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Audi S4 Engine Electrical Parts

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Boost X UltraSafe Lithium 4250 Amp Jump Starter - NOCO

ES#4389659 - GBX155 - Boost X UltraSafe Lithium 4250 Amp Jump Starter - NOCO - X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 10.0L and diesel engines up to 8.0L. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 10.0L and diesel engines up to 8.0L. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4389659
Mfg#:
GBX155
In Stock
16% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
06-07-2026

$369.99 USD
Free Shipping
on orders $49 and up
This product has been superseded to ES#4046596

Coolant Temperature Sensor - 2 Pin

ES#257175 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257175
Mfg#:
06A919501A
In Stock
14% off MSRP

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

$56.52

This product was last offered at the strikethrough price on
06-07-2026

$48.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4172140 - 06H906052B - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Genuine Volkswagen Audi - Audi Volkswagen

Replace your faulty sensor to restore engine performance and fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production dates from 09/12/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4172140
Mfg#:
06H906052B
Ships in 2 Business Days
3% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
06-07-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor - Priced Each

ES#4849611 - 06E906051AC - MAP Sensor - Priced Each - one located on both the charge pipe and inlet after the throttle body - Bosch - Audi

one located on both the charge pipe and inlet after the throttle body 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#:
4849611
Mfg#:
06E906051AC
In Stock
$97.99

This product was last offered at the strikethrough price on
05-04-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Blue - Priced Each

ES#4708243 - VWR900000 - RacingLine Higher Output Ignition Coil - Blue - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

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#:
4708243
Mfg#:
VWR900000
Ships on Jun 29, 2026
Auto Notify
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IP High Performance Ignition Coil Set - Set Of Six

ES#4389439 - IP-A121606 - IP High Performance Ignition Coil Set - Set Of Six - 4X more spark energy than stock coils! - Ignition Projects - Audi

4X more spark energy than stock coils! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ignition Projects - Corporate Logo
ES#:
4389439
Mfg#:
IP-A121606
Ships in 3 Business Days
$895.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#3188238 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - URO - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3188238
Mfg#:
WHT005184
In Stock
$4.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Harness - Right

ES#2084809 - 06E971627N - Fuel Injector Harness - Right - Connects the fuel injectors to the main engine harness - Genuine Volkswagen Audi - Audi

Connects the fuel injectors to the main engine harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084809
Mfg#:
06E971627N
Ships in 10 Business Days
6% off MSRP

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

$461.99

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

$434.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#3631347 - 8W0906265AK - Oxygen Sensor - Rear - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3631347
Mfg#:
8W0906265AK
Ships in 1 day
8% off MSRP

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

$270.00

This product was last offered at the strikethrough price on
06-07-2026

$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#4039415 - 078906283B - Waste Gate Frequency Control N75 Valve - Controls the boost pressure on the turbocharger system - Vemo - Audi

Controls the boost pressure on the turbocharger system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4039415
Mfg#:
078906283B
In Stock
$138.99

This product was last offered at the strikethrough price on
05-14-2026

$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (2)

ES#4460501 - 8K0973702-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (2) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460501
Mfg#:
8K0973702-KIT
In Stock
ON SALE! SAVE 41%
$23.99

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

$14.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2153855 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2153855
Mfg#:
059919501A
In Stock
29% off MSRP

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

$57.99

This product was last offered at the strikethrough price on
06-07-2026

$41.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump

ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump - AEMs 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics - Audi Volkswagen

AEM’s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most applications

Brand:
AEM Electronics - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
In Stock at Vendor
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Red - Priced Each

ES#4708244 - VWR900001 - RacingLine Higher Output Ignition Coil - Red - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

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#:
4708244
Mfg#:
VWR900001
Ships in 1 Business Day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4742865 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
URO - Corporate Logo
ES#:
4742865
Mfg#:
079959231L
In Stock
$329.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#3552899 - 079906601E - Secondary Air Pump - A common cause of emissions issues - Pierburg - Audi

A common cause of emissions issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
3552899
Mfg#:
079906601E
Ships in 1 day
$547.22 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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