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Audi S4 Engine Sensors

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Oil Level Sensor O-Ring

ES#4057473 - 038103196B - Oil Level Sensor O-Ring - Seals the oil level sensor on the oil pan - Elring - Audi Volkswagen

Seals the oil level sensor on the oil pan 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4057473
Mfg#:
038103196B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4940600 - 03C906051F - MAP Sensor - Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger - Bremmen Parts - Audi Volkswagen

Manifold absolute pressure sensor, lets your ECU know how much air pressure is in your intake manifold / supercharger 10X Entries For Our 25th Anniversary Sweepstakes!
Located on the rear of the supercharger

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940600
Mfg#:
03C906051F
In Stock
ON SALE! SAVE 14%
$15.99

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

$13.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Sender - 2 Pin

ES#2894899 - 06E919081C - Oil Pressure Sender - 2 Pin - Senses engine oil pressure for the gauge and ECU - Vemo - Audi Volkswagen

Senses engine oil pressure for the gauge and ECU

Brand:
Vemo - Corporate Logo
ES#:
2894899
Mfg#:
06E919081C
In Stock
$29.99

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

POTENTIOME

ES#3139300 - 06E907386K - POTENTIOME - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3139300
Mfg#:
06E907386K
In Stock
8% off MSRP

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

$201.99

This product was last offered at the strikethrough price on
07-22-2026

$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries For Our 25th Anniversary Sweepstakes!
Fits the left and right position

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373885
Mfg#:
06E906265AJ
Special Order: No Guaranteed ETA
Auto Notify
ON SALE! SAVE 10%
$203.99

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

$183.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Wrench 3/8" drive

ES#2949705 - SLY88750B - Oxygen Sensor Wrench 3/8" drive - O2 Sensor Socket - Schley - Audi Volkswagen Mercedes Benz MINI

O2 Sensor Socket

Brand:
Schley - Corporate Logo
ES#:
2949705
Mfg#:
SLY88750B
Ships in 4 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Brown Connector - Priced Each

ES#3437888 - 078905377 - Knock Sensor - Brown Connector - Priced Each - Detects engine ping for timing adjustment - Facet - Audi

Detects engine ping for timing adjustment From VIN 8D-X-260001, split is in the 1999 model year

Brand:
Facet - Corporate Logo
ES#:
3437888
Mfg#:
078905377
In Stock at Vendor
$48.47

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

$44.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently Fits the left and right position

Brand:
Facet - Corporate Logo
ES#:
4135683
Mfg#:
06E906265Q
In Stock at Vendor
$91.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor Spacer

ES#284122 - 078906435 - Crankshaft Position Sensor Spacer - Sits between the speed sensor and the engine block - Genuine Volkswagen Audi - Audi

Sits between the speed sensor and the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284122
Mfg#:
078906435
Ships in 1 day
6% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
07-22-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch

ES#2697046 - 079919081D - Oil Pressure Switch - Senses low engine oil pressure - Genuine Volkswagen Audi - Audi

Senses low engine oil pressure

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2697046
Mfg#:
079919081D
Ships in 1 day
12% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
07-22-2026

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

LK-2M 2 Pin Connector Package

ES#4875873 - LK2M - LK-2M 2 Pin Connector Package - Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. - ECS - Audi BMW Volkswagen MINI Porsche

Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4875873
Mfg#:
LK2M
In Stock
ON SALE! SAVE 29%
$6.99

This product was last offered at the strikethrough price on
06-13-2026

$4.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accelerator Bowden Cable

ES#63830 - 35412227277 - Accelerator Bowden Cable - Factory replacement throttle cable for a smooth, responsive accelerator feel. - Genuine BMW - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Factory replacement throttle cable for a smooth, responsive accelerator feel. Fits only the european model E34 M5

Brand:
Genuine BMW - Corporate Logo
ES#:
63830
Mfg#:
35412227277
Ships on Aug 10, 2026
2% off MSRP

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

$86.99

This product was last offered at the strikethrough price on
05-06-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor - Priced Each

ES#275347 - 038906051J - MAP Sensor - Priced Each - Manifold absolute pressure sensor - Genuine Volkswagen Audi - Audi

Manifold absolute pressure sensor Located on the front left & right of the supercharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275347
Mfg#:
038906051J
Ships in 1 day
7% off MSRP

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

$180.99

This product was last offered at the strikethrough price on
07-22-2026

$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Green Knock Sensor With Harness - 465mm

ES#2598260 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - FAE - Audi Volkswagen

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

Brand:
FAE - Corporate Logo
ES#:
2598260
Mfg#:
06E905376A
Ships in 2 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Green Knock Sensor With Harness - 465mm

ES#2894890 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Vemo - Audi Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2894890
Mfg#:
06E905376A
In Stock at Vendor
$170.00

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

$165.99 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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