Thermostat Housing78 121 121 K

Audi, SEAT, Škoda, and Volkswagen OE number, as listed in aftermarket supplier catalogues. Compare listings for this exact number, then confirm the part number and vehicle fitment before ordering.

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Aftermarket part numbers

Supplier articles whose catalogue lists 78 121 121 K. Check the supplier’s own restrictions before ordering.

VEMO
V15-99-0004

Vehicle fitment

Engine code and production dates decide fitment. Model name and year alone don’t.

37 vehicles in 13 model series, inferred

Aftermarket parts that list 78 121 121 K fit these vehicles according to their supplier catalogues. That does not prove 78 121 121 K itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

11 model series · 35 vehicles
Audi model series inferred from aftermarket parts
Model seriesProductionEngine codesHSN / TSN
A4 (8E2) 2000–20092 vehicles09/2001 – 12/2004AMM, BDV
  • 0588 / 784, 786
A4 (8E5) Avant 2001–20042 vehicles09/2001 – 12/2004AMM, BDV
  • 0588 / 785, 787
A4 (8H) Cabrio 2002–20092 vehicles04/2002 – 12/2005AMM, BDV
  • 0588 / 792, 798, AEQ, AEV
A6 (4B) 1997–20126 vehicles04/1997 – 01/2005ACK, AGA, AJG, AJK, ALF, ALG, ALW, AML, AMM, AMX, APR, APS, APZ, AQD, ARJ, ARN, ASM, ATQ, BDV
  • 0588 / 653, 655, 659, 669, 695, 768
A6 (4B) Allroad quattro2 vehicles05/2000 – 08/2005ARE, BES
  • 0588 / 736
A6 (4B) Avant6 vehicles04/1997 – 01/2005ACK, AGA, AJG, AJK, ALF, ALG, ALW, AML, AMM, AMX, APR, APS, APZ, AQD, ARJ, ARN, ASM, BDV
  • 0588 / 679, 684, 686, 690, 694, 770
A6 (4B) Avant quattro6 vehicles04/1997 – 01/2005ACK, AGA, AJK, ALF, ALG, AML, AMX, APR, APS, AQD, ARE, ARJ, ATQ, AZA, BDV, BES
  • 0588 / 687, 691, 692, 736, 771
A6 (4B) quattro6 vehicles04/1997 – 01/2005ACK, AGA, AJK, ALF, ALG, AML, AMX, APR, APS, AQD, ARE, ARJ, ATQ, AZA, BDV, BES
  • 0588 / 654, 656, 693, 767, 769
A8 (4D) 1994–20021 vehicle04/1996 – 09/2002ACK, ALG, AMX, APR, AQD
  • 0588 / 631
A8 (4D) quattro1 vehicle07/1995 – 09/2002ACK, ALG, AMX, APR, AQD
  • 0588 / 632
RS4 (8D) Avant quattro1 vehicle06/2000 – 09/2001ASJ, AZR
  • 7967 / 307

Škoda

1 model series · 1 vehicle
Škoda model series inferred from aftermarket parts
Model seriesProductionEngine codesHSN / TSN
Superb I1 vehicle12/2001 – 04/2008AMX
  • 8004 / 381, AAC

Volkswagen

1 model series · 1 vehicle
Volkswagen model series inferred from aftermarket parts
Model seriesProductionEngine codesHSN / TSN
Passat 4 4motion (3B)1 vehicle1 of them: some versions only01/1999 – 05/2005ACK, AHA, ALG, AMX, APR, AQD, ATQ
  • 0603 / 352, 623, 642