Name: Brake Pad Wear Sensor RIDEX 407W0125 OE Ref 8R0615121A
Brand: RIDEX
SKU: 407W0125
Price: 30 GBP
Availability: InStock

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Brake Pad Wear Sensor RIDEX 407W0125 OE Ref 8R0615121A RIDEX

Key Specification:

Brake Type: Disc Brake
EAN: 4059191454457
Fitting Position: Front Axle
OEM Reference number: 8R0615121A
PURPOSE GROUP: Lining Wear

See Full Specification

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£ 30

£ 25 excl. VAT

In Stock

SKU:	RIDEX 407W0125
Brand	RIDEX

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Specification
Description
OEM Numbers
Compatibilities
Reviews

Brake Type

Disc Brake

EAN

4059191454457

Fitting Position

Front Axle

OEM Reference number

8R0615121A

PURPOSE GROUP

Lining Wear

Quantity per axle

Warning Contact Length [mm]

260

Weight [kg]

0.022

Brake Pad Wear Sensor OE Ref – RIDEX – OEM 8R0615121A

This Brake Pad Wear Sensor OE Ref is supplied by RIDEX as a replacement for OEM reference 8R0615121A. It is intended for use in selected AUDI vehicles and designed to meet original equipment fit and functional requirements.

The part is identified by manufacturer reference 407W0125 and EAN 4059191454457, allowing accurate identification and compatibility verification prior to installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

Fitting position of this Brake Pad Sensor is: Front Axle

Fitment & Compatibility

Correct part selection is essential to ensure proper fitment. Please confirm compatibility by matching the OEM reference number or using the vehicle registration lookup tool before ordering.

This part is compatible with selected AUDI models. Detailed compatibility information is available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Braking System category.

Reference number(s) comparable with the original spare part number

AUDI 8R0 615 121 A AUDI 8R0615121A

OE reference number(s) comparable with the original spare part number

AUDI

AUDI A6 Allroad C7 (4GH, 4GJ) From 01/2012 to 09/2018

3.0 TDI quattro 4WD 01/2012-12/2014, 150 kw, 2967 ccm, 204 PS, Estate, Diesel , ENG: CLAA

3.0 TDI quattro 4WD 01/2012-09/2018, 235 kw, 2967 ccm, 320 PS, Estate, Diesel , ENG: CVUA

3.0 TDI quattro 4WD 09/2014-09/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CZVA, CRTE

3.0 TDI quattro 4WD 01/2012-06/2016, 180 kw, 2967 ccm, 245 PS, Estate, Diesel , ENG: CKVC, CDUD

3.0 TFSI quattro 4WD 01/2012-12/2014, 228 kw, 2995 ccm, 310 PS, Estate, Petrol , ENG: CGWD

3.0 TFSI quattro 4WD 09/2014-09/2018, 245 kw, 2995 ccm, 333 PS, Estate, Petrol , ENG: CREC

3.0 TDI quattro 4WD 09/2014-09/2018, 200 kw, 2967 ccm, 272 PS, Estate, Diesel , ENG: CRTD

3.0 TDI quattro 4WD 01/2012-12/2014, 230 kw, 2967 ccm, 313 PS, Estate, Diesel , ENG: CGQB

AUDI A6 C7 (4G2, 4GC) From 11/2010 to 09/2018

2.0 TFSI quattro 4WD 05/2014-09/2018, 185 kw, 1984 ccm, 252 PS, Saloon, Petrol , ENG: CYPA, CYNB

2.0 TFSI 4WD 05/2011-09/2018, 132 kw, 1984 ccm, 180 PS, Saloon, Petrol , ENG: CDNB

3.0 TDI quattro 4WD 11/2011-09/2018, 230 kw, 2967 ccm, 313 PS, Saloon, Diesel , ENG: CGQB

3.0 TDI quattro 4WD 03/2011-09/2018, 180 kw, 2967 ccm, 245 PS, Saloon, Diesel , ENG: CKVC, CDUD, CDUC, CKVB

2.0 TDI quattro 4WD 04/2015-09/2018, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: CNHA, DDDA

S6 quattro 4WD 10/2014-09/2018, 331 kw, 3993 ccm, 450 PS, Saloon, Petrol , ENG: CTGE

3.0 TDI 4WD 11/2010-09/2018, 150 kw, 2967 ccm, 204 PS, Saloon, Diesel , ENG: CLAB

3.0 TDI quattro 4WD 09/2014-09/2018, 240 kw, 2967 ccm, 326 PS, Saloon, Diesel , ENG: CVUB

2.0 TDI 4WD 01/2012-09/2018, 100 kw, 1968 ccm, 136 PS, Saloon, Diesel , ENG: CGLE, CSUE

3.0 TFSI quattro 4WD 11/2010-05/2012, 220 kw, 2995 ccm, 300 PS, Saloon, Petrol , ENG: CGWB, CCAA

3.0 TDI quattro 4WD 09/2014-09/2018, 200 kw, 2967 ccm, 272 PS, Saloon, Diesel , ENG: CRTD

2.8 FSI 4WD 11/2010-04/2015, 150 kw, 2773 ccm, 204 PS, Saloon, Petrol , ENG: CHVA

2.0 TFSI 4WD 03/2011-05/2013, 155 kw, 1984 ccm, 211 PS, Saloon, Petrol , ENG: CAEB

3.0 TDI 4WD 09/2014-09/2018, 160 kw, 2967 ccm, 218 PS, Saloon, Diesel , ENG: CZVB, CTCC

3.0 TFSI quattro 4WD 03/2011-09/2018, 228 kw, 2995 ccm, 310 PS, Saloon, Petrol , ENG: CGXB, CTUA, CGWD

3.0 TDI 4WD 09/2014-09/2018, 155 kw, 2967 ccm, 211 PS, Saloon, Diesel , ENG: CTCB, CZVD

2.0 TDI 4WD 09/2014-09/2018, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: DDCB, CSUD

2.0 TFSI quattro 4WD 05/2015-09/2018, 183 kw, 1984 ccm, 249 PS, Saloon, Petrol , ENG: CYPB

2.0 TDI 4WD 03/2011-09/2018, 120 kw, 1968 ccm, 163 PS, Saloon, Diesel , ENG: CGLD

3.0 TDI quattro 4WD 03/2011-09/2018, 150 kw, 2967 ccm, 204 PS, Saloon, Diesel , ENG: CLAA

3.0 TFSI quattro 4WD 09/2014-09/2018, 245 kw, 2995 ccm, 333 PS, Saloon, Petrol , ENG: CREC

2.8 FSI quattro 4WD 09/2014-09/2018, 162 kw, 2773 ccm, 220 PS, Saloon, Petrol , ENG: CVPA

2.0 TDI 4WD 03/2011-09/2018, 130 kw, 1968 ccm, 177 PS, Saloon, Diesel , ENG: CGLC, CMGB

3.0 TDI quattro 4WD 09/2014-09/2018, 235 kw, 2967 ccm, 320 PS, Saloon, Diesel , ENG: CVUA

2.0 TFSI Hybrid 4WD 11/2011-04/2015, 180 kw, 1984 ccm, 245 PS, Saloon, Full Hybrid , ENG: CHJA

2.8 FSI quattro 4WD 11/2010-04/2015, 150 kw, 2773 ccm, 204 PS, Saloon, Petrol , ENG: CHVA

3.0 TDI quattro 4WD 09/2014-09/2018, 160 kw, 2967 ccm, 218 PS, Saloon, Diesel , ENG: CZVA, CRTE

3.0 TDI quattro 4WD 09/2014-09/2018, 155 kw, 2967 ccm, 211 PS, Saloon, Diesel , ENG: CZVC, CRTF

2.0 TDI 4WD 11/2013-09/2018, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: CNHA, CZJA, DDDA

2.0 TFSI 4WD 09/2014-09/2018, 185 kw, 1984 ccm, 252 PS, Saloon, Petrol , ENG: CYPA, CYNB

1.8 TFSI 4WD 09/2014-09/2018, 140 kw, 1798 ccm, 190 PS, Saloon, Petrol , ENG: CYGA

S6 quattro 4WD 02/2012-09/2018, 309 kw, 3993 ccm, 420 PS, Saloon, Petrol , ENG: CEUC

AUDI A6 C7 Avant (4G5, 4GD) From 05/2011 to 09/2018

2.0 TDI 4WD 09/2014-09/2018, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: DDCB, CSUD

2.8 FSI quattro 4WD 09/2014-09/2018, 162 kw, 2773 ccm, 220 PS, Estate, Petrol , ENG: CVPA

2.0 TDI 4WD 05/2011-09/2018, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: CGLD

3.0 TDI quattro 4WD 05/2011-09/2018, 150 kw, 2967 ccm, 204 PS, Estate, Diesel , ENG: CLAA

S6 quattro 4WD 10/2014-09/2018, 331 kw, 3993 ccm, 450 PS, Estate, Petrol , ENG: CTGE

2.0 TDI 4WD 05/2011-09/2018, 130 kw, 1968 ccm, 177 PS, Estate, Diesel , ENG: CGLC, CMGB

3.0 TDI quattro 4WD 09/2014-09/2018, 235 kw, 2967 ccm, 320 PS, Estate, Diesel , ENG: CVUA

2.8 FSI quattro 4WD 05/2011-04/2015, 150 kw, 2773 ccm, 204 PS, Estate, Petrol , ENG: CHVA

2.0 TFSI quattro 4WD 05/2015-09/2018, 185 kw, 1984 ccm, 252 PS, Estate, Petrol , ENG: CYPA

2.0 TDI 4WD 11/2013-09/2018, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: CNHA, CZJA, DDDA

3.0 TDI quattro 4WD 09/2014-09/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CZVA, CRTE

S6 quattro 4WD 02/2012-09/2018, 309 kw, 3993 ccm, 420 PS, Estate, Petrol , ENG: CEUC

3.0 TDI 4WD 09/2014-09/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CZVB, CTCC

3.0 TDI quattro 4WD 11/2011-09/2018, 230 kw, 2967 ccm, 313 PS, Estate, Diesel , ENG: CGQB

2.0 TFSI 4WD 09/2014-09/2018, 185 kw, 1984 ccm, 252 PS, Estate, Petrol , ENG: CYPA, CYNB

2.0 TDI quattro 4WD 04/2015-09/2018, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: CNHA, DDDA

1.8 TFSI 4WD 09/2014-09/2018, 140 kw, 1798 ccm, 190 PS, Estate, Petrol , ENG: CYGA

2.0 TDI 4WD 01/2012-09/2018, 100 kw, 1968 ccm, 136 PS, Estate, Diesel , ENG: DDCA, CGLE, CSUE

3.0 TDI quattro 4WD 05/2011-09/2018, 180 kw, 2967 ccm, 245 PS, Estate, Diesel , ENG: CKVC, CDUD, CDUC, CKVB

3.0 TFSI quattro 4WD 09/2014-09/2018, 245 kw, 2995 ccm, 333 PS, Estate, Petrol , ENG: CREC

3.0 TDI 4WD 05/2011-09/2018, 150 kw, 2967 ccm, 204 PS, Estate, Diesel , ENG: CLAB

3.0 TDI quattro 4WD 09/2014-09/2018, 240 kw, 2967 ccm, 326 PS, Estate, Diesel , ENG: CVUB

3.0 TFSI quattro 4WD 11/2011-09/2018, 228 kw, 2995 ccm, 310 PS, Estate, Petrol , ENG: CGWD

3.0 TFSI quattro 4WD 05/2011-05/2012, 220 kw, 2995 ccm, 300 PS, Estate, Petrol , ENG: CGWB

3.0 TDI quattro 4WD 09/2014-09/2018, 200 kw, 2967 ccm, 272 PS, Estate, Diesel , ENG: CRTD

2.8 FSI 4WD 05/2011-04/2015, 150 kw, 2773 ccm, 204 PS, Estate, Petrol , ENG: CHVA

2.0 TFSI 4WD 06/2011-09/2018, 132 kw, 1984 ccm, 180 PS, Estate, Petrol , ENG: CDNB

3.0 TDI quattro 4WD 09/2014-09/2018, 155 kw, 2967 ccm, 211 PS, Estate, Diesel , ENG: CZVC, CRTF

2.0 TFSI quattro 4WD 05/2015-09/2018, 183 kw, 1984 ccm, 249 PS, Estate, Petrol , ENG: CYPB

3.0 TDI 4WD 09/2014-09/2018, 155 kw, 2967 ccm, 211 PS, Estate, Diesel , ENG: CTCB, CZVD

AUDI A7 Sportback (4GA, 4GF) From 07/2010 to 05/2018

2.0 TFSI 4WD 09/2014-05/2018, 185 kw, 1984 ccm, 252 PS, Hatchback, Petrol , ENG: CYPA

S7 quattro 4WD 07/2014-05/2018, 331 kw, 3993 ccm, 450 PS, Hatchback, Petrol , ENG: CTGE

3.0 TDI quattro 4WD 05/2014-05/2018, 200 kw, 2967 ccm, 272 PS, Hatchback, Diesel , ENG: CRTD

3.0 TDI 4WD 11/2015-05/2018, 155 kw, 2967 ccm, 211 PS, Hatchback, Diesel , ENG: CTCB, CZVC, CZVD

3.0 TDI 4WD 07/2014-05/2018, 160 kw, 2967 ccm, 218 PS, Hatchback, Diesel , ENG: CZVB, CTCC

3.0 TDI 4WD 11/2015-05/2018, 140 kw, 2967 ccm, 190 PS, Hatchback, Diesel , ENG: CZVE

2.8 FSI quattro 4WD 10/2010-03/2015, 150 kw, 2773 ccm, 204 PS, Hatchback, Petrol , ENG: CNYA, CHVA

S7 quattro 4WD 02/2012-03/2015, 309 kw, 3993 ccm, 420 PS, Hatchback, Petrol , ENG: CEUC

1.8 TFSI 4WD 04/2015-05/2018, 140 kw, 1798 ccm, 190 PS, Hatchback, Petrol , ENG: CYGA

3.0 TFSI quattro 4WD 01/2011-03/2015, 228 kw, 2995 ccm, 310 PS, Hatchback, Petrol , ENG: CGXB, CTTA, CTUA, CGWD

3.0 TDI quattro 4WD 09/2014-05/2018, 240 kw, 2967 ccm, 326 PS, Hatchback, Diesel , ENG: CVUB

3.0 TDI quattro 4WD 12/2010-03/2015, 150 kw, 2967 ccm, 204 PS, Hatchback, Diesel , ENG: CLAA

3.0 TDI quattro 4WD 07/2014-05/2018, 155 kw, 2967 ccm, 211 PS, Hatchback, Diesel , ENG: CTCB, CZVC, CZVD, CRTF

2.8 FSI quattro 4WD 09/2014-05/2018, 162 kw, 2773 ccm, 220 PS, Hatchback, Petrol , ENG: CVPA

3.0 TDI quattro 4WD 05/2014-05/2018, 235 kw, 2967 ccm, 320 PS, Hatchback, Diesel , ENG: CVUA

3.0 TFSI quattro 4WD 05/2014-05/2018, 245 kw, 2995 ccm, 333 PS, Hatchback, Petrol , ENG: CREC

3.0 TDI quattro 4WD 11/2015-05/2018, 140 kw, 2967 ccm, 190 PS, Hatchback, Diesel , ENG: CZVE, CZVF

3.0 TDI quattro 4WD 10/2010-06/2016, 180 kw, 2967 ccm, 245 PS, Hatchback, Diesel , ENG: CKVC, CDUD, CDUC, CKVB

3.0 TDI quattro 4WD 07/2014-05/2018, 160 kw, 2967 ccm, 218 PS, Hatchback, Diesel , ENG: CZVA, CRTE

3.0 TDI 4WD 11/2010-03/2015, 150 kw, 2967 ccm, 204 PS, Hatchback, Diesel , ENG: CLAB

2.0 TFSI quattro 4WD 05/2015-05/2018, 185 kw, 1984 ccm, 252 PS, Hatchback, Petrol , ENG: CYPA, CYNB

3.0 TDI quattro 4WD 11/2011-03/2015, 230 kw, 2967 ccm, 313 PS, Hatchback, Diesel , ENG: CGQB

2.0 TFSI quattro 4WD 05/2015-05/2018, 183 kw, 1984 ccm, 249 PS, Hatchback, Petrol , ENG: CYPB

2.8 FSI 4WD 02/2011-03/2015, 150 kw, 2773 ccm, 204 PS, Hatchback, Petrol , ENG: CHVA

3.0 TDI quattro 4WD 05/2013-06/2017, 176 kw, 2967 ccm, 239 PS, Hatchback, Diesel , ENG: CPNB

AUDI Q5 (8RB) From 11/2008 to 12/2017

3.0 TFSI quattro 4WD 06/2012-05/2017, 200 kw, 2995 ccm, 272 PS, SUV, Petrol , ENG: CTUC, CTVA

3.0 TDI quattro 4WD 11/2008-05/2017, 176 kw, 2967 ccm, 240 PS, SUV, Diesel , ENG: CPNB, CCWA

SQ5 TDI quattro 4WD 12/2012-11/2015, 230 kw, 2967 ccm, 313 PS, SUV, Diesel , ENG: CGQB, CVUC

2.0 TDI 4WD 11/2010-05/2017, 100 kw, 1968 ccm, 136 PS, SUV, Diesel , ENG: CSUB, CJCB

2.0 TFSI quattro 4WD 11/2008-09/2012, 155 kw, 1984 ccm, 211 PS, SUV, Petrol , ENG: CDNC, CAEB

3.0 TDI quattro 4WD 06/2012-05/2017, 180 kw, 2967 ccm, 245 PS, SUV, Diesel , ENG: CDUD

3.0 TDI quattro 4WD 06/2012-05/2017, 184 kw, 2967 ccm, 250 PS, SUV, Diesel , ENG: CTBC

2.0 TDI quattro 4WD 11/2008-05/2017, 120 kw, 1968 ccm, 163 PS, SUV, Diesel , ENG: CAHB, CGLA, CNHC, CGLD

2.0 TFSI quattro 4WD 08/2015-05/2017, 169 kw, 1984 ccm, 230 PS, SUV, Petrol , ENG: CNCE

2.0 TDI quattro 4WD 11/2013-05/2017, 140 kw, 1968 ccm, 190 PS, SUV, Diesel , ENG: CNHA

2.0 TDI quattro 4WD 08/2009-05/2013, 105 kw, 1968 ccm, 143 PS, SUV, Diesel , ENG: CAGA, CJCA

3.2 FSI quattro 4WD 11/2008-12/2012, 199 kw, 3197 ccm, 270 PS, SUV, Petrol , ENG: CALB

2.0 TDI 4WD 05/2013-05/2017, 110 kw, 1968 ccm, 150 PS, SUV, Diesel , ENG: CJCD, CSUA

2.0 TFSI quattro 4WD 05/2013-05/2017, 162 kw, 1984 ccm, 220 PS, SUV, Petrol , ENG: CPMB

2.0 TFSI quattro 4WD 06/2012-05/2016, 165 kw, 1984 ccm, 224 PS, SUV, Petrol , ENG: CNCD

2.0 TDI 4WD 11/2010-05/2013, 105 kw, 1968 ccm, 143 PS, SUV, Diesel , ENG: CJCA

2.0 TDI quattro 4WD 11/2008-09/2012, 125 kw, 1968 ccm, 170 PS, SUV, Diesel , ENG: CGLB, CMGA, CAHA

2.0 TFSI Hybrid quattro 4WD 06/2011-06/2016, 180 kw, 1984 ccm, 245 PS, SUV, Full Hybrid , ENG: CHJA

2.0 TDI quattro 4WD 06/2012-05/2017, 130 kw, 1968 ccm, 177 PS, SUV, Diesel , ENG: CGLC, CMGB

3.0 TDI quattro 4WD 11/2008-09/2012, 155 kw, 2967 ccm, 211 PS, SUV, Diesel , ENG: CCWB

2.0 TDI 4WD 09/2015-05/2017, 140 kw, 1968 ccm, 190 PS, SUV, Diesel , ENG: CNHA

3.0 TDI quattro 4WD 11/2013-05/2017, 190 kw, 2967 ccm, 258 PS, SUV, Diesel , ENG: CTBA

2.0 TDI quattro 4WD 08/2009-05/2017, 100 kw, 1968 ccm, 136 PS, SUV, Diesel , ENG: CAGB, CSUB, CJCB

2.0 TFSI quattro 4WD 08/2009-05/2017, 132 kw, 1984 ccm, 180 PS, SUV, Petrol , ENG: CNCB, CDNB

2.0 TDI quattro 4WD 05/2013-05/2017, 110 kw, 1968 ccm, 150 PS, SUV, Diesel , ENG: CJCD, CSUA

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.