
ES#:
2731610
Mfg#:
038903018FX
Back Ordered
$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4475298 - 06M905606F4KT - Performance Ignition Service Kit - Includes six Red CTS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red CTS coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475298
Mfg#:
06M905606F4KT
Ships in 3 Business Days
$331.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708324 - VWR900002-6KT - RacingLine Higher Output Ignition Coils - Grey - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708324
Mfg#:
VWR900002-6KT
Ships in 6 Business Days
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4849670 - 059906433E - Crankshaft/Camshaft Position Sensor - Also known as the RPM or Impulse sensor. - URO - Audi

Also known as the RPM or Impulse sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
URO - Corporate Logo
ES#:
4849670
Mfg#:
059906433E
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3537032 - 03C906051F - MAP Sensor  - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger - Hamburg Tech - Audi Volkswagen Porsche

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Located on the rear of the supercharger

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537032
Mfg#:
03C906051F
In Stock
$18.27 USD
Free Shipping
on orders $49 and up
ES#2950498 - TTN45227 - Titan 96-Piece ATO Blade Fuse Assortment - Convenient re-sealable plastic case - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Convenient re-sealable plastic case affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
2950498
Mfg#:
TTN45227
Ships in 7 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894740 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Vemo - Audi Volkswagen

Measures cam position and relays it to the ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894740
Mfg#:
058905161B
In Stock at Vendor
$32.99

This product was last offered at the strikethrough price on
05-07-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#472463 - WHT001011A - Sealing O-Ring - Priced Each - Sealing o-ring used in various areas on your European vehicle - 12.2x1.65 - Genuine Volkswagen Audi - Audi

Sealing o-ring used in various areas on your European vehicle - 12.2x1.65 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the connection between the cooling hoses and the alternator. - From VIN 8E-7-085001, split is in the 2007 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472463
Mfg#:
WHT001011A
In Stock
$3.99

This product was last offered at the strikethrough price on
05-16-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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