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Audi S4 Engine Sensors

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Knock Sensor - Blue Connector - Priced Each

ES#2524958 - 054905377G - Knock Sensor - Blue Connector - Priced Each - Detects engine ping for timing adjustment - MTC - Audi Volkswagen

Detects engine ping for timing adjustment Up to VIN 8D-X-260000, split is in the 1999 model year

Brand:
MTC - Corporate Logo
ES#:
2524958
Mfg#:
054905377G
Ships in 9 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4057416 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - ACM - Audi

Prevents excess pressure from building within the system

Brand:
ACM - Corporate Logo
ES#:
4057416
Mfg#:
4H0959126B
Back Ordered
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#4342572 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Febi - Audi Volkswagen

Measures cam position and relays it to the ECU We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342572
Mfg#:
058905161B
Ships on Dec 3, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring - 2 Pin

ES#4872601 - 025906041AKT - Coolant Temperature Sensor With O-Ring - 2 Pin - Blue sensor used by the ECU to control engine fueling - Vemo - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling

Brand:
Vemo - Corporate Logo
ES#:
4872601
Mfg#:
025906041AKT
In Stock
ON SALE! SAVE 50%
$14.99

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

$7.54 USD
Free Shipping
on orders $49 and up

Crankshaft/Camshaft Position Sensor

ES#4849666 - 057906433B - Crankshaft/Camshaft Position Sensor - Also referred to as the impulse sender - URO - Audi

Also referred to as the impulse sender 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4849666
Mfg#:
057906433B
Ships in 1 Business Day
$35.99

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

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

Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings

Brand:
Four Seasons - Corporate Logo
ES#:
4057463
Mfg#:
06A919501A
Ships in 1 Business Day
$32.99

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

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

Camshaft Position Sensor

ES#3438780 - 06C905163B - Camshaft Position Sensor - Located on the side of the camshaft in the cylinder head. - Bougicord - Audi Volkswagen

Located on the side of the camshaft in the cylinder head. Right side cam position sensor

Brand:
Bougicord - Corporate Logo
ES#:
3438780
Mfg#:
06C905163B
Ships in 1-2 days
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#3520837 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Holstein - Audi Volkswagen

Measures cam position and relays it to the ECU

Brand:
Holstein - Corporate Logo
ES#:
3520837
Mfg#:
058905161B
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#5480691 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Bremmen Parts - Audi Volkswagen Porsche

Located in the cylinder head 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480691
Mfg#:
07L905163C
In Stock
ON SALE!
$25.99

This product was last offered at the strikethrough price on
08-26-2026

$24.04 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

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

More About Engine Sensors

Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.

Let us help you find the parts that fit your Audi

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