Engine Thermostat HELLA 8MT 354 778-401 OE Ref 51064020048

Key Specification:
  • COOLANT: 7
  • EAN: 4082300880595
  • OEM Reference number: 609731
  • Opening Temperature [C]: 83
  • Other Info: Thermostat
Sale
£ 28
£ 23.33 excl. VAT
Out of stock
SKU:HELLA 8MT 354 778-401
BrandHELLA
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COOLANT
7
EAN
4082300880595
OEM Reference number
609731
Opening Temperature [C]
83
Other Info
Thermostat
PURPOSE GROUP
Coolant
Supplementary Info
with gaskets/seals

Engine Thermostat OE Ref 51064020048 – HELLA – OEM 609731

This Engine Thermostat OE Ref 51064020048 is supplied by HELLA as a replacement for OEM reference 609731. It is intended for use in selected MERCEDES-BENZ vehicles and designed to meet original equipment fit and functional requirements.

The part is identified by manufacturer reference 8MT 354 778-401 and EAN 4082300880595, allowing accurate identification and compatibility verification before 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 verify compatibility by using the vehicle registration lookup tool or by matching the OEM reference number before ordering.

This part is compatible with selected MERCEDES-BENZ 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.

  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. 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.
  3. 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.
  4. 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.
  5. 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.