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Audi S4 Engine Electrical Parts

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Multipurpose Relay - Priced Each

ES#2901202 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Vemo - Audi Volkswagen Porsche

Replacement 4 pin relay

Brand:
Vemo - Corporate Logo
ES#:
2901202
Mfg#:
7M0951253A
Ships in 1 Business Day
$22.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Terminal Cap

ES#463508 - 8Z0915429B - Battery Terminal Cap - Help protect the positive battery terminal - Genuine Volkswagen Audi - Audi

Help protect the positive battery terminal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
463508
Mfg#:
8Z0915429B
Ships in 7 Business Days
13% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
09-06-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley Hardware Kit

ES#2855340 - 028903320CKT - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Assembled By ECS - Audi Volkswagen

A new washer and nut to install your pulley 10X Entries Into Our F80 M3 Sweepstakes
For use with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855340
Mfg#:
028903320CKT
Ships in 1-2 days
ON SALE! SAVE 25%
$13.99

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

$10.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay

ES#4333711 - 7M0951253C - Relay - Make sure your electrical components are in working order - Meyle - Audi Volkswagen

Make sure your electrical components are in working order 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4333711
Mfg#:
7M0951253C
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up

BOLT

ES#470361 - N90635404 - BOLT - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470361
Mfg#:
N90635404
Ships in 1-2 days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Eye Terminal End - 10mm - Priced Each

ES#2839901 - EL2710MMEYE - Rennline Eye Terminal End - 10mm - Priced Each - Copper crimpable terminal ends for custom battery and kill switch installations - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Copper crimpable terminal ends for custom battery and kill switch installations

Brand:
Rennline - Corporate Logo
ES#:
2839901
Mfg#:
EL2710MMEYE
Ships in 5 Business Days
$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Offset Oxygen Sensor Wrench- Extended

ES#4001169 - CTA2065 - Offset Oxygen Sensor Wrench- Extended - Extra length is needed sometimes - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Extra length is needed sometimes

Brand:
CTA Tools - Corporate Logo
ES#:
4001169
Mfg#:
CTA2065
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Head Bolt With Shoulder - Priced Each

ES#471389 - N90975402 - Hex Head Bolt With Shoulder - Priced Each - Install new hardware with your new parts. M12x90 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x90 For vehicles with manual transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471389
Mfg#:
N90975402
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - black

ES#252339 - 06A919081J - Oil Pressure Sender - black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Meyle - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
252339
Mfg#:
06A919081J
Ships on Sep 23, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - priced each

ES#472679 - WHT002287B - O-ring - priced each - Used to seal the coolant temperature sensor - Genuine Volkswagen Audi - Audi Volkswagen

Used to seal the coolant temperature sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472679
Mfg#:
WHT002287B
Ships on Sep 8, 2026
11% off MSRP

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

$2.23

This product was last offered at the strikethrough price on
09-06-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

Measures cam position and relays it to the ECU

Brand:
Hitachi - Corporate Logo
ES#:
5396991
Mfg#:
058905161B
Ships in 6 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2840855 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meyle - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2840855
Mfg#:
06A919501A
Ships on Sep 23, 2026
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermal Switch - 2 Pin

ES#2608211 - 357919369F - Thermal Switch - 2 Pin - Located in the coolant pipe that connects to the cylinder head - Febi - Audi Volkswagen

Located in the coolant pipe that connects to the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2608211
Mfg#:
357919369F
Back Ordered
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#2535805 - 058905379 - Air Temperature Sensor - Measures the temperature of the air entering the engine - Meyle - Audi Volkswagen

Measures the temperature of the air entering the engine 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2535805
Mfg#:
058905379
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Treatment Kit

ES#4430758 - mc101nocoKT - Battery Treatment Kit - Every thing you need to keep your battery terminals clean. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Every thing you need to keep your battery terminals clean.

Brand:
NOCO - Corporate Logo
ES#:
4430758
Mfg#:
MC101NOCOKT
In Stock
$9.00

This product was last offered at the strikethrough price on
05-27-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Crankshaft Position Sensor

Also known as the RPM or speed sensor Manual transmission models

Brand:
Hitachi - Corporate Logo
ES#:
5397126
Mfg#:
06A906433C
In Stock
ON SALE! SAVE 11%
$18.99

This product was last offered at the strikethrough price on
07-14-2026

$16.99 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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