Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen MK4 Knock Sensor Sensors

Sort By
Filter By
Return to Top

Electrical Connector Kit - Housing With Pins & Wire Seals (2)

ES#4460501 - 8K0973702-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (2) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460501
Mfg#:
8K0973702-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 165mm

ES#3419349 - 030905377C - Knock Sensor - 165mm - Detects engine knock and changes timing accordingly (Sensor only) - Bosch - Audi Volkswagen

Detects engine knock and changes timing accordingly (Sensor only) We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3419349
Mfg#:
030905377C
In Stock
$43.99

This product was last offered at the strikethrough price on
04-10-2026

$39.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460523 - 3B0973703G-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460523
Mfg#:
3B0973703G-KIT
In Stock
ON SALE! SAVE 88%
$25.99

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

$3.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 165mm

ES#4818407 - 030905377C - Knock Sensor - 165mm - Detects engine knock and changes timing accordingly (Sensor only) - Bremmen Parts - Audi Volkswagen

Detects engine knock and changes timing accordingly (Sensor only) 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818407
Mfg#:
030905377C
In Stock
ON SALE! SAVE 15%
$28.99

This product was last offered at the strikethrough price on
09-16-2026

$24.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460527 - 8E0973703B-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460527
Mfg#:
8E0973703B-KIT
In Stock
ON SALE! SAVE 86%
$25.99

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

$3.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor With Harness

ES#2681529 - 022905377 - Knock Sensor With Harness - Detects engine knock and changes timing accordingly (sensor with wiring) - FAE - Audi Volkswagen

Detects engine knock and changes timing accordingly (sensor with wiring)

Brand:
FAE - Corporate Logo
ES#:
2681529
Mfg#:
022905377
Ships in 3 Business Days
$79.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#4030970 - 030905377D - Knock Sensor - Detects engine knock and changes timing accordingly (Sensor only) - Genuine Volkswagen Audi - Audi Volkswagen

Detects engine knock and changes timing accordingly (Sensor only)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4030970
Mfg#:
030905377D
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.

$169.99

This product was last offered at the strikethrough price on
08-31-2026

$157.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 235mm

ES#279623 - 06A905377C - Knock Sensor - 235mm - Detects engine knock and changes timing accordingly - Genuine Volkswagen Audi - Volkswagen

Detects engine knock and changes timing accordingly For vehicles with AWD or AWW engine code with VIN up to 9M-1-075 840 only, split is in the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279623
Mfg#:
06A905377C
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.

$163.99

This product was last offered at the strikethrough price on
08-31-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - White (210mm)

ES#269254 - 021905377E - Knock Sensor - White (210mm) - Detects engine knock so the ECU can adjust accordingly - Genuine Volkswagen Audi - Volkswagen

Detects engine knock so the ECU can adjust accordingly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269254
Mfg#:
021905377E
Ships in 2 Business Days
8% off MSRP

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

$143.99

This product was last offered at the strikethrough price on
08-31-2026

$133.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 235mm

ES#2731795 - 06A905377C - Knock Sensor - 235mm - Detects engine knock and changes timing accordingly - FAE - Volkswagen

Detects engine knock and changes timing accordingly For vehicles with AWD or AWW engine code with VIN up to 9M-1-075 840 only, split is in the 2001 model year

Brand:
FAE - Corporate Logo
ES#:
2731795
Mfg#:
06A905377C
Ships on Oct 23, 2026
$64.99

This product was last offered at the strikethrough price on
09-16-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - White (210mm)

ES#2894322 - 021905377E - Knock Sensor - White (210mm) - Detects engine knock so the ECU can adjust accordingly - Vemo - Volkswagen

Detects engine knock so the ECU can adjust accordingly

Brand:
Vemo - Corporate Logo
ES#:
2894322
Mfg#:
021905377E
Special Order: No Guaranteed ETA
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 165mm

Detects engine knock and changes timing accordingly (Sensor only)

Brand:
Facet - Corporate Logo
ES#:
4057601
Mfg#:
030905377C
Ships in 1 Business Day
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#2812908 - 030905377A - Knock Sensor - Detects knock and adjusts timing accordingly. One of two. - Hamburg Tech - Volkswagen

Detects knock and adjusts timing accordingly. One of two. We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code only

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812908
Mfg#:
030905377A
Ships in 1 Business Day
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - 165mm

ES#3188137 - 030905377C - Knock Sensor - 165mm - Detects engine knock and changes timing accordingly (sensor only) - Meyle - Audi Volkswagen

Detects engine knock and changes timing accordingly (sensor only) 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3188137
Mfg#:
030905377C
Back Ordered
$30.99

This product was last offered at the strikethrough price on
04-30-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#2731792 - 06A905377B - Knock Sensor - Detects engine knock and changes timing accordingly - FAE - Volkswagen

Detects engine knock and changes timing accordingly For vehicles with AWD or AWW engine code with VIN up to 9M-1-075 840 only, split is in the 2001 model year

Brand:
FAE - Corporate Logo
ES#:
2731792
Mfg#:
06A905377B
In Stock
ON SALE! SAVE 74%
$59.15

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

$15.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#465757 - N01033520 - Bolt - Priced Each - Install new hardware with your new parts. M8x35 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x35

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465757
Mfg#:
N01033520
Ships in 1 day
38% off MSRP

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

$3.22

This product was last offered at the strikethrough price on
09-30-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings