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Audi A4 Knock Sensor Sensors

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Knock Sensor - Green Connector

ES#2137093 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Bosch - Audi Volkswagen

Detects engine ping for timing adjustment We Price Match - Give Us A Call or Chat!
Please check connector color before ordering

Brand:
Bosch - Corporate Logo
ES#:
2137093
Mfg#:
054905377A
Ships in 1-2 days
$42.99

This product was last offered at the strikethrough price on
10-30-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
$41.99

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

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

Green Knock Sensor With Harness - 465mm

ES#3537033 - 06E905377A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Hamburg Tech - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector We Price Match - Give Us A Call or Chat!
For cylinders 1-3

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537033
Mfg#:
06E905377A
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Green Knock Sensor With Harness - 465mm

ES#3550011 - 06E905377J - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3550011
Mfg#:
06E905377J
Ships in 1-2 days
13% 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

$124.99 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 80%
$15.99

This product was last offered at the strikethrough price on
05-14-2026

$3.14 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
Ships in 2 Business Days
$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

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 17%
$28.99

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

$23.99 USD
Free Shipping
on orders $49 and up
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 3 Business Days
$41.99 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 78%
$15.99

This product was last offered at the strikethrough price on
05-14-2026

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

Knock Sensor - Green Connector

ES#2535453 - 07D905377 - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Continental - Audi Volkswagen

Detects engine ping for timing adjustment We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2535453
Mfg#:
07D905377
Ships in 4 Business Days
$50.99 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 1-2 days
12% off MSRP

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

$169.98

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

$149.85 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

$43.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Blue Connector - Priced Each

ES#2162503 - 06C905377 - Knock Sensor - Blue Connector - Priced Each - Detects engine ping for timing adjustment - Continental - Audi Volkswagen

Detects engine ping for timing adjustment We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2162503
Mfg#:
06C905377
Ships in 1-2 days
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Grey Connector

ES#2678227 - 06E905376B - Knock Sensor - Grey Connector - Detects engine ping for timing adjustment - FAE - Audi

Detects engine ping for timing adjustment For cylinders 4-6

Brand:
FAE - Corporate Logo
ES#:
2678227
Mfg#:
06E905376B
Ships in 2 Business Days
$74.99

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

$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Grey Connector

ES#4135458 - 06E905376B - Knock Sensor - Grey Connector - Detects engine ping for timing adjustment - Facet - Audi

Detects engine ping for timing adjustment For cylinders 4-6

Brand:
Facet - Corporate Logo
ES#:
4135458
Mfg#:
06E905376B
Ships in 2 Business Days
$74.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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