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Audi A4 Engine Sensors

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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
Special Order: No Guaranteed ETA
$18.99 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

Oil Pressure Sender

ES#2894898 - 06E919031 - Oil Pressure Sender - Senses engine oil pressure for the ECU and warning light - Vemo - Audi

Senses engine oil pressure for the ECU and warning light Up to VIN 8E-5-581000, split is in the 2005 model year

Brand:
Vemo - Corporate Logo
ES#:
2894898
Mfg#:
06E919031
Ships in 1-2 days
$23.99

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

$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!
2-pin temperature sensor located in lower radiator hose

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

Washer - Priced Each

ES#2770178 - N01152426 - Washer - Priced Each - Install new hardware with your new parts. 6.4x12x1.6 - ECS - Audi Volkswagen

Install new hardware with your new parts. 6.4x12x1.6 10X Entries Into Our F80 M3 Sweepstakes

Used in securing the camshaft sensor to the cylinder head

Brand:
ECS - Corporate Logo
ES#:
2770178
Mfg#:
N01152426
In Stock
ON SALE! SAVE 50%
$1.99

This product was last offered at the strikethrough price on
05-14-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

Also known as the RPM or speed sensor

Brand:
Hitachi - Corporate Logo
ES#:
5397126
Mfg#:
06A906433C
In Stock
Limited Qty Sale
$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

Camshaft Impulse Sensor - Priced Each

ES#4839776 - 06E905163 - Camshaft Impulse Sensor - Priced Each - Keep your engine running strong - URO - Audi

Keep your engine running strong 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to production date 5/15/2006

Brand:
URO - Corporate Logo
ES#:
4839776
Mfg#:
06E905163
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Safety Switch

ES#4142138 - 8D0959482B - A/C Pressure Safety Switch - Prevents excess pressure from building within the system - Santech - Audi Volkswagen

Prevents excess pressure from building within the system From VIN 8D-V-000001, split is in the 1997 model year

Brand:
Santech - Corporate Logo
ES#:
4142138
Mfg#:
8D0959482B
Ships in 1-2 days
$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - 1.4 Bar

ES#2873350 - 068919081D - Oil Pressure Switch - 1.4 Bar - Senses low engine oil pressure - Febi - Audi Volkswagen

Senses low engine oil pressure We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Febi - Corporate Logo
ES#:
2873350
Mfg#:
068919081D
Ships on Jan 29, 2027
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender

ES#2894877 - 06D919031 - Oil Pressure Sender - Located on top of the oil filter adapter - Vemo - Audi

Located on top of the oil filter adapter Up To VIN 8E-5-533000, split is in 2005 model year

Brand:
Vemo - Corporate Logo
ES#:
2894877
Mfg#:
06D919031
Special Order: No Guaranteed ETA
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#3471582 - N01024230 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x25 Secures the impulse rotor to the intake cam

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471582
Mfg#:
N01024230
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vehicle Speed Sensor

ES#2812846 - 012409191D - Vehicle Speed Sensor - Used to provide the input signal to the speedometer - Hamburg Tech - Audi Volkswagen

Used to provide the input signal to the speedometer We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812846
Mfg#:
012409191D
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2813031 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Hamburg Tech - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings We Price Match - Give Us A Call or Chat!
2-pin temperature sensor located in lower radiator hose

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813031
Mfg#:
06A919501A
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - 2 Pin

Senses engine oil pressure for the gauge and ECU

Brand:
Facet - Corporate Logo
ES#:
3691752
Mfg#:
06E919081C
Ships in 1 Business Day
$12.99

This product was last offered at the strikethrough price on
07-15-2026

$11.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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