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Audi S4 Engine Sensors

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7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
In Stock
ON SALE! SAVE 25%
$48.99

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

$36.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#1876 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bosch - Audi Volkswagen

Measures cam position and relays it to the ECU 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1876
Mfg#:
058905161B
In Stock
$110.99

This product was last offered at the strikethrough price on
03-24-2026

$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#4135675 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits the left and right position

Brand:
Bosch - Corporate Logo
ES#:
4135675
Mfg#:
06E906265AJ
In Stock
ON SALE!
$369.20

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

$358.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#3620053 - 03C907660S - Oil Level Sensor - Mounted on the bottom of the oil pan - Hella - Audi Volkswagen

Mounted on the bottom of the oil pan From the 2013 model year

Brand:
Hella - Corporate Logo
ES#:
3620053
Mfg#:
03C907660S
In Stock
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4 Bar MAP Sensors

ES#4689967 - 034-111-5003 - 4 Bar MAP Sensors - A direct drop-in replacement when combined with the proper software. - 034Motorsport - Audi

A direct drop-in replacement when combined with the proper software.

Brand:
034Motorsport - Corporate Logo
ES#:
4689967
Mfg#:
034-111-5003
In Stock
$233.00 USD
Free Shipping

IE 4 BAR MAP Sensors

ES#4920867 - IEELVZ1 - IE 4 BAR MAP Sensors - A direct drop-in replacement when combined with the proper software. - Integrated Engineering - Audi

A direct drop-in replacement when combined with the proper software. 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4920867
Mfg#:
IEELVZ1
In Stock
$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2143508 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located in the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2143508
Mfg#:
07L905163C
In Stock
13% off MSRP

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

$116.64

This product was last offered at the strikethrough price on
06-08-2026

$100.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - black

ES#279800 - 06A919081J - Oil Pressure Switch - black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Genuine Volkswagen Audi - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279800
Mfg#:
06A919081J
In Stock
27% off MSRP

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

$50.81

This product was last offered at the strikethrough price on
07-25-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4057428 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Facet - Audi Volkswagen

Located in the cylinder head

Brand:
Facet - Corporate Logo
ES#:
4057428
Mfg#:
07L905163C
In Stock
$35.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#3561442 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561442
Mfg#:
079919523J
In Stock
6% off MSRP

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

$53.32

This product was last offered at the strikethrough price on
07-25-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#4069386 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Fits left and right side - Bosch - Audi

Fits left and right side 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069386
Mfg#:
06E906265Q
In Stock
$192.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#261717 - 06C133471A - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Hitachi - Audi

Restore fuel economy and performance From the 2001 model year

Brand:
Hitachi - Corporate Logo
ES#:
261717
Mfg#:
06C133471A
In Stock
$181.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shouldered Nut - Priced Each

ES#466552 - N01508210 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466552
Mfg#:
N01508210
In Stock
3% off MSRP

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

$3.55

This product was last offered at the strikethrough price on
07-25-2026

$3.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#264174 - 059919501AKT2 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Genuine Volkswagen Audi - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
264174
Mfg#:
059919501AKT2
In Stock
$47.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor - Priced Each

ES#4849611 - 06E906051AC - MAP Sensor - Priced Each - one located on both the charge pipe and inlet after the throttle body - Bosch - Audi

one located on both the charge pipe and inlet after the throttle body 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4849611
Mfg#:
06E906051AC
In Stock at Vendor
$97.99

This product was last offered at the strikethrough price on
05-04-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#2678229 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger - Bosch - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Located on the rear of the supercharger

Brand:
Bosch - Corporate Logo
ES#:
2678229
Mfg#:
03C906051F
In Stock
$34.06

This product was last offered at the strikethrough price on
07-23-2026

$31.09 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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