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Audi S4 Engine Electrical Parts

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Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
4690990
Mfg#:
06M919501
In Stock
Limited Qty Sale
$45.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 3 Bank 12V 15 Amp On-Board Battery Charger - NOCO

A three-bank onboard battery charger rated at 15-amps (5-amps per bank) for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
NOCO - Corporate Logo
ES#:
4355164
Mfg#:
GEN5X3
Ships in 9 Business Days
20% off MSRP

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

$249.95

This product was last offered at the strikethrough price on
10-26-2026

$199.94 USD
Free Shipping
on orders $49 and up

High Flow Fuel Pump - 270 LPH

ES#4760097 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Hamburg Tech - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4760097
Mfg#:
0580254044
Ships in 4 Business Days
$99.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

ES#12056 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Genuine Volkswagen Audi - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
12056
Mfg#:
026906283J
Ships in 3 Business Days
13% off MSRP

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

$224.99

This product was last offered at the strikethrough price on
08-31-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
2894740
Mfg#:
058905161B
Ships in 2 Business Days
$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

Allen Bolt - Priced Each

ES#467365 - N10080204 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x50 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x50 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467365
Mfg#:
N10080204
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#1832875 - 8d0959482b - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Mahle-Behr - Audi Volkswagen

Prevents excess pressure from building within the system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mahle-Behr - Corporate Logo
ES#:
1832875
Mfg#:
8D0959482B
Ships in 2 Business Days
$213.85

This product was last offered at the strikethrough price on
07-15-2026

$188.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#5480691 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Bremmen Parts - Audi Volkswagen Porsche

Located in the cylinder head 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480691
Mfg#:
07L905163C
Ships in 8 Business Days
ON SALE! SAVE 10%
$25.99

This product was last offered at the strikethrough price on
10-08-2026

$23.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#4780130 - 06B903803B - Voltage Regulator - Located on the rear of the alternator - Vemo - Audi Volkswagen

Located on the rear of the alternator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with Valeo alternator only

Brand:
Vemo - Corporate Logo
ES#:
4780130
Mfg#:
06B903803B
Ships in 2 Business Days
$191.99

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

$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Sending Unit

ES#3181330 - 8W0919047C - Fuel Tank Sending Unit - Fuel level gauge for the fuel tank - Genuine Volkswagen Audi - Audi

Fuel level gauge for the fuel tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 07/30/2018

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181330
Mfg#:
8W0919047C
In Stock
10% off MSRP

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

$204.99

This product was last offered at the strikethrough price on
10-26-2026

$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits the left and right position

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373885
Mfg#:
06E906265AJ
Special Order: No Guaranteed ETA
ON SALE! SAVE 10%
$203.99

This product was last offered at the strikethrough price on
05-02-2026

$183.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake System Vacuum Solenoid

ES#2663732 - 026906283J - Intake System Vacuum Solenoid - Controls actuation of the Combi Valve or Diverter Valve - Genuine Volkswagen Audi - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2663732
Mfg#:
026906283J
Ships in 3 Business Days
12% off MSRP

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

$208.99

This product was last offered at the strikethrough price on
08-31-2026

$182.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK MUS 4.3 POLAR

ES#4492816 - 56-958 - CTEK MUS 4.3 POLAR - The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22F (-30C). - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C). Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
CTEK - Corporate Logo
ES#:
4492816
Mfg#:
56-958
In Stock at Vendor
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4040035 - 06E905115E - Ignition Coil - Priced Each - Get rid of that nasty misfire. Features a Red colored top - Hella - Audi Volkswagen

Get rid of that nasty misfire. Features a Red colored top Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Hella - Corporate Logo
ES#:
4040035
Mfg#:
06E905115E
Ships on Dec 10, 2026
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Priced Each

ES#251051 - 101905631G - Spark Plugs - Priced Each - Keep your engine running at maximum capacity with these replacement spark plugs. - Genuine Volkswagen Audi - Audi

Keep your engine running at maximum capacity with these replacement spark plugs. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251051
Mfg#:
101905631G
In Stock
10% off MSRP

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

$33.15

This product was last offered at the strikethrough price on
10-26-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2176249 - 101905631G-6 - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For models that came with factory Bosch plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2176249
Mfg#:
101905631G-6
In Stock
$179.94 USD
Free Shipping
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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