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Audi A4 Engine Electrical Parts

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Mass Air Flow Sensor (MAF) - New

ES#2445 - 078133471E - Mass Air Flow Sensor (MAF) - New - Clear Codes, Restore MPGs - Hitachi - Audi Volkswagen

Clear Codes, Restore MPGs ATQ Engine Codes Only

Brand:
Hitachi - Corporate Logo
ES#:
2445
Mfg#:
078133471E
Ships in 6 Business Days
$326.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - Black Coil Pack Wiring Cover & Service Tools

ES#2972587 - 07K905715FS2KT1 - Ignition Service Kit - Black Coil Pack Wiring Cover & Service Tools - Includes four OE red coil packs, OEM spark plugs and black coil pack wiring conduit with all the needed service tools - Assembled By ECS - Audi Volkswagen

Includes four OE red coil packs, OEM spark plugs and black coil pack wiring conduit with all the needed service tools 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2972587
Mfg#:
07K905715FS2KT1
In Stock
ON SALE!
$338.99

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

$326.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter - Remanufactured

ES#259452 - 06B911023XKT - Starter - Remanufactured - Includes a $77 refundable core charge - Bosch - Audi Volkswagen

Includes a $77 refundable core charge We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
259452
Mfg#:
06B911023XKT
Ships in 1 Business Day
$332.99

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

$325.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Starter

ES#2209091 - 078911023X - Remanufactured Starter - Includes a $84.00 refundable core charge. - Bosch - Audi

Includes a $84.00 refundable core charge. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2209091
Mfg#:
078911023X
Back Ordered
$325.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2017505 - BKR6EQUA - Spark Plug - Priced Each - BKR6EQUA NGK - NGK - Audi Volkswagen

BKR6EQUA NGK We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2017505
Mfg#:
BKR6EQUA
In Stock
$9.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#4057487 - 06F133062T - Throttle Body - Includes the throttle sensor - Spectra Premium - Audi Volkswagen

Includes the throttle sensor

Brand:
Spectra Premium - Corporate Logo
ES#:
4057487
Mfg#:
06F133062T
In Stock at Vendor
$321.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 165mm

ES#4818407 - 030905377C - Knock Sensor - 165mm - Detects engine knock and changes timing accordingly (Sensor only) - Bremmen Parts - Audi Volkswagen

Detects engine knock and changes timing accordingly (Sensor only) 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818407
Mfg#:
030905377C
In Stock
ON SALE! SAVE 15%
$28.99

This product was last offered at the strikethrough price on
09-16-2026

$24.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4265462 - 06C905115KT - Ignition Service Kit - Includes four genuine red coil packs and spark plugs. - Genuine Volkswagen Audi - Audi Volkswagen

Includes four genuine red coil packs and spark plugs. Updated push-down style coil packs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4265462
Mfg#:
06C905115KT
Ships in 1 day
$318.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2894839 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Vemo - Audi Volkswagen

Restore fuel economy and performance

Brand:
Vemo - Corporate Logo
ES#:
2894839
Mfg#:
06A906461D
Ships in 1 Business Day
$162.99

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

$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2084873 - 07K903803 - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi

Located on the rear of the alternator Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084873
Mfg#:
07K903803
Ships in 1 day
11% off MSRP

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

$354.99

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

$315.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Seal - Priced Each

ES#2966564 - 058905261A - Coil Pack Seal - Priced Each - For use with "bolt down" style coil packs only - Elring - Audi Volkswagen

For use with "bolt down" style coil packs only 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Elring - Corporate Logo
ES#:
2966564
Mfg#:
058905261A
In Stock
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4173505 - 059906433C - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Bremi - Audi

Also known as the RPM or speed sensor

Brand:
Bremi - Corporate Logo
ES#:
4173505
Mfg#:
059906433C
Ships in 1 Business Day
$49.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2731623 - 058903018CX - Alternator - 120amp - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-199999, split is in the 1999 model year. Please check current alternator for correct amps

Brand:
Valeo - Corporate Logo
ES#:
2731623
Mfg#:
058903018CX
Ships on Nov 2, 2026
$312.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4818484 - 06H906433 - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - Bremmen Parts - Audi Volkswagen

Also known as the RPM or Impulse sensor. 10X Entries Into Our F80 M3 Sweepstakes

From the 2013 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818484
Mfg#:
06H906433
In Stock
ON SALE! SAVE 15%
$22.99

This product was last offered at the strikethrough price on
09-16-2026

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

Alternator - 150Amp

ES#2731611 - 078903016S - Alternator - 150Amp - Keep your charging system running properly - Valeo - Audi

Keep your charging system running properly We Price Match - Give Us A Call or Chat!
Bosch style alternator

Brand:
Valeo - Corporate Logo
ES#:
2731611
Mfg#:
078903016S
Ships on Nov 2, 2026
$308.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Four

ES#593 - FR7LDC+/4 - Spark Plugs - Set Of Four - Keep your engine running strong. - Bosch - Audi Volkswagen

Keep your engine running strong. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
593
Mfg#:
FR7LDC+/4
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
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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