ATE 03.3508-4903.3 Brake fluid reservoir
- Item number: 03.3508-4903.3
- Our price: £36.99
- Manufacturer: ATE
- EAN number: 4006633105163
- Condition: New
price incl. 20% VAT
excl. delivery costs
Sold by AUTODOC
OE reference number(s) comparable with the original spare part number:
Brake fluid reservoir ATE 03.3508-4903.3 : Review and evaluation
2 reviews
Published at m.autodoc.co.uk
It is the correct part for machine and very good price.
Published at autodoc.co.uk
It meets my requirements
Have you ever bought this product from AUTODOC: ATE Brake fluid reservoir 03.3508-4903.3?
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Questions and answers
R.L.: Could this bottle be used as a coolant expansion bottle on a marine diesel engine? Does the lid have a pressure cap? My boat’s engines have little plastic bottles to catch any expanded coolant water but can’t siphon back as the bottle is top entry & the hose doesn’t go all the way in. These bottom entry bottles look like they’d do the trick. Many thanks!
23.07.2025
www.autodoc.co.uk:
Dear customer,
Thank you for your question.
Expansion Tank, brake fluid 03.3508-4903.3 ATE is not recommended to use as a Marine Diesel Coolant Expansion Tank. It is an Expansion Tank (Brake Fluid) and it is designed to hold brake fluid, not coolant. Here's why:
1) Materials are not compatible:
- Brake fluid and coolant (antifreeze) have different chemical compositions. Plastic used for brake reservoirs is not always resistant to heat, pressure, and coolant properties.
2) It is not designed for pressure:
- The cooling system of a marine diesel engine can operate under pressure (usually 1 bar or more) and this tank is not designed to withstand such loads.
3) Capacity and strength:
- The capacity and shape of the tank may be too small or unsuitable for the marine diesel engine. This may result in overheating or leaks.
Expansion Tank, brake fluid 03.3508-4903.3 ATE has a hermetically sealed cap as required for the brake system: brake fluid is hygroscopic and should not come into contact with air. However, this seal is not designed to release excess pressure like radiator caps or coolant reservoirs and there is no pressure valve, as required in cooling systems.
Feel free to contact us by chat.
Best regards,
the autodoc.co.uk team
ATE 03.3508-4903.3: popular articles
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