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Audi A4 Engine Electrical Parts

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Throttle Body

ES#2894965 - 078133062B - Throttle Body - Does not include gaskets or hardware - Vemo - Audi Volkswagen

Does not include gaskets or hardware For vehicles with ATQ engine code only

Brand:
Vemo - Corporate Logo
ES#:
2894965
Mfg#:
078133062B
In Stock
ON SALE! SAVE 24%
$524.99

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

$400.99 USD
Free Shipping
on orders $49 and up

Alternator - 120 Amps

ES#259915 - 078903016H - Alternator - 120 Amps - Brand new, no core charge - Valeo - Audi

Brand new, no core charge We Price Match - Give Us A Call or Chat!
For vehicles with Valeo style alternators. Please check current alternator for correct part number

Brand:
Valeo - Corporate Logo
ES#:
259915
Mfg#:
078903016H
Back Ordered
$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - Stage 2

ES#2730878 - 09356KT2 - Ignition Service Kit - Stage 2 - Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil - Assembled By ECS - Audi

Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730878
Mfg#:
09356KT2
Back Ordered
ON SALE!
$417.99

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

$400.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4727582 - 06A906433G - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - URO - Audi Volkswagen

Also known as the RPM or Impulse sensor. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4727582
Mfg#:
06A906433G
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Harness

ES#281489 - 06H971627 - Fuel Injector Harness - Connects the fuel injectors to the main engine harness - Genuine Volkswagen Audi - Audi

Connects the fuel injectors to the main engine harness Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281489
Mfg#:
06H971627
Ships in 2 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.

$440.00

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

$398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump Union Nut

ES#315695 - 1K0201375 - In-Tank Fuel Pump Union Nut - Secures in-take fuel pump assembly to the fuel tank - Genuine Volkswagen Audi - Audi Volkswagen

Secures in-take fuel pump assembly to the fuel tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315695
Mfg#:
1K0201375
Ships in 1 day
14% off MSRP

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

$21.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#8034 - 5304-4 - Spark Plugs - Set Of Four - Keep your engine running strong with iridium core plugs. - Denso - Audi Volkswagen

Keep your engine running strong with iridium core plugs.

Brand:
Denso - Corporate Logo
ES#:
8034
Mfg#:
5304-4
In Stock
$33.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Connector Housing - Female Connector

ES#4303 - 1J0973775A - Mass Air Flow Connector Housing - Female Connector - Contact housing for the MAF sensor - Genuine Volkswagen Audi - Audi Volkswagen

Contact housing for the MAF sensor Engine codes ATW & AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4303
Mfg#:
1J0973775A
In Stock
25% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
08-12-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump

ES#3087869 - 8W0919087K - In-Tank Fuel Pump - Get your vehicle running again - Genuine Volkswagen Audi - Audi

Get your vehicle running again

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087869
Mfg#:
8W0919087K
Ships in 7 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.

$445.99

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

$393.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Housing

ES#442062 - 8E1907355C - ECU Housing - Keep your ECU protected - Genuine Volkswagen Audi - Audi

Keep your ECU protected

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442062
Mfg#:
8E1907355C
Ships in 9 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.

$221.99

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

Alternator - 150amp

ES#2725353 - 06B903016QX - Alternator - 150amp - New alternator with no core charge - Valeo - Audi

New alternator with no core charge We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2725353
Mfg#:
06B903016QX
Ships on Oct 29, 2026
$389.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Impulse Sensor - Priced Each

ES#4069635 - 06E905163 - Camshaft Impulse Sensor - Priced Each - Keep your engine running strong - Bosch - Audi

Keep your engine running strong We Price Match - Give Us A Call or Chat!
Up to production date 5/15/2006

Brand:
Bosch - Corporate Logo
ES#:
4069635
Mfg#:
06E905163
Ships in 1 Business Day
$35.99

This product was last offered at the strikethrough price on
09-20-2026

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

Washer - Priced Each

ES#465962 - N01155813 - Washer - Priced Each - Install new hardware with your new parts. 8.4x15x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8.4x15x1.6 Used in securing the alternator to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465962
Mfg#:
N01155813
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
Ships in 5 Business Days
25% off MSRP

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

$39.95

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

$29.94 USD
Free Shipping
on orders $49 and up

Remanufactured Mass Air Flow Sensor (MAF)

ES#2530063 - 037906461CX - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $25 refundable core charge From VIN 8D-W-080001, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2530063
Mfg#:
037906461CX
Ships in 7 Business Days
$401.99

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

$387.99 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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