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Audi C4 A6 Quattro 2.8

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Audi C4 A6 Quattro 2.8 Engine Sensors

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Early Model Coolant Temperature Sensor

ES#2710181 - 059919501 - Early Model Coolant Temperature Sensor - Updated green 4 pin sensor, replaces old blue sensors. For vehicles with square connector. - URO - Audi Volkswagen

Updated green 4 pin sensor, replaces old blue sensors. For vehicles with square connector. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2710181
Mfg#:
059919501
Ships in 1 Business Day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 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

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

ES#2628655 - 059919501KT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square connector. Please check existing sensor color - Febi - Audi

Updated <font color='green'>Green</font> sensor with square connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2628655
Mfg#:
059919501KT
Ships in 2 Business Days
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sender

ES#4833 - 049919563B - Oil Temperature Sender - 1 Pin - Blue - FAE - Audi Volkswagen

1 Pin - Blue

Brand:
FAE - Corporate Logo
ES#:
4833
Mfg#:
049919563B
Ships in 1-2 days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sender

1 Pin - Blue

Brand:
Facet - Corporate Logo
ES#:
4733452
Mfg#:
049919563B
Ships in 2 Business Days
$9.99

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

$8.99 USD
Free Shipping
on orders $49 and up

Hall Sender

ES#3521711 - 078905161C - Hall Sender - Commonly called Cam Position Sensor - Holstein - Audi

Commonly called Cam Position Sensor

Brand:
Holstein - Corporate Logo
ES#:
3521711
Mfg#:
078905161C
Ships in 1 Business Day
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Speed Sensor - Priced Each

ES#3520861 - 078905381A - Engine Speed Sensor - Priced Each - Also known as the RPM sensor - Holstein - Audi

Also known as the RPM sensor AAH, AFC Engine Codes Only

Brand:
Holstein - Corporate Logo
ES#:
3520861
Mfg#:
078905381A
Ships in 1 Business Day
$32.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2762348 - 059919501KT3 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - URO - Audi

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2762348
Mfg#:
059919501KT3
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reference Sensor

ES#9437 - 078905375 - Reference Sensor - Ignition Timing Sensor - Vemo - Audi

Ignition Timing Sensor

Brand:
Vemo - Corporate Logo
ES#:
9437
Mfg#:
078905375
In Stock at Vendor
$117.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2524963 - 058919501A - Coolant Temperature Sensor - 4 Pin - Black - MTC - Audi

4 Pin - Black

Brand:
MTC - Corporate Logo
ES#:
2524963
Mfg#:
058919501A
Ships in 9 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
ON SALE! SAVE 39%
$2.99

This product was last offered at the strikethrough price on
08-14-2026

$1.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender

ES#3971075 - 078905161C - Hall Sender - Commonly called Cam Position Sensor - Meyle - Audi

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

Brand:
Meyle - Corporate Logo
ES#:
3971075
Mfg#:
078905161C
Special Order: No Guaranteed ETA
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

Mounted on A/C Condenser

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3306
Mfg#:
8A0959482AB
Back Ordered
$145.99 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.

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