Coolant Tank Cap AMCP-18143-VW005 OE Ref 4M0121321J

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Key Specification:

OEM Reference number: 4M0121321J
Supplementary Info: EXPANSION TANK CAP
Supplementary Info: TANKS
Supplementary Info: AUDI A4 2015- - Q5 2016-
Material: Plastic

See Full Specification

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£ 39.00

£ 30.70 excl. VAT

In Stock

SKU:	AMCP-18143-VW005
Brand	Aftermarket

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Specification
Description
OEM Numbers
Compatibilities
Reviews

OEM Reference number

4M0121321J

Supplementary Info

EXPANSION TANK CAP

Supplementary Info

TANKS

Supplementary Info

AUDI A4 2015- - Q5 2016-

Material

Plastic

Colour

blue

PURPOSE GROUP

Coolant Tank

Pressure [bar]

1-4

Fabrication Number

AMCP-18143-VW005

COOLANT TUBES

Trusted Coolant Tank Cap OE Ref for Long-Lasting Performance

Engineered to replace OEM Part Number 4M0121321J, this Coolant Tank Cap OE Ref is the ideal choice for your AUDI. Manufactured by Aftermarket, it offers unparalleled reliability and performance. Available at £39.00 (VAT included), it’s marked with Reference Number AMCP-18143-VW005 and EAN for easy tracking.

At e Auto Parts, we’re committed to providing top-quality Engine Cooling System components. This Coolant Tank Cap OE Ref is crafted with precision, ensuring durability even under the most demanding road conditions. Plus, its straightforward design makes installation simple, whether you’re a professional or tackling a DIY project.

EXPANSION TANK CAPTANKSAUDI A4 2015- - Q5 2016-

Fits the following vehicles:

AUDI
- A4 Allroad B9 (8WH, 8WJ) From 01/2016
- A4 B9 (8W2, 8WC) From 05/2015
- A4 B9 Avant (8W5, 8WD) From 08/2015
- Q5 (FYB, FYG) From 05/2016
- Q7 (4MB, 4MG) From 01/2015

Before ordering, confirm compatibility using our registration lookup tool or cross-check the OEM Part Number 4M0121321J. Experience fast delivery and exceptional service by shopping with e Auto Parts!

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

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

AUDI

AUDI A4 Allroad B9 (8WH, 8WJ) From 01/2016

3.0 TDI quattro 4WD 01/2016-08/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CSWB

2.0 TDI quattro 4WD 05/2016-10/2019, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: DETB

2.0 TDI quattro 4WD 01/2016-, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: DESA, DETA, DFVA

2.0 TFSI quattro 4WD 01/2016-, 185 kw, 1984 ccm, 252 PS, Estate, Petrol , ENG: CYRB, CYMC, DLHB

2.0 TFSI quattro 4WD 05/2016-10/2019, 183 kw, 1984 ccm, 249 PS, Estate, Petrol , ENG: CYRC

3.0 TDI quattro 4WD 01/2016-08/2018, 200 kw, 2967 ccm, 272 PS, Estate, Diesel , ENG: CRTC

AUDI A4 B9 (8W2, 8WC) From 05/2015

40 TDI quattro 4WD 09/2015-11/2019, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: DETA

2.0 TDI quattro 4WD 09/2016-11/2019, 120 kw, 1968 ccm, 163 PS, Saloon, Diesel , ENG: DETB

35 TDI 4WD 08/2015-, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: DEUA, CZHA

3.0 TDI quattro 4WD 05/2015-08/2018, 200 kw, 2967 ccm, 272 PS, Saloon, Diesel , ENG: CRTC

45 TFSI Mild Hybrid 4WD 07/2018-11/2019, 180 kw, 1984 ccm, 245 PS, Saloon, Mild Hybrid , ENG: DKNA

3.0 TDI 4WD 09/2015-08/2018, 160 kw, 2967 ccm, 218 PS, Saloon, Diesel , ENG: CSWB

35 TFSI Mild Hybrid 4WD 12/2018-, 110 kw, 1984 ccm, 150 PS, Saloon, Mild Hybrid , ENG: CVKC, DMSB, CVKB, DEMB, DLVB

35 TDI Mild Hybrid 4WD 03/2019-, 120 kw, 1968 ccm, 163 PS, Saloon, Mild Hybrid , ENG: DEZE, DTNA

2.0 TDI quattro 4WD 09/2015-11/2019, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: DFVA, DESA, DETA

2.0 TDI quattro 4WD 09/2016-11/2019, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: DEUA

2.0 TFSI quattro 4WD 11/2015-11/2019, 183 kw, 1984 ccm, 249 PS, Saloon, Petrol , ENG: CYRC

2.0 TFSI quattro 4WD 05/2015-, 185 kw, 1984 ccm, 252 PS, Saloon, Petrol , ENG: CYRB, CYMC

2.0 TDI 4WD 05/2015-11/2019, 100 kw, 1968 ccm, 136 PS, Saloon, Diesel , ENG: DEUB

2.0 TFSI Mild Hybrid 4WD 05/2017-11/2019, 185 kw, 1984 ccm, 252 PS, Saloon, Mild Hybrid , ENG: DDWA

2.0 TFSI 4WD 05/2015-, 140 kw, 1984 ccm, 190 PS, Saloon, Petrol , ENG: DBPA, CVKB

40 TFSI Mild Hybrid 4WD 05/2017-, 140 kw, 1984 ccm, 190 PS, Saloon, Mild Hybrid , ENG: DLVA, DEMA, DKYA

40 TDI 4WD 05/2015-11/2019, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: DESA, DETA

2.0 TDI 4WD 05/2016-11/2019, 90 kw, 1968 ccm, 122 PS, Saloon, Diesel , ENG: DEUC

45 TFSI Mild Hybrid quattro 4WD 07/2018-11/2019, 180 kw, 1984 ccm, 245 PS, Saloon, Mild Hybrid , ENG: DKNA

3.0 TDI quattro 4WD 09/2015-08/2018, 160 kw, 2967 ccm, 218 PS, Saloon, Diesel , ENG: CSWB

2.0 TDI 4WD 05/2015-11/2019, 110 kw, 1968 ccm, 150 PS, Saloon, Diesel , ENG: DEUA, CZHA

2.0 TDI 4WD 05/2015-, 140 kw, 1968 ccm, 190 PS, Saloon, Diesel , ENG: DESA, DETA, DFVA

2.0 TFSI 4WD 11/2015-11/2019, 183 kw, 1984 ccm, 249 PS, Saloon, Petrol , ENG: CYRC

2.0 TFSI 4WD 05/2015-11/2019, 185 kw, 1984 ccm, 252 PS, Saloon, Petrol , ENG: CYRB, CYMC

30 TDI 4WD 05/2016-11/2019, 90 kw, 1968 ccm, 122 PS, Saloon, Diesel , ENG: DEUC

2.0 TFSI Mild Hybrid quattro 4WD 05/2017-11/2019, 185 kw, 1984 ccm, 252 PS, Saloon, Mild Hybrid , ENG: DDWA

1.4 TFSI 4WD 08/2015-11/2019, 110 kw, 1395 ccm, 150 PS, Saloon, Petrol , ENG: CVNA

AUDI A4 B9 Avant (8W5, 8WD) From 08/2015

2.0 TDI quattro 4WD 10/2015-09/2018, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: DESA, DETA, DFVA

2.0 TDI 4WD 04/2016-09/2018, 90 kw, 1968 ccm, 122 PS, Estate, Diesel , ENG: DEUC

2.0 TFSI quattro 4WD 08/2015-10/2019, 185 kw, 1984 ccm, 252 PS, Estate, Petrol , ENG: CYRB, CYMC

45 TFSI Mild Hybrid 4WD 07/2018-10/2019, 180 kw, 1984 ccm, 245 PS, Estate, Mild Hybrid , ENG: DKNA

1.4 TFSI 4WD 02/2016-10/2019, 110 kw, 1395 ccm, 150 PS, Estate, Petrol , ENG: CVNA

2.0 TDI 4WD 08/2015-10/2019, 100 kw, 1968 ccm, 136 PS, Estate, Diesel , ENG: DEUB

2.0 TFSI Mild Hybrid 4WD 05/2017-10/2019, 185 kw, 1984 ccm, 252 PS, Estate, Mild Hybrid , ENG: DDWA

2.0 TFSI 4WD 05/2016-10/2019, 185 kw, 1984 ccm, 252 PS, Estate, Petrol , ENG: CYRB, CYMC

30 TDI 4WD 10/2018-10/2019, 90 kw, 1968 ccm, 122 PS, Estate, Diesel , ENG: DEUC

40 TDI quattro 4WD 10/2018-09/2020, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: DETA

3.0 TDI quattro 4WD 11/2015-08/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CSWB

35 TDI 4WD 10/2018-10/2019, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: DEUA

2.0 TDI 4WD 08/2015-09/2018, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: DEUA, CZHA

2.0 TDI quattro 4WD 09/2016-09/2018, 120 kw, 1968 ccm, 163 PS, Estate, Diesel , ENG: DETB

2.0 TDI 4WD 08/2015-09/2018, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: DESA, DETA, DFVA

45 TFSI Mild Hybrid quattro 4WD 07/2018-10/2019, 180 kw, 1984 ccm, 245 PS, Estate, Mild Hybrid , ENG: DKNA

2.0 TFSI 4WD 08/2015-, 140 kw, 1984 ccm, 190 PS, Estate, Petrol , ENG: DBPA, CVKB, DKYA

35 TFSI Mild Hybrid 4WD 12/2018-, 110 kw, 1984 ccm, 150 PS, Estate, Mild Hybrid , ENG: CVKC, DMSB, DLVB

2.0 TDI quattro 4WD 09/2016-10/2019, 110 kw, 1968 ccm, 150 PS, Estate, Diesel , ENG: DEUA

2.0 TFSI quattro 4WD 11/2015-10/2019, 183 kw, 1984 ccm, 249 PS, Estate, Petrol , ENG: CYRC

2.0 TFSI Mild Hybrid quattro 4WD 11/2018-, 185 kw, 1984 ccm, 252 PS, Estate, Mild Hybrid , ENG: DDWA

40 TFSI g-tron 4WD 11/2016-, 125 kw, 1984 ccm, 170 PS, Estate, Petrol , ENG: CVLA, DRXA

2.0 TFSI 4WD 05/2016-10/2019, 183 kw, 1984 ccm, 249 PS, Estate, Petrol , ENG: CYRC

40 TFSI Mild Hybrid 4WD 05/2017-10/2019, 140 kw, 1984 ccm, 190 PS, Estate, Mild Hybrid , ENG: DLVA, DEMA, DKYA

3.0 TDI quattro 4WD 08/2015-08/2018, 200 kw, 2967 ccm, 272 PS, Estate, Diesel , ENG: CRTC

40 TDI 4WD 10/2018-05/2019, 140 kw, 1968 ccm, 190 PS, Estate, Diesel , ENG: DESA, DETA

3.0 TDI 4WD 10/2015-08/2018, 160 kw, 2967 ccm, 218 PS, Estate, Diesel , ENG: CSWB

2.0 TFSI g-tron 4WD 11/2016-10/2019, 125 kw, 1984 ccm, 170 PS, Estate, Petrol , ENG: CVLA

AUDI Q5 (FYB, FYG) From 05/2016

2.0 TDI 4WD 01/2017-11/2020, 110 kw, 1968 ccm, 150 PS, SUV, Diesel , ENG: DEUA

2.0 TFSI quattro 4WD 01/2017-11/2020, 183 kw, 1984 ccm, 249 PS, SUV, Petrol , ENG: DAXC

2.0 TDI quattro 4WD 06/2016-08/2018, 120 kw, 1968 ccm, 163 PS, SUV, Diesel , ENG: DETB

2.0 TDI 4WD 01/2017-11/2020, 100 kw, 1968 ccm, 136 PS, SUV, Diesel , ENG: DEUB

2.0 TFSI quattro 4WD 06/2016-11/2020, 185 kw, 1984 ccm, 252 PS, SUV, Petrol , ENG: DAXB, DJYA, DAYB

2.0 TDI quattro 4WD 06/2016-08/2018, 140 kw, 1968 ccm, 190 PS, SUV, Diesel , ENG: DESA, DETA

AUDI Q7 (4MB, 4MG) From 01/2015

3.0 TDI quattro 4WD 05/2015-12/2019, 160 kw, 2967 ccm, 218 PS, SUV, Diesel , ENG: CZZA, CRTE

3.0 TDI quattro 4WD 01/2015-12/2019, 200 kw, 2967 ccm, 272 PS, SUV, Diesel , ENG: CRTC

3.0 TDI e-tron quattro 4WD 08/2015-12/2019, 275 kw, 2967 ccm, 374 PS, SUV, Plug-In Hybrid , ENG: CVZA

2.0 TFSI quattro 4WD 08/2015-, 185 kw, 1984 ccm, 252 PS, SUV, Petrol , ENG: DMFB, CYRB, CYMC

3.0 TDI quattro 4WD 06/2015-12/2019, 183 kw, 2967 ccm, 249 PS, SUV, Diesel , ENG: CVMD

3.0 TFSI quattro 4WD 01/2015-12/2019, 245 kw, 2995 ccm, 333 PS, SUV, Petrol , ENG: CREC

3.0 TDI quattro 4WD 08/2015-12/2019, 190 kw, 2967 ccm, 258 PS, SUV, Diesel , ENG: CUEA

3.0 TDI quattro 4WD 08/2015-12/2019, 155 kw, 2967 ccm, 211 PS, SUV, Diesel , ENG: CZZB

Berry
1 July, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 May, 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 Jan, 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, 2024
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, 2024
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.