Skip to main content
CarParts247
Expansion Tank HEPU TM6321Expansion Tank HEPU TM6321 (2)
TM6321EAN 4250093412266

Expansion Tank HEPU TM6321

coolant expansion tank HEPU TM6321. Fits 33 car models (AUDI, SEAT, SKODA +1). Replaces 5 OE numbers.

Your car

Does this fit your car?

Choose your car and we will check this part against the manufacturer's data.

In stockPrice incl. VAT

£30.99 Save £8.00 (26%)

Buy Now

  • Delivery in 4–8 working days.
  • Delivery £5.99. Free from £50.00.
  • 14-day money-back guarantee
  • Earn 22 points on this item

Specification. From the manufacturer's data.

Brand
HEPU
Category
coolant expansion tank
for OE number
6Q0 121 407 D
MPN
TM6321
SKU
0178-TM6321
GTIN / EAN
4250093412266
What's included
1x coolant expansion tank

OE numbers. The originals this part replaces.

Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.

Equivalent products. They fit in the same place.

15 available · 77 numbers In stock from £13.99 to £24.99.

All coolant expansion tank
Show 3 more
All 77 cross-reference numbers

Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.

  • 4U Autoparts 12763VV
  • ABAKUS 053-026-004
  • AHE VLR102001
  • AIC 51033
  • AKRON-MALÒ 117057
  • AKS DASIS 043010N
  • Aslyx AS-201400
  • AUTOMEGA 160057410
  • BBR Automotive 002-60-03832
  • BIRTH 8688
  • BOGAP A4240109
  • Borsehung B11938
  • Borsehung B11942
  • Borsehung B19084
  • BSG BSG90-550-004
  • BTAP BVE904-006
  • CALORSTAT by Vernet ET0005C1
  • CAUTEX 461088
  • FARE SA 3620
  • FARE-MX 3620
  • FEBI BILSTEIN 44535
  • G.U.D. GET000164
  • GOOM RT-0017
  • hajus Autoteile 1211080
  • HOFFER 2035007
  • JP GROUP 1114701200
  • KALE OTO RADYATÖR 343645
  • KAMOKA 7720018
  • KLOKKERHOLM 95073001
  • KRAFT AUTOMOTIVE 1540010
  • KRAFT AUTOMOTIVE 1540016
  • MAGNETI MARELLI 359001601210
  • MAHLE CRT22000S
  • MAXGEAR 77-0026
  • MEAT & DORIA 2035007
  • MEC-DIESEL 590510
  • Metalcaucho 03675
  • METZGER AUTOTEILE 2140008
  • MEYLE 1002230005
  • MI.R.A. 14/4246
  • MTR 12191382
  • NISSENS 996117
  • NRF 454081
  • NTY CZW-VW-013
  • ORIGINAL IMPERIUM 44108
  • ORIGINAL IMPERIUM 44108/I
  • OSSCA 01343
  • PATRON P10-0015
  • PLYOM P461088
  • PREXAparts P127008
  • QUINTON HAZELL QVE555
  • RIDEX 397E0026
  • SCHNIEDER AUTOTECH VAS32.00014
  • Stark SKET-0960025
  • STC T403675
  • STELLOX 75-51208-SX
  • STORM QUALITY PARTS F3620
  • SWAG 30944535
  • THERMOTEC DBW006TT
  • TOPRAN 109342
  • TRICLO 483598
  • TRUCKTEC AUTOMOTIVE 07.40.064
  • UNIGOM 221808
  • VAICO V10-0558
  • VAN HECK 1321008
  • VEMA 163015
  • vika 11210084001
  • vika 11211837601
  • VITALE VW121407
  • WE PARTS 422600007
  • WILMINK GROUP WG1795433
  • WILMINK GROUP WG2161650
  • WILMINK GROUP WG2184363
  • WXQP 320765
  • YSPARTS YS-ET005
  • ZEKKERT BD-1015
  • ZEKKERT BD-1034

Compatible cars. AUDI, SEAT, SKODA +1, 33 models.

Matched from the manufacturer's data.

coolant expansion tank for AUDIcoolant expansion tank for SEATcoolant expansion tank for SKODAcoolant expansion tank for VW

Models HEPU TM6321 fits
ModelEnginesYears
AUDI2 models
AUDI A1 (8X1, 8XK)1.2 TFSI, 1.4 TFSI, 1.6 TDI, 2.0 TDI, 2.0 TFSI quattro2010–2019
AUDI A1 Sportback (8XA, 8XF)1.2 TFSI, 1.4 TFSI, 1.6 TDI, 2.0 TDI2011–2019
SEAT7 models
SEAT CORDOBA (6L2)1.2, 1.2 12V, 1.4 16V, 1.4 TDI, 1.6, 1.6 16V, 1.9 TDI, 2.02002–2009
SEAT IBIZA III (6L1)1.2, 1.2 12V, 1.4 16V, 1.4 TDI, 1.6, 1.6 16V, 1.8 T Cupra R, 1.8 T FR, 1.9 SDI, 1.9 TDI, 1.9 TDI Cupra R, 2.02002–2009
SEAT IBIZA IV (6J5, 6P1)1.0 TSI, 1.2, 1.2 LPG, 1.2 TDI, 1.2 TSI, 1.4, 1.4 LPG, 1.4 TDI, 1.4 TSI, 1.6, 1.6 LPG, 1.6 TDI, 1.9 TDI, 2.0, 2.0 TDI2008–2017
SEAT IBIZA IV Hatchback Van (6J1)1.2, 1.6 TDI2008–2015
SEAT3 more models
Models HEPU TM6321 fits
ModelEnginesYears
SEAT IBIZA IV SC (6J1, 6P5)1.0 TSI, 1.2, 1.2 TDI, 1.2 TSI, 1.4, 1.4 TDI, 1.4 TSI, 1.4 TSI Cupra, 1.6, 1.6 LPG, 1.6 TDI, 1.9 TDI, 2.0, 2.0 TDI2008–2018
SEAT IBIZA IV ST (6J8, 6P8)1.0 TSI, 1.2, 1.2 TDI, 1.2 TSI, 1.4, 1.4 TSI, 1.6, 1.6 TDI2010–2016
SEAT TOLEDO IV (KG3)1.2, 1.2 TSI, 1.4 TSI, 1.6, 1.6 TDI2012–2019
SKODA13 models
Models HEPU TM6321 fits
ModelEnginesYears
SKODA FABIA I (6Y2)1.0, 1.2, 1.4, 1.4 16V, 1.4 TDI, 1.9 SDI, 1.9 TDI, 1.9 TDI RS, 2.01999–2008
SKODA FABIA I Combi (6Y5)1.0, 1.2, 1.4, 1.4 16V, 1.4 TDI, 1.9 SDI, 1.9 TDI, 2.02000–2007
SKODA FABIA I Praktik (6Y5)1.2, 1.4, 1.4 TDI, 1.9 SDI, 1.9 TDI2000–2007
SKODA FABIA I Saloon (6Y3)1.0, 1.2, 1.4, 1.4 16V, 1.4 TDI, 1.9 SDI, 1.9 TDI, 2.01999–2007
SKODA FABIA II (542)1.2, 1.2 12V, 1.2 LPG, 1.2 TDI, 1.2 TSI, 1.4, 1.4 LPG, 1.4 TDI, 1.4 TSI RS, 1.6, 1.6 TDI, 1.9 TDI2006–2014
SKODA FABIA II Combi (545)1.2, 1.2 12V, 1.2 LPG, 1.2 TDI, 1.2 TSI, 1.4, 1.4 LPG, 1.4 TDI, 1.4 TSI RS, 1.6, 1.6 TDI, 1.9 TDI2007–2014
SKODA FABIA III (NJ3)1.0, 1.0 TSI, 1.2 TSI, 1.4 TSI R5, 1.62014–2021
SKODA FABIA III Estate (NJ5)1.0, 1.0 TSI, 1.2 TSI, 1.62014–2022
SKODA RAPID (NA2)1.6, 1.6 TDI2011–
SKODA RAPID (NH3, NK3, NK6)1.2, 1.2 TSI, 1.6, 1.6 TDI2012–2022
SKODA RAPID Spaceback (NH1)1.2, 1.2 LPG, 1.2 TSI, 1.6 TDI2012–2019
SKODA ROOMSTER (5J7)1.2, 1.2 LPG, 1.2 TDI, 1.2 TSI, 1.4, 1.4 LPG, 1.4 TDI, 1.6, 1.6 LPG, 1.6 TDI, 1.9 TDI2006–2015
SKODA ROOMSTER Praktik (5J)1.2, 1.2 TDI, 1.4, 1.4 TDI, 1.6 TDI2007–2015
VW11 models
Models HEPU TM6321 fits
ModelEnginesYears
VW FOX Hatchback (5Z1, 5Z3, 5Z4)1.2, 1.4, 1.4 TDI, 1.9 D2003–2015
VW FOX Van (5Z1)1.22010–2011
VW POLO IV (9N, 9A)1.2, 1.2 12V, 1.4, 1.4 16V, 1.4 BiFuel, 1.4 FSI, 1.4 TDI, 1.6, 1.6 16V, 1.8 GTI, 1.8 GTi Cup Edition, 1.9 SDI, 1.9 TDI, 2.02001–2014
VW POLO IV Saloon (9A4, 9A2, 9N2, 9A6)1.4, 1.4 TDI, 1.6, 1.6 Total Flex, 1.9 SDI, 2.02002–
VW POLO IV Saloon (9N2, 9N4)1.4 TDi, 1.6, 1.6 16V2002–2010
VW POLO V (6R1, 6C1)1.0, 1.0 TSI, 1.2, 1.2 TDI, 1.2 TSI, 1.2 TSI 16V, 1.4 (6R1), 1.4 BiFuel, 1.4 GTI, 1.4 TSI, 1.6, 1.6 BiFuel, 1.6 TDI, 1.8 GTI, 1.8 GTI 230, 2.0 R WRC2009–2022
VW POLO V Saloon (602, 604, 612, 614)1.6, 1.6 TDI2009–
VW POLO Van V (6R1, 6C1)1.0, 1.0 TSI, 1.2, 1.2 TDi, 1.2 TSi, 1.2 TSI, 1.4, 1.4 GTi, 1.4 TSI, 1.6 TDi2009–2017
VW POLO VIVO Hatchback (6S1, 6S3)1.4, 1.6 16V2010–2019
VW POLO VIVO Saloon (6S2, 6S4)1.4, 1.62010–2019
VW VENTO (602, 604)1.6 TDI2010–

Always verify compatibility with your vehicle before ordering.

More about this part. Related categories and similar parts.

HEPU

More HEPU parts

Related categories

All coolant expansion tankAUDISEATSKODAVW

Customers also bought

Common OE numbers for this part

Common original equipment numbers linked to replacement-part pages.

Related Guides

Expansion Tank Buying GuideCoolant loss and cracked tanks — how to spot a failing expansion tank, pressure cap types, and replacement guide.

Delivery and returns. No small print.

£5.99

Standard delivery

See the delivery estimate beside the price.

£50.00

Free delivery

Orders from £50.00

14 days

Returns

Money back if the part does not fit.

  • Visa
  • Mastercard
  • PayPal
  • Apple Pay
  • Google Pay
  • Klarna

Secure payments

Encrypted checkout

2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms

We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country

Delivery times to EU countries (working days)

Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10