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Audi A4 Engine Sensors

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Oxygen Sensor - Priced Each

ES#4505652 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Meyle - Audi Volkswagen

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

Brand:
Meyle - Corporate Logo
ES#:
4505652
Mfg#:
021906265AK
Ships on Dec 3, 2026
$61.99 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

Green Knock Sensor With Harness - 465mm

ES#4135457 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Holstein - Audi Volkswagen

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

Brand:
Holstein - Corporate Logo
ES#:
4135457
Mfg#:
06E905376A
In Stock at Vendor
$40.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#1906430 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place. - MTC - Audi Volkswagen

Secures the coolant temperature sensor in place.

Brand:
MTC - Corporate Logo
ES#:
1906430
Mfg#:
032121142
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3624718 - 038103196B - Oil Level Sensor O-Ring - Seals the oil level sensor on the oil pan - MTC - Audi Volkswagen

Seals the oil level sensor on the oil pan

Brand:
MTC - Corporate Logo
ES#:
3624718
Mfg#:
038103196B
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#2570165 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2570165
Mfg#:
1K0998262T
Ships in 1-2 days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#465681 - N01021533 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x15 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x15 Secures the MAP sensor to the boost pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465681
Mfg#:
N01021533
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.

$3.38

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

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#277731 - 058905379 - Air Temperature Sensor - Measures the temperature of the air entering the engine - Genuine Volkswagen Audi - Audi Volkswagen

Measures the temperature of the air entering the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277731
Mfg#:
058905379
Ships in 7 Business Days
7% off MSRP

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

$121.99

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

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2894896 - 06E906433 - Crankshaft Position Sensor - Referred to as the speed sensor & reference sensor - Vemo - Audi

Referred to as the speed sensor & reference sensor

Brand:
Vemo - Corporate Logo
ES#:
2894896
Mfg#:
06E906433
In Stock at Vendor
$57.99

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

$56.99 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 From VIN 8D-W-007800 up to VIN 8D-X-199999, splits are in the 1998/1999 model years

Brand:
Vemo - Corporate Logo
ES#:
4872601
Mfg#:
025906041AKT
In Stock at Vendor
$14.99

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

$13.99 USD
Free Shipping
on orders $49 and up

Phillips Head Screw - Priced Each

ES#469270 - N90172004 - Phillips Head Screw - Priced Each - Install new hardware with your new parts. M5x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M5x22 Engine codes ATW & AWM. Secures the MAF housing to the air cleaner

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469270
Mfg#:
N90172004
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender

ES#1893849 - 078905161C - Hall Sender - Commonly called Cam Position Sensor - Bosch - Audi

Commonly called Cam Position Sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1893849
Mfg#:
078905161C
Back Ordered
$113.99

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

$110.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - 4 Pin - Black

Located after the catalytic converter For models with BGN engine code only - Fits left and right sides

Brand:
Walker - Corporate Logo
ES#:
3690282
Mfg#:
1K0998262R
Ships in 1-2 days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#3579577 - 038906051R - MAP Sensor - Measures the pressure in the turbocharger system - Vemo - Audi Volkswagen

Measures the pressure in the turbocharger system

Brand:
Vemo - Corporate Logo
ES#:
3579577
Mfg#:
038906051R
Special Order: No Guaranteed ETA
$106.99 USD
Free Shipping
on orders $49 and up

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470646
Mfg#:
1K0998262L
Ships on Dec 4, 2026
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ON SALE! SAVE 20%
$129.99

This product was last offered at the strikethrough price on
05-29-2026

$103.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468215 - N10451405 - Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468215
Mfg#:
N10451405
In Stock
$0.99 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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