Thermostat HELLA 8MT 354 778-321
- EAN: 4082300707786
- HELLA: Coolant
- Length [cm]: 14.3
- OEM Reference number: 354778321
- Opening Temperature [C]: 71
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Thermostat – HELLA – OEM 354778321
This Thermostat is supplied by HELLA as a replacement for OEM reference 354778321. It is intended for use in selected AUDI, BMW, CITROEN, MERCEDES-BENZ, OPEL, PORSCHE, RENAULT, SKODA, VW vehicles and designed to meet original equipment fit and functional requirements.
The part is identified by manufacturer reference 8MT 354 778-321 and EAN EAN: 4082300707786, allowing accurate identification and compatibility verification prior to installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.
- with gaskets/seals
Fitment & Compatibility
Correct part selection is essential to ensure proper fitment. Please confirm compatibility by matching the OEM reference number or using the vehicle registration lookup tool before ordering.
This part is compatible with selected AUDI, BMW, CITROEN, MERCEDES-BENZ, OPEL, PORSCHE, RENAULT, SKODA, VW 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.
2.0 E 4WD 08/1988-10/1990, 82 kw, 1984 ccm, 112 PS, Saloon, Petrol , ENG: 3A
2.3 E quattro 4WD 09/1991-11/1994, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: NG
RS2 quattro 4WD 03/1994-05/1995, 232 kw, 2226 ccm, 315 PS, Estate, Petrol , ENG: ADU
1.8 T quattro 4WD 07/2002-12/2004, 120 kw, 1781 ccm, 163 PS, Estate, Petrol , ENG: BFB
2.8 quattro 4WD 06/1994-12/1997, 128 kw, 2771 ccm, 174 PS, Estate, Petrol , ENG: AAH, AFC
S6 Turbo quattro 4WD 06/1994-12/1997, 169 kw, 2226 ccm, 230 PS, Estate, Petrol , ENG: AAN
S6 4.2 quattro 4WD 06/1994-12/1997, 213 kw, 4172 ccm, 290 PS, Estate, Petrol , ENG: AEC
325 xi 4WD 09/2000-02/2005, 141 kw, 2494 ccm, 192 PS, Saloon, Petrol , ENG: M54 B25 (256S5)
4 4WD 01/1970-12/1975, 17 kw, 435 ccm, 23 PS, Saloon, Petrol , ENG: A79/1 (AYA2)
4 4WD 03/1963-02/1970, 12 kw, 425 ccm, 16 PS, Saloon, Petrol , ENG: A 53
C-Zero Rear-Wheel Drive 10/2010-, 35 kw, ccm, 48 PS, Hatchback, Electric Motor , ENG: Y4F1
220 CE (124.042) Rear-Wheel Drive 10/1992-05/1993, 110 kw, 2199 ccm, 150 PS, Coupe, Petrol , ENG: M 111.960
220 E (124.022) Rear-Wheel Drive 10/1992-06/1993, 110 kw, 2199 ccm, 150 PS, Saloon, Petrol , ENG: M 111.960
200 E (124.019) Rear-Wheel Drive 10/1992-06/1993, 100 kw, 1998 ccm, 136 PS, Saloon, Petrol , ENG: M 111.940
220 TE (124.082) Rear-Wheel Drive 10/1992-05/1993, 110 kw, 2199 ccm, 150 PS, Estate, Petrol , ENG: M 111.960
200 TE (124.079) Rear-Wheel Drive 05/1986-06/1993, 100 kw, 1998 ccm, 136 PS, Estate, Petrol , ENG: M 111.940
C 220 (202.022) Rear-Wheel Drive 03/1993-05/2000, 110 kw, 2199 ccm, 150 PS, Saloon, Petrol , ENG: M 111.961
C 200 Kompressor (202.025) Rear-Wheel Drive 11/1996-05/2000, 141 kw, 1998 ccm, 192 PS, Saloon, Petrol , ENG: M 111.944
C 230 Kompressor (202.024) Rear-Wheel Drive 10/1995-05/2000, 142 kw, 2295 ccm, 193 PS, Saloon, Petrol , ENG: M 111.975
C 180 (202.018) Rear-Wheel Drive 11/1994-05/2000, 89 kw, 1799 ccm, 121 PS, Saloon, Petrol , ENG: M 111.920, M 111.921
C 200 (202.020) Rear-Wheel Drive 01/1994-05/2000, 100 kw, 1998 ccm, 136 PS, Saloon, Petrol , ENG: M 111.945, M 111.941
C 180 (202.018) Rear-Wheel Drive 03/1993-05/2000, 90 kw, 1799 ccm, 122 PS, Saloon, Petrol , ENG: M 111.920, M 111.921
C 230 (202.023) Rear-Wheel Drive 06/1996-06/1997, 110 kw, 2295 ccm, 150 PS, Saloon, Petrol , ENG: M 111.974
C 200 Kompressor (202.025) Rear-Wheel Drive 10/1995-05/2000, 132 kw, 1998 ccm, 180 PS, Saloon, Petrol , ENG: M 111.944
C 180 T (202.078) Rear-Wheel Drive 06/1996-09/2000, 90 kw, 1799 ccm, 122 PS, Estate, Petrol , ENG: M 111.920, M 111.921
C 180 T (202.081) Rear-Wheel Drive 09/2000-03/2001, 95 kw, 1998 ccm, 129 PS, Estate, Petrol , ENG: M 111.952
C 230 T Kompressor (202.085) Rear-Wheel Drive 06/1997-09/2000, 142 kw, 2295 ccm, 193 PS, Estate, Petrol , ENG: M 111.975
C 200 T Kompressor (202.082) Rear-Wheel Drive 11/1996-03/2001, 141 kw, 1998 ccm, 192 PS, Estate, Petrol , ENG: M 111.944
C 230 T (202.083) Rear-Wheel Drive 06/1996-06/1998, 110 kw, 2295 ccm, 150 PS, Estate, Petrol , ENG: M 111.974
C 200 T (202.080) Rear-Wheel Drive 06/1996-03/2001, 100 kw, 1998 ccm, 136 PS, Estate, Petrol , ENG: M 111.945, M 111.941
C 200 T Kompressor (202.087) Rear-Wheel Drive 09/2000-03/2001, 120 kw, 1998 ccm, 163 PS, Estate, Petrol , ENG: M 111.956
CLK 200 Kompressor (208.345) Rear-Wheel Drive 06/1997-06/2000, 141 kw, 1998 ccm, 192 PS, Coupe, Petrol , ENG: M 111.944
CLK 230 Kompressor (208.347) Rear-Wheel Drive 06/1997-06/2000, 142 kw, 2295 ccm, 193 PS, Coupe, Petrol , ENG: M 111.973, M 111.975
CLK 200 Kompressor (208.344) Rear-Wheel Drive 06/2000-06/2002, 120 kw, 1998 ccm, 163 PS, Coupe, Petrol , ENG: M 111.956
CLK 200 (208.335) Rear-Wheel Drive 06/1997-06/2002, 100 kw, 1998 ccm, 136 PS, Coupe, Petrol , ENG: M 111.945
CLK 230 Kompressor (208.348) Rear-Wheel Drive 06/2000-06/2002, 145 kw, 2295 ccm, 197 PS, Coupe, Petrol , ENG: M 111.982
CLK 200 (208.435) Rear-Wheel Drive 03/1998-03/2002, 100 kw, 1998 ccm, 136 PS, Convertible, Petrol , ENG: M 111.945, M 111.941
CLK 200 Kompressor (208.444) Rear-Wheel Drive 06/2000-03/2002, 120 kw, 1998 ccm, 163 PS, Convertible, Petrol , ENG: M 111.956
CLK 230 Kompressor (208.447) Rear-Wheel Drive 03/1998-06/2000, 142 kw, 2295 ccm, 193 PS, Convertible, Petrol , ENG: M 111.973, M 111.975
CLK 200 Kompressor (208.445) Rear-Wheel Drive 03/1998-06/2000, 141 kw, 1998 ccm, 192 PS, Convertible, Petrol , ENG: M 111.944
CLK 230 Kompressor (208.448) Rear-Wheel Drive 06/2000-03/2002, 145 kw, 2295 ccm, 197 PS, Convertible, Petrol , ENG: M 111.982
E 220 (124.022) Rear-Wheel Drive 06/1993-06/1995, 110 kw, 2199 ccm, 150 PS, Saloon, Petrol , ENG: M 111.960
E 200 (124.019) Rear-Wheel Drive 06/1993-06/1995, 100 kw, 1998 ccm, 136 PS, Saloon, Petrol , ENG: M 111.940
E 200 (210.035) Rear-Wheel Drive 06/1995-08/2000, 100 kw, 1998 ccm, 136 PS, Saloon, Petrol , ENG: M 111.942
E 200 Kompressor (210.048) Rear-Wheel Drive 08/2000-03/2002, 120 kw, 1998 ccm, 163 PS, Saloon, Petrol , ENG: M 111.957
E 200 Kompressor (210.045) Rear-Wheel Drive 06/1997-03/2002, 137 kw, 1998 ccm, 186 PS, Saloon, Petrol , ENG: M 111.947
E 220 (124.062) Rear-Wheel Drive 06/1993-03/1998, 110 kw, 2199 ccm, 150 PS, Convertible, Petrol , ENG: M 111.960
E 200 (124.060) Rear-Wheel Drive 06/1993-03/1998, 100 kw, 1998 ccm, 136 PS, Convertible, Petrol , ENG: M 111.940
E 220 (124.042) Rear-Wheel Drive 06/1993-06/1997, 110 kw, 2199 ccm, 150 PS, Coupe, Petrol , ENG: M 111.960
E 200 (124.040) Rear-Wheel Drive 06/1993-06/1997, 100 kw, 1998 ccm, 136 PS, Coupe, Petrol , ENG: M 111.940
E 220 T (124.082) Rear-Wheel Drive 06/1993-06/1996, 110 kw, 2199 ccm, 150 PS, Estate, Petrol , ENG: M 111.960
E 200 T (124.079) Rear-Wheel Drive 06/1993-06/1996, 100 kw, 1998 ccm, 136 PS, Estate, Petrol , ENG: M 111.940
E 200 T (210.235) Rear-Wheel Drive 06/1996-08/2000, 100 kw, 1998 ccm, 136 PS, Estate, Petrol , ENG: M 111.942
E 200 T Kompressor (210.245) Rear-Wheel Drive 06/1997-03/2003, 137 kw, 1998 ccm, 186 PS, Estate, Petrol , ENG: M 111.947
E 200 T Kompressor (210.248) Rear-Wheel Drive 08/2000-03/2003, 120 kw, 1998 ccm, 163 PS, Estate, Petrol , ENG: M 111.957
ML 230 (163.136) 4WD 02/1998-06/2005, 110 kw, 2295 ccm, 150 PS, SUV, Petrol , ENG: M 111.977
200 Kompressor (170.445) Rear-Wheel Drive 10/1996-03/2000, 141 kw, 1998 ccm, 192 PS, Convertible, Petrol , ENG: M 111.943
200 (170.435) Rear-Wheel Drive 09/1996-03/2000, 100 kw, 1998 ccm, 136 PS, Convertible, Petrol , ENG: M 111.946
200 Kompressor (170.444) Rear-Wheel Drive 03/2000-04/2004, 120 kw, 1998 ccm, 163 PS, Convertible, Petrol , ENG: M 111.958
230 Kompressor (170.447) Rear-Wheel Drive 09/1996-03/2000, 142 kw, 2295 ccm, 193 PS, Convertible, Petrol , ENG: M 111.973
230 Kompressor (170.449) Rear-Wheel Drive 03/2000-04/2004, 145 kw, 2295 ccm, 197 PS, Convertible, Petrol , ENG: M 111.983
214 (902.071, 902.072, 902.671, 902.672) Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Bus, Petrol , ENG: M 111.979, M 111.984
214 NGT (902.072, 902.671, 902.672) Rear-Wheel Drive 02/1995-05/2006, 95 kw, 2295 ccm, 129 PS, Bus, Petrol , ENG: M 111.979, M 111.984
214 NGT (902.012, 902.611, 902.612) Rear-Wheel Drive 02/1995-05/2006, 95 kw, 2295 ccm, 129 PS, Platform/Chassis, Petrol , ENG: M 111.979, M 111.984
214 (902.011, 902.012, 902.611, 902.612) Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: M 111.979, M 111.984
214 NGT (901.661, 902.061, 902.062, 902.661, 902.662) Rear-Wheel Drive 02/1995-05/2006, 95 kw, 2295 ccm, 129 PS, Van, Petrol , ENG: M 111.979, M 111.984
214 (901.061, 901.062, 901.661, 901.662, 902.061,... Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: M 111.979, M 111.984
314 4x4 (903.672, 903.673) 4WD 08/2002-05/2006, 105 kw, 2295 ccm, 143 PS, Bus, Petrol , ENG: M 111.984
314 (903.071, 903.072, 903.073, 903.671, 903.672,... Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Bus, Petrol , ENG: M 111.979, M 111.984
314 4x4 (903.612, 903.613, 903.622) 4WD 08/2002-05/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: M 111.984
314 (903.011, 903.012, 903.013, 903.022, 903.612,... Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: M 111.979, M 111.984
314 (903.061, 903.062, 903.063, 903.661, 903.662) Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: M 111.979, M 111.984
314 4x4 (903.661, 903.662, 903.663) 4WD 08/2002-05/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: M 111.984
414 (904.662, 904.663) Rear-Wheel Drive 02/1996-05/2006, 105 kw, 2295 ccm, 143 PS, Bus, Petrol , ENG: M 111.979, M 111.984
414 4x4 (904.012, 904.013, 904.612, 904.613) 4WD 05/1997-05/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: M 111.979, M 111.984
414 (904.012, 904.013, 904.612, 904.613) Rear-Wheel Drive 02/1995-05/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: M 111.979, M 111.984
414 4x4 (904.062, 904.063, 904.662, 904.663) 4WD 05/1997-05/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: M 111.979, M 111.984
414 (904.062, 904.063, 904.662, 904.663) Rear-Wheel Drive 02/1996-05/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: M 111.979, M 111.984
2.0 E85 Turbo (35) 4WD 09/2010-11/2011, 162 kw, 1998 ccm, 220 PS, Estate, Petrol , ENG: A 20 NFT
3.6 Carrera 4 4WD 08/1995-09/1997, 210 kw, 3600 ccm, 286 PS, Convertible, Petrol , ENG: M 64.21, M 64.23
3.6 Carrera Rear-Wheel Drive 08/1995-09/1997, 210 kw, 3600 ccm, 286 PS, Convertible, Petrol , ENG: M 64.24, M 64.21, M 64.22, M 64.23
3.4 Carrera Rear-Wheel Drive 02/1998-09/2001, 221 kw, 3387 ccm, 301 PS, Convertible, Petrol , ENG: M 96.01, M 96.04
2.5 dCi 120 4WD 10/2001-, 84 kw, 2463 ccm, 115 PS, Bus, Diesel , ENG: G9U 724, G9U 754, G9U 720, G9U 750
2.0 TFSI 4WD 10/2005-02/2013, 147 kw, 1984 ccm, 200 PS, Estate, Petrol , ENG: BWA, CCZA
2.3 Rear-Wheel Drive 05/1996-07/2006, 105 kw, 2295 ccm, 143 PS, Bus, Petrol , ENG: AGL
2.3 Rear-Wheel Drive 05/1996-07/2006, 105 kw, 2295 ccm, 143 PS, Van, Petrol , ENG: AGL
2.3 Rear-Wheel Drive 06/1996-07/2006, 105 kw, 2295 ccm, 143 PS, Platform/Chassis, Petrol , ENG: AGL
2.4 i Rear-Wheel Drive 03/1994-06/1996, 69 kw, 2383 ccm, 94 PS, Platform/Chassis, Petrol , ENG: 1E
- Berry12 Nov, 2025elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
- Edward & Susan20 OCT, 2025These 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.
- Charlie27 AUG, 2025eAuto 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 Taylor12 May, 2025Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
- Helena Garcia2 January, 2025The 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.
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