Name: Coolant Tank RIDEX 397E0140 OE Ref 8K0 121 403 G
Brand: RIDEX
SKU: 397E0140
Price: 51 GBP
Availability: InStock

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Coolant Tank RIDEX 397E0140 OE Ref 8K0 121 403 G RIDEX

Key Specification:

EAN: 4064138073905
Material: PP (Polypropylene)
OEM Reference number: 8K0121403AC
PURPOSE GROUP: Coolant Water
Supplementary Info: with sensor

See Full Specification

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£ 51

£ 42.5 excl. VAT

In Stock

SKU:	RIDEX 397E0140
Brand	RIDEX

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

4064138073905

Material

PP (Polypropylene)

OEM Reference number

8K0121403AC

PURPOSE GROUP

Coolant Water

Supplementary Info

with sensor

Supplementary Info

without sealing cover

Exceptional Coolant Tank OE Ref 8K0 121 403 G for AUDI

This Coolant Tank OE Ref 8K0 121 403 G is designed for those who demand reliability and value for money. Equivalent to OEM Part Number 8K0121403AC, it’s manufactured by RIDEX, a name synonymous with quality and precision engineering. Available at an unbeatable price, it includes Référence Number 397E0140 and EAN 4064138073905 for easy identification.

Our Engine Cooling System parts are crafted from premium materials, ensuring enhanced durability and long-term performance. Whether you’re dealing with wear and tear or replacing a damaged part, this Coolant Tank OE Ref 8K0 121 403 G offers the perfect blend of quality and affordability.

with sensorwithout sealing cover

Why This Coolant Tank OE Ref 8K0 121 403 G Stands Out:

Designed to meet OEM quality standards for a guaranteed fit.
Perfect for
Brand compatibility
- AUDI
Please confirm exact fitment before ordering.
(check compatibility with your registration).
Backed by a 30-day money-back guarantee for worry-free shopping.

Trust e Auto Parts for reliable parts and quick delivery across the UK and Europe. Upgrade your vehicle today!

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

AUDI 8K0 121 403 AC AUDI 8K0 121 403 G AUDI 8K0 121 403 H AUDI 8K0 121 403 Q AUDI 8K0 121 403 T

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

AUDI

AUDI A4 Allroad B8 (8KH) From 04/2009 to 05/2016

2.0 TFSI quattro 4WD 04/2009-05/2016, 155 kw, 1984 ccm, 211 PS, Estate, Petrol , ENG: CDNC, CPMA

2.0 TDI quattro 4WD 05/2013-05/2016, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: CJCD, CSUA

2.0 TFSI quattro 4WD 05/2013-05/2016, 162 kw, 1984 ccm, 220 PS, Estate, Petrol , ENG: CPMB

2.0 TDI quattro 4WD 04/2009-05/2016, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: CAHB, CNHC, CGLD

2.0 TDI quattro 4WD 09/2013-05/2016, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: CNHA

2.0 TDI quattro 4WD 11/2011-05/2016, 130 kw, 1968 ccm, 177 PS, Estate, Diesel , ENG: CGLC

2.0 TDI quattro 4WD 04/2009-05/2016, 125 kw, 1968 ccm, 170 PS, Estate, Diesel , ENG: CAHA

2.0 TFSI quattro 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Estate, Petrol , ENG: CNCD

2.0 TDI quattro 4WD 09/2009-05/2016, 105 kw, 1968 ccm, 143 PS, Estate, Diesel , ENG: CAGA, CJCA

2.0 TDI quattro 4WD 09/2009-05/2016, 100 kw, 1968 ccm, 136 PS, Estate, Diesel , ENG: CAGB, CSUB, CJCB

AUDI A4 B8 (8K2) From 08/2007 to 09/2016

2.0 TDI quattro 4WD 05/2013-12/2015, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: CJCD, CSUA

1.8 TFSI 4WD 11/2011-12/2015, 125 kw, 1798 ccm, 170 PS, Saloon, Petrol , ENG: CJEB

1.8 TFSI 4WD 01/2008-12/2015, 88 kw, 1798 ccm, 120 PS, Saloon, Petrol , ENG: CDHA, CABA

2.0 TDI quattro 4WD 11/2008-12/2015, 105 kw, 1968 ccm, 143 PS, Saloon, Diesel , ENG: CAGA, CJCA

2.0 TFSI quattro 4WD 05/2013-12/2015, 162 kw, 1984 ccm, 220 PS, Saloon, Petrol , ENG: CAED, CPMB

2.0 TDI 4WD 11/2007-12/2015, 105 kw, 1968 ccm, 143 PS, Saloon, Diesel , ENG: CMEA, CAGA, CJCA, CMFA

2.0 TFSI flexible fuel 4WD 11/2009-12/2015, 132 kw, 1984 ccm, 180 PS, Saloon, Petrol , ENG: CFKA

2.0 TFSI quattro 4WD 05/2013-12/2015, 165 kw, 1984 ccm, 224 PS, Saloon, Petrol , ENG: CNCD

2.0 TFSI quattro 4WD 06/2008-12/2015, 155 kw, 1984 ccm, 211 PS, Saloon, Petrol , ENG: CDNC, CPMA, CAEB

2.0 TFSI 4WD 06/2008-12/2015, 132 kw, 1984 ccm, 180 PS, Saloon, Petrol , ENG: CFKA, CDNB, CAEA

2.0 TDI quattro 4WD 01/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Saloon, Diesel , ENG: CAHA

2.0 TDI quattro 4WD 11/2011-12/2015, 130 kw, 1968 ccm, 177 PS, Saloon, Diesel , ENG: CGLC

2.0 TDI 4WD 08/2008-12/2015, 120 kw, 1968 ccm, 163 PS, Saloon, Diesel , ENG: CAHB, CNHC, CGLD

2.0 TDI 4WD 09/2013-12/2015, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: CNHA

1.8 TFSI quattro 4WD 11/2011-12/2015, 125 kw, 1798 ccm, 170 PS, Saloon, Petrol , ENG: CJEB

2.0 TDI 4WD 05/2013-12/2015, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: CJCD, CMFB, CSUA

2.0 TDI 4WD 11/2007-12/2015, 100 kw, 1968 ccm, 136 PS, Saloon, Diesel , ENG: CAGB, CSUB, CJCB

1.8 TFSI 4WD 11/2007-03/2012, 118 kw, 1798 ccm, 160 PS, Saloon, Petrol , ENG: CABB, CDHB

2.0 TFSI flexible fuel quattro 4WD 11/2009-12/2015, 132 kw, 1984 ccm, 180 PS, Saloon, Petrol , ENG: CFKA

2.0 TFSI 4WD 05/2013-12/2015, 165 kw, 1984 ccm, 224 PS, Saloon, Petrol , ENG: CNCD

2.0 TFSI quattro 4WD 11/2009-03/2012, 132 kw, 1984 ccm, 180 PS, Saloon, Petrol , ENG: CFKA

2.0 TFSI 4WD 06/2008-05/2013, 155 kw, 1984 ccm, 211 PS, Saloon, Petrol , ENG: CDNC, CAEB

2.0 TDI 4WD 06/2008-12/2015, 88 kw, 1968 ccm, 120 PS, Saloon, Diesel , ENG: CJCC, CAGC

2.0 TDI quattro 4WD 09/2013-12/2015, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: CNHA

2.0 TDI 4WD 01/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Saloon, Diesel , ENG: CAHA

2.0 TDI 4WD 11/2011-12/2015, 130 kw, 1968 ccm, 177 PS, Saloon, Diesel , ENG: CGLC, CMGB

1.8 TFSI quattro 4WD 09/2008-03/2012, 118 kw, 1798 ccm, 160 PS, Saloon, Petrol , ENG: CDHB

AUDI A4 B8 Avant (8K5) From 11/2007 to 12/2015

2.0 TDI 4WD 04/2008-12/2015, 105 kw, 1968 ccm, 143 PS, Estate, Diesel , ENG: CMEA, CAGA, CJCA, CMFA

2.0 TFSI quattro 4WD 06/2008-12/2015, 155 kw, 1984 ccm, 211 PS, Estate, Petrol , ENG: CDNC, CAEB

2.0 TFSI flexible fuel 4WD 11/2009-12/2015, 132 kw, 1984 ccm, 180 PS, Estate, Petrol , ENG: CFKA

2.0 TFSI 4WD 05/2013-12/2015, 165 kw, 1984 ccm, 224 PS, Estate, Petrol , ENG: CNCD

1.8 TFSI 4WD 04/2008-12/2015, 88 kw, 1798 ccm, 120 PS, Estate, Petrol , ENG: CDHA

2.0 TDI quattro 4WD 11/2011-12/2015, 130 kw, 1968 ccm, 177 PS, Estate, Diesel , ENG: CGLC

2.0 TDI 4WD 06/2008-12/2015, 88 kw, 1968 ccm, 120 PS, Estate, Diesel , ENG: CJCC, CAGC

2.0 TDI 4WD 09/2013-12/2015, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: CNHA

1.8 TFSI quattro 4WD 11/2011-12/2015, 125 kw, 1798 ccm, 170 PS, Estate, Petrol , ENG: CJEB

2.0 TDI 4WD 04/2008-12/2015, 100 kw, 1968 ccm, 136 PS, Estate, Diesel , ENG: CAGB, CSUB, CJCB

2.0 TDI 4WD 05/2013-12/2015, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: CJCD, CMFB, CSUA

2.0 TDI 4WD 04/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Estate, Diesel , ENG: CAHA

1.8 TFSI 4WD 11/2007-03/2012, 118 kw, 1798 ccm, 160 PS, Estate, Petrol , ENG: CABB, CDHB

2.0 TDI quattro 4WD 04/2008-12/2015, 105 kw, 1968 ccm, 143 PS, Estate, Diesel , ENG: CAGA, CJCA

2.0 TFSI 4WD 06/2008-12/2015, 132 kw, 1984 ccm, 180 PS, Estate, Petrol , ENG: CFKA, CDNB

2.0 TFSI flexible fuel quattro 4WD 11/2009-12/2015, 132 kw, 1984 ccm, 180 PS, Estate, Petrol , ENG: CFKA

2.0 TFSI quattro 4WD 05/2013-12/2015, 165 kw, 1984 ccm, 224 PS, Estate, Petrol , ENG: CNCD

2.0 TFSI 4WD 06/2008-05/2013, 155 kw, 1984 ccm, 211 PS, Estate, Petrol , ENG: CDNC, CAEB

2.0 TDI 4WD 08/2008-12/2015, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: CAHB, CNHC, CGLD

2.0 TDI quattro 4WD 09/2013-12/2015, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: CNHA

2.0 TDI 4WD 11/2011-12/2015, 130 kw, 1968 ccm, 177 PS, Estate, Diesel , ENG: CGLC

2.0 TDI quattro 4WD 08/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Estate, Diesel , ENG: CAHA

2.0 TDI quattro 4WD 05/2013-12/2015, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: CJCD, CSUA

1.8 TFSI 4WD 11/2011-12/2015, 125 kw, 1798 ccm, 170 PS, Estate, Petrol , ENG: CJEB

1.8 TFSI quattro 4WD 09/2008-03/2012, 118 kw, 1798 ccm, 160 PS, Estate, Petrol , ENG: CDHB

AUDI A5 (8T3) From 06/2007 to 01/2017

2.0 TFSI quattro 4WD 08/2015-01/2017, 169 kw, 1984 ccm, 230 PS, Coupe, Petrol , ENG: CNCE

2.0 TFSI 4WD 06/2008-11/2013, 155 kw, 1984 ccm, 211 PS, Coupe, Petrol , ENG: CDNC

1.8 TFSI 4WD 05/2015-01/2017, 130 kw, 1798 ccm, 177 PS, Coupe, Petrol , ENG: CJEE

2.0 TDI 4WD 08/2008-01/2017, 120 kw, 1968 ccm, 163 PS, Coupe, Diesel , ENG: CAHB, CNHC, CGLD

2.0 TFSI quattro 4WD 03/2012-01/2017, 162 kw, 1984 ccm, 220 PS, Coupe, Petrol , ENG: CAED, CPMB

2.0 TDI 4WD 08/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Coupe, Diesel , ENG: CAHA

2.0 TDI quattro 4WD 12/2011-01/2017, 130 kw, 1968 ccm, 177 PS, Coupe, Diesel , ENG: CGLC

2.0 TDI quattro 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Coupe, Diesel , ENG: CNHA

2.0 TFSI 4WD 08/2015-01/2017, 169 kw, 1984 ccm, 230 PS, Coupe, Petrol , ENG: CNCE

2.0 TFSI quattro 4WD 06/2008-01/2017, 155 kw, 1984 ccm, 211 PS, Coupe, Petrol , ENG: CDNC, CPMA, CAEB

2.0 TFSI 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Coupe, Petrol , ENG: CNCD

2.0 TFSI 4WD 11/2008-03/2012, 132 kw, 1984 ccm, 180 PS, Coupe, Petrol , ENG: CDNB

2.0 TDI quattro 4WD 08/2008-03/2012, 125 kw, 1968 ccm, 170 PS, Coupe, Diesel , ENG: CAHA

2.0 TDI 4WD 10/2011-01/2017, 130 kw, 1968 ccm, 177 PS, Coupe, Diesel , ENG: CGLC

2.0 TDI 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Coupe, Diesel , ENG: CNHA

1.8 TFSI 4WD 10/2007-01/2017, 125 kw, 1798 ccm, 170 PS, Coupe, Petrol , ENG: CABD, CJEB

2.0 TFSI quattro 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Coupe, Petrol , ENG: CNCD

AUDI A5 Convertible (8F7) From 02/2009 to 01/2017

2.0 TDI 4WD 05/2009-06/2014, 120 kw, 1968 ccm, 163 PS, Convertible, Diesel , ENG: CGLD, CAHB

2.0 TFSI 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Convertible, Petrol , ENG: CNCD

2.0 TFSI 4WD 05/2013-12/2014, 162 kw, 1984 ccm, 220 PS, Convertible, Petrol , ENG: CAED

2.0 TDI 4WD 10/2011-05/2015, 105 kw, 1968 ccm, 143 PS, Convertible, Diesel , ENG: CJCA

2.0 TFSI 4WD 03/2009-06/2014, 155 kw, 1984 ccm, 211 PS, Convertible, Petrol , ENG: CDNC, CAEB

2.0 TDI quattro 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Convertible, Diesel , ENG: CNHA

2.0 TFSI quattro 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Convertible, Petrol , ENG: CNCD

1.8 TFSI 4WD 09/2011-03/2016, 125 kw, 1798 ccm, 170 PS, Convertible, Petrol , ENG: CJEB

2.0 TFSI quattro 4WD 03/2012-01/2017, 162 kw, 1984 ccm, 220 PS, Convertible, Petrol , ENG: CPMB

2.0 TDI 4WD 10/2011-01/2017, 130 kw, 1968 ccm, 177 PS, Convertible, Diesel , ENG: CGLC

2.0 TDI 4WD 05/2013-01/2017, 110 kw, 1968 ccm, 150 PS, Convertible, Diesel , ENG: CJCD, CSUA

2.0 TFSI quattro 4WD 03/2009-01/2017, 155 kw, 1984 ccm, 211 PS, Convertible, Petrol , ENG: CDNC, CPMA, CAEB

2.0 TDI quattro 4WD 01/2012-05/2015, 130 kw, 1968 ccm, 177 PS, Convertible, Diesel , ENG: CGLC

2.0 TDI 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Convertible, Diesel , ENG: CNHA

AUDI A5 Sportback (8TA) From 07/2007 to 01/2017

2.0 TFSI 4WD 09/2009-11/2013, 155 kw, 1984 ccm, 211 PS, Hatchback, Petrol , ENG: CDNC

2.0 TDI 4WD 05/2013-01/2017, 110 kw, 1968 ccm, 150 PS, Hatchback, Diesel , ENG: CJCD, CMFB, CSUA

2.0 TFSI 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Hatchback, Petrol , ENG: CNCD

2.0 TDI quattro 4WD 12/2011-01/2017, 130 kw, 1968 ccm, 177 PS, Hatchback, Diesel , ENG: CGLC

1.8 TFSI 4WD 08/2011-01/2017, 125 kw, 1798 ccm, 170 PS, Hatchback, Petrol , ENG: CJEB

2.0 TDI 4WD 10/2011-01/2017, 130 kw, 1968 ccm, 177 PS, Hatchback, Diesel , ENG: CGLC

2.0 TDI 4WD 09/2009-03/2012, 125 kw, 1968 ccm, 170 PS, Hatchback, Diesel , ENG: CAHA

2.0 TFSI quattro 4WD 08/2015-01/2017, 169 kw, 1984 ccm, 230 PS, Hatchback, Petrol , ENG: CNCE

2.0 TDI quattro 4WD 09/2009-03/2012, 125 kw, 1968 ccm, 170 PS, Hatchback, Diesel , ENG: CAHA

2.0 TDI 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Hatchback, Diesel , ENG: CNHA

2.0 TFSI 4WD 09/2009-06/2014, 132 kw, 1984 ccm, 180 PS, Hatchback, Petrol , ENG: CDNB

2.0 TDI 4WD 09/2009-01/2017, 100 kw, 1968 ccm, 136 PS, Hatchback, Diesel , ENG: CAGB, CSUB, CJCB

1.8 TFSI 4WD 05/2015-01/2017, 130 kw, 1798 ccm, 177 PS, Hatchback, Petrol , ENG: CJEE

2.0 TDI 4WD 09/2009-01/2017, 120 kw, 1968 ccm, 163 PS, Hatchback, Diesel , ENG: CAHB, CNHC, CGLD

2.0 TFSI quattro 4WD 05/2013-05/2016, 165 kw, 1984 ccm, 224 PS, Hatchback, Petrol , ENG: CNCD

1.8 TFSI 4WD 09/2014-01/2017, 106 kw, 1798 ccm, 144 PS, Hatchback, Petrol , ENG: CJED

2.0 TDI quattro 4WD 09/2013-01/2017, 140 kw, 1968 ccm, 190 PS, Hatchback, Diesel , ENG: CNHA

2.0 TFSI 4WD 08/2015-01/2017, 169 kw, 1984 ccm, 230 PS, Hatchback, Petrol , ENG: CNCE

2.0 TFSI quattro 4WD 09/2009-01/2017, 155 kw, 1984 ccm, 211 PS, Hatchback, Petrol , ENG: CDNC

2.0 TDI 4WD 09/2009-01/2017, 105 kw, 1968 ccm, 143 PS, Hatchback, Diesel , ENG: CMEA, CAGA, CJCA, CMFA

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

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

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

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

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 05/2013-05/2017, 162 kw, 1984 ccm, 220 PS, SUV, Petrol , ENG: CPMB

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

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

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

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

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

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

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

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

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

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.