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Audi A4 Engine Electrical Parts

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Remanufactured Alternator - 150amp

ES#2526427 - 06B903016QXKIT - Remanufactured Alternator - 150amp - Price includes a $90 core charge - Bosch - Audi

Price includes a $90 core charge 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2526427
Mfg#:
06B903016QXKIT
Back Ordered
$502.99

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

$414.99 USD
Free Shipping
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 3 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.

$440.00

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

$413.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER14YS Spark Plugs - Set Of Four

ES#4030521 - er14ys-4KT - Brisk Silver Racing ER14YS Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Stock heat range with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4030521
Mfg#:
ER14YS-4KT
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing DR12YS Spark Plug - Set Of Four

ES#4033194 - dr12ysKT - Brisk Silver Racing DR12YS Spark Plug - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! One heat range colder than stock with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4033194
Mfg#:
DR12YSKT
Ships in 4 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Gasket

ES#3448012 - 1J0919133A - Fuel Pump Gasket - Located between the union nut and fuel tank - URO - Audi Volkswagen Porsche

Located between the union nut and fuel tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up To VIN 8E-3-500000, Split is in the 2003 model year

Brand:
URO - Corporate Logo
ES#:
3448012
Mfg#:
1J0919133A
In Stock
$9.99

This product was last offered at the strikethrough price on
02-27-2026

$8.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#272889 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Genuine Volkswagen Audi - Audi Volkswagen

Secures the coolant temperature sensor in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272889
Mfg#:
032121142
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Starter

ES#3188162 - 06D911023AX - Starter - Don't let your vehicle sit with a faulty starter - Valeo - Audi

Don't let your vehicle sit with a faulty starter We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
3188162
Mfg#:
06D911023AX
Ships in 3 Business Days
$204.01 USD
Free Shipping
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
9% 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
08-21-2026

$407.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER14YS Spark Plug - Priced Each

ES#4017483 - ER14YS - Brisk Silver Racing ER14YS Spark Plug - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen Mercedes Benz

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Stock heat range with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4017483
Mfg#:
ER14YS
In Stock
8% off MSRP

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

$12.99

This product was last offered at the strikethrough price on
08-21-2026

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

Fuel Pump

ES#3477541 - 06E127025AB - Fuel Pump - High pressure fuel pump located on the front of the cylinder head - Hitachi - Audi

High pressure fuel pump located on the front of the cylinder head

Brand:
Hitachi - Corporate Logo
ES#:
3477541
Mfg#:
06E127025AB
Back Ordered
$405.99 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 4 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.

$221.99

This product was last offered at the strikethrough price on
08-21-2026

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cigarette Lighter Adapter

ES#3676987 - 56-263 - Cigarette Lighter Adapter - For CTEK Battery Charger - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For CTEK Battery Charger Not For Older Chargers With White Plugs

Brand:
CTEK - Corporate Logo
ES#:
3676987
Mfg#:
56-263
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
$402.99

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

$401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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
Limited Qty Sale
$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
Auto Notify
$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 For Our 25th Anniversary 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

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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