Name: Coolant Tank RIDEX 397E0090 OE Ref 4F0 121 403G
Brand: RIDEX
SKU: 397E0090
Price: 48 GBP
Availability: InStock

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Coolant Tank RIDEX 397E0090 OE Ref 4F0 121 403G

Key Specification:

EAN: 4059191714629
Forward- /Backflow: with backflow
Heating/Cooling: with coolant level switch connection
Material: Plastic
OEM Reference number: 4F0121403C

See Full Specification

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£ 48

£ 40 excl. VAT

In Stock

SKU:	RIDEX 397E0090
Brand	RIDEX

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

4059191714629

Forward- /Backflow

with backflow

Heating/Cooling

with coolant level switch connection

Material

Plastic

OEM Reference number

4F0121403C

PURPOSE GROUP

Coolant Water

Supplementary Info

with sensor

Supplementary Info

without lid

Coolant Tank RIDEX 397E0090 OE Ref 4F0 121 403G

Coolant Tank OE Ref 4F0 121 403G – RIDEX – OEM 4F0121403C

This Coolant Tank OE Ref 4F0 121 403G is supplied by RIDEX as a replacement for OEM reference 4F0121403C. It is intended for use in selected AUDI vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference 397E0090 and EAN 4059191714629, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

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

Vehicle Compatibility

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 Engine Cooling System category.

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

AUDI 4F0 121 403C AUDI 4F0 121 403G AUDI 4F0 121 403N AUDI 4F0 121 403R

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

AUDI

AUDI A6 Allroad C6 (4FH) From 03/2006 to 08/2011

3.0 TDI quattro 4WD 05/2006-08/2011, 155 kw, 2967 ccm, 211 PS, Estate, Diesel , ENG: BNG, CDYB

3.0 TDI quattro 4WD 10/2008-08/2011, 176 kw, 2967 ccm, 240 PS, Estate, Diesel , ENG: CDYA, CDYC

2.7 TDI quattro 4WD 05/2006-08/2011, 120 kw, 2698 ccm, 163 PS, Estate, Diesel , ENG: CAND, BSG

3.2 FSI quattro 4WD 05/2006-10/2008, 188 kw, 3123 ccm, 255 PS, Estate, Petrol , ENG: AUK

2.7 TDI quattro 4WD 10/2008-08/2011, 140 kw, 2698 ccm, 190 PS, Estate, Diesel , ENG: CANC

AUDI A6 C6 (4F2) From 04/2004 to 08/2011

2.4 quattro 4WD 01/2005-10/2008, 130 kw, 2393 ccm, 177 PS, Saloon, Petrol , ENG: BDW

2.8 FSI 4WD 11/2006-10/2008, 154 kw, 2773 ccm, 210 PS, Saloon, Petrol , ENG: BDX

3.0 TDI quattro 4WD 05/2004-03/2011, 155 kw, 2967 ccm, 211 PS, Saloon, Diesel , ENG: BNG, CDYB

2.8 FSI 4WD 10/2008-03/2011, 162 kw, 2773 ccm, 220 PS, Saloon, Petrol , ENG: CCEA

2.8 FSI quattro 4WD 10/2008-03/2011, 140 kw, 2773 ccm, 190 PS, Saloon, Petrol , ENG: CCDA

3.2 FSI quattro 4WD 05/2004-10/2008, 188 kw, 3123 ccm, 255 PS, Saloon, Petrol , ENG: AUK, BKH

2.4 4WD 05/2004-10/2008, 130 kw, 2393 ccm, 177 PS, Saloon, Petrol , ENG: BDW

2.7 TDI quattro 4WD 10/2008-03/2011, 140 kw, 2698 ccm, 190 PS, Saloon, Diesel , ENG: CANC

2.0 TDI 4WD 11/2008-03/2011, 125 kw, 1968 ccm, 170 PS, Saloon, Diesel , ENG: CAHA

2.0 TDI 4WD 09/2005-06/2006, 89 kw, 1968 ccm, 121 PS, Saloon, Diesel , ENG: BVG

2.8 FSI quattro 4WD 06/2007-10/2008, 154 kw, 2773 ccm, 210 PS, Saloon, Petrol , ENG: BDX

2.7 TDI 4WD 11/2004-03/2011, 120 kw, 2698 ccm, 163 PS, Saloon, Diesel , ENG: CANB, BSG

3.0 TDI quattro 4WD 10/2008-03/2011, 176 kw, 2967 ccm, 240 PS, Saloon, Diesel , ENG: CDYA, CDYC

2.8 FSI quattro 4WD 10/2008-03/2011, 162 kw, 2773 ccm, 220 PS, Saloon, Petrol , ENG: CCEA

2.0 TDI 4WD 07/2004-10/2008, 103 kw, 1968 ccm, 140 PS, Saloon, Diesel , ENG: BLB, BRE

2.7 TDI quattro 4WD 06/2005-03/2011, 120 kw, 2698 ccm, 163 PS, Saloon, Diesel , ENG: CAND, BSG

3.2 FSI 4WD 05/2004-05/2009, 188 kw, 3123 ccm, 255 PS, Saloon, Petrol , ENG: AUK, BKH

2.8 FSI 4WD 10/2008-03/2011, 140 kw, 2773 ccm, 190 PS, Saloon, Petrol , ENG: CCDA

2.0 TDI 4WD 07/2004-03/2011, 100 kw, 1968 ccm, 136 PS, Saloon, Diesel , ENG: CAGB, BNA, BRF

3.2 FSI 4WD 05/2009-03/2011, 195 kw, 3197 ccm, 265 PS, Saloon, Petrol , ENG: CALA

2.7 TDI 4WD 10/2008-03/2011, 140 kw, 2698 ccm, 190 PS, Saloon, Diesel , ENG: CANA

2.0 TFSI 4WD 06/2005-03/2011, 125 kw, 1984 ccm, 170 PS, Saloon, Petrol , ENG: BYK, BPJ

3.2 FSI quattro 4WD 09/2006-10/2008, 183 kw, 3123 ccm, 249 PS, Saloon, Petrol , ENG: BYU

AUDI A6 C6 Avant (4F5) From 11/2004 to 08/2011

2.7 TDI 4WD 03/2005-08/2011, 120 kw, 2698 ccm, 163 PS, Estate, Diesel , ENG: CANB, BSG

2.7 TDI quattro 4WD 10/2008-08/2011, 140 kw, 2698 ccm, 190 PS, Estate, Diesel , ENG: CANC

2.0 TDI 4WD 10/2008-08/2011, 125 kw, 1968 ccm, 170 PS, Estate, Diesel , ENG: CAHA

2.7 TDI quattro 4WD 06/2005-08/2011, 120 kw, 2698 ccm, 163 PS, Estate, Diesel , ENG: CAND, BSG

2.0 TDI 4WD 06/2005-08/2011, 100 kw, 1968 ccm, 136 PS, Estate, Diesel , ENG: CAGB, BNA, BRF

2.0 TFSI 4WD 06/2005-08/2011, 125 kw, 1984 ccm, 170 PS, Estate, Petrol , ENG: BPJ

3.0 TDI quattro 4WD 10/2008-08/2011, 176 kw, 2967 ccm, 240 PS, Estate, Diesel , ENG: CDYA, CDYC

3.0 TDI quattro 4WD 03/2005-08/2011, 155 kw, 2967 ccm, 211 PS, Estate, Diesel , ENG: BNG, CDYB

2.4 4WD 03/2005-10/2008, 130 kw, 2393 ccm, 177 PS, Estate, Petrol , ENG: BDW

2.8 FSI quattro 4WD 10/2008-08/2011, 140 kw, 2773 ccm, 190 PS, Estate, Petrol , ENG: CCDA

3.2 FSI 4WD 03/2005-10/2008, 188 kw, 3123 ccm, 255 PS, Estate, Petrol , ENG: AUK

2.8 FSI 4WD 10/2008-08/2011, 140 kw, 2773 ccm, 190 PS, Estate, Petrol , ENG: CCDA

2.0 TDI 4WD 06/2005-10/2008, 103 kw, 1968 ccm, 140 PS, Estate, Diesel , ENG: BLB, BRE

2.7 TDI 4WD 10/2008-08/2011, 140 kw, 2698 ccm, 190 PS, Estate, Diesel , ENG: CANA

2.8 FSI 4WD 11/2006-10/2008, 154 kw, 2773 ccm, 210 PS, Estate, Petrol , ENG: BDX

2.0 TDI 4WD 04/2009-08/2011, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: CAHB

2.0 TDI 4WD 09/2005-06/2006, 89 kw, 1968 ccm, 121 PS, Estate, Diesel , ENG: BVG

2.8 FSI quattro 4WD 10/2008-08/2011, 162 kw, 2773 ccm, 220 PS, Estate, Petrol , ENG: CCEA

2.4 quattro 4WD 03/2005-10/2008, 130 kw, 2393 ccm, 177 PS, Estate, Petrol , ENG: BDW

2.8 FSI quattro 4WD 06/2007-10/2008, 154 kw, 2773 ccm, 210 PS, Estate, Petrol , ENG: BDX

3.2 FSI quattro 4WD 03/2005-10/2008, 188 kw, 3123 ccm, 255 PS, Estate, Petrol , ENG: AUK, BKH

2.8 FSI 4WD 10/2008-08/2011, 162 kw, 2773 ccm, 220 PS, Estate, Petrol , ENG: CCEA

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.