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Audi S4 Engine Electrical Parts

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Green Knock Sensor With Harness - 465mm

ES#3550011 - 06E905377J - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Genuine Volkswagen Audi - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cylinders 1-3

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3550011
Mfg#:
06E905377J
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.

$143.99

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

$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4361440 - 06E905115GKT1 - Ignition Service Kit - Includes six Bremi red coil packs and six Genuine spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Bremi red coil packs and six Genuine 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#:
4361440
Mfg#:
06E905115GKT1
Ships in 2 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#4142084 - 8D0906087AE - Fuel Pump Assembly - Located inside the fuel tank - Delphi - Audi

Located inside the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Delphi - Corporate Logo
ES#:
4142084
Mfg#:
8D0906087AE
In Stock at Vendor
$268.99

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

$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#3419448 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - NTK - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
NTK - Corporate Logo
ES#:
3419448
Mfg#:
06E906265Q
Ships in 2 Business Days
$104.78

This product was last offered at the strikethrough price on
01-23-2026

$104.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump - Assembly

ES#3521954 - 8D0906087AE - Fuel Pump - Assembly - Located inside the fuel tank - URO - Audi

Located inside the fuel tank 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#:
3521954
Mfg#:
8D0906087AE
Ships in 1 Business Day
$257.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4361442 - 06E905115GKT2 - Ignition Service Kit - Includes six Bremi red coil packs and six NGK spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Bremi red coil packs and six NGK 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#:
4361442
Mfg#:
06E905115GKT2
In Stock
$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Self-Adjusting Wire Crimper & Stripper Pliers

ES#4826864 - 3774SCH01A - Schwaben Self-Adjusting Wire Crimper & Stripper Pliers - Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4826864
Mfg#:
3774SCH01A
In Stock
ON SALE! SAVE 15%
$22.99

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

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - 2 Pin

ES#2726823 - 06E919081G - Oil Pressure Sender - 2 Pin - Senses engine oil pressure for the gauge and ECU - Genuine Volkswagen Audi - Audi

Senses engine oil pressure for the gauge and ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2726823
Mfg#:
06E919081G
Ships in 1 day
12% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
02-26-2026

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

Ignition Coil Puller Kit - 4 Pieces

ES#4608461 - icr-01-04KT - Ignition Coil Puller Kit - 4 Pieces - The proper tools to remove your coil packs - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

The proper tools to remove your coil packs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4608461
Mfg#:
ICR-01-04KT
Ships on Jun 23, 2026
Auto Notify
ON SALE! SAVE 40%
$92.99

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

$55.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#452225 - 8K0906271 - Leak Detection Pump - Tests the fueling system for leaks - Genuine Volkswagen Audi - Audi

Tests the fueling system for leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 3/5/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452225
Mfg#:
8K0906271
Ships in 1 day
$485.99

This product was last offered at the strikethrough price on
03-09-2026

$471.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

ES#258893 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Pierburg - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
258893
Mfg#:
026906283J
In Stock at Vendor
$114.83

This product was last offered at the strikethrough price on
03-21-2026

$104.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#285177 - 079906601E - Secondary Air Pump - A common cause of emissions issues - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285177
Mfg#:
079906601E
Ships in 7 Business Days
5% off MSRP

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

$992.99

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

$941.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#3561443 - 079959231L - Secondary Air Injection Pump - 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
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561443
Mfg#:
079959231L
Ships in 1 day
5% off MSRP

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

$980.00

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

$930.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4818427 - 059919501A - Coolant Temperature Sensor - Green coolant temp sensor, located commonly in the cooling flange near the head - Bremmen Parts - Audi Volkswagen

Green coolant temp sensor, located commonly in the cooling flange near the head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818427
Mfg#:
059919501A
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Pack Puller

ES#4588969 - IC-04 - Ignition Coil Pack Puller - Remove ignition coils easily, without damaging them - Schwaben - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Remove ignition coils easily, without damaging them affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4588969
Mfg#:
IC-04
In Stock
ON SALE! SAVE 35%
$21.99

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

$14.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#3179113 - 079959231G - Secondary Air Injection Pump - Order Block (Dealer Only) - Reserved for warranty repairs - Genuine Volkswagen Audi - Audi

Order Block (Dealer Only) - Reserved for warranty repairs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3179113
Mfg#:
079959231G
Ships in 1 day
5% off MSRP

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

$975.99

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

$925.99 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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