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Audi A4 Engine Electrical Parts

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Battery Disconnect Switch - 4 Terminal

ES#3604639 - EL-LA4578 - Battery Disconnect Switch - 4 Terminal - Quickly shut down your battery in an emergency. - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Quickly shut down your battery in an emergency.

Brand:
Rennline - Corporate Logo
ES#:
3604639
Mfg#:
EL-LA4578
Ships in 4 Business Days
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2894916 - 06H906433 - Crankshaft Position Sensor - Also known as the RPM or impulse sensor - Vemo - Audi Volkswagen

Also known as the RPM or impulse sensor Up to the 2012 model year

Brand:
Vemo - Corporate Logo
ES#:
2894916
Mfg#:
06H906433
In Stock at Vendor
$60.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reference Sensor

ES#1892361 - 078905375 - Reference Sensor - Ignition Timing Sensor - Meyle - Audi

Ignition Timing Sensor We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1892361
Mfg#:
078905375
Ships on Sep 9, 2026
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#2636013 - 3R0959126 - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - ACM - Audi

Prevents excess pressure from building within the system

Brand:
ACM - Corporate Logo
ES#:
2636013
Mfg#:
3R0959126
Back Ordered
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bumper 300

Don't scratch your paint with your battery tender.

Brand:
CTEK - Corporate Logo
ES#:
4492820
Mfg#:
40-060
In Stock at Vendor
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#2090863 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - MTC - Audi Volkswagen

Measures cam position and relays it to the ECU

Brand:
MTC - Corporate Logo
ES#:
2090863
Mfg#:
058905161B
Ships in 9 Business Days
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender, Blue, 4-Pin

ES#523211 - 078919501B - Coolant Temperature Sender, Blue, 4-Pin - Blue sensor with square connector. Please check existing sensor color - Vemo - Audi Volkswagen

Blue sensor with square connector. Please check existing sensor color Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
523211
Mfg#:
078919501B
Ships on Dec 16, 2026
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4057615 - 06A906433G - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - Spectra Premium - Audi Volkswagen

Also known as the RPM or Impulse sensor.

Brand:
Spectra Premium - Corporate Logo
ES#:
4057615
Mfg#:
06A906433G
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Control Module

ES#3407 - 8D0905351 - Ignition Control Module - Cure misfires and clear the check engine light - Beru - Audi

Cure misfires and clear the check engine light Engine code AEB - For vehicles with Hitachi style ICM

Brand:
Beru - Corporate Logo
ES#:
3407
Mfg#:
8D0905351
Ships in 1-2 days
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2866194 - 06A906433G - Crankshaft Position Sensor - Also known as the RPM or Impulse sensor. - Febi - Audi Volkswagen

Also known as the RPM or Impulse sensor. We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866194
Mfg#:
06A906433G
Ships on Nov 18, 2026
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Green Knock Sensor With Harness - 465mm

ES#4135454 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Facet - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector For cylinders 1-3

Brand:
Facet - Corporate Logo
ES#:
4135454
Mfg#:
06E905376A
Back Ordered
$57.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#3706346 - 070903803E - Voltage Regulator - Huco - Audi Volkswagen

Brand:
Huco - Corporate Logo
ES#:
3706346
Mfg#:
070903803E
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2561721 - 165906381 - Multipurpose Relay - Priced Each - Electronic control module relay - Vemo - Audi Volkswagen

Electronic control module relay From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
2561721
Mfg#:
165906381
Ships on Aug 24, 2026
$18.99

This product was last offered at the strikethrough price on
08-18-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Clip - Priced Each

ES#280268 - 06C129797 - Retaining Clip - Priced Each - Secures the MAF sensor to the air box - Genuine Volkswagen Audi - Audi

Secures the MAF sensor to the air box

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280268
Mfg#:
06C129797
Ships in 2 Business Days
$7.99 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

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

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