Castrol Classic Etha- Guard X 250 Ml - 1773A
Stabilises E5 & E10 ethanol petrol. Fully compatible with catalytic converters, Etha-Guard Plus offers the best protection against ethanol damage for drivers of younger and modern classics. Etha-Guard is an additive that counteracts ethanol’s hygroscopic nature, preventing moisture and subsequent acidity in your fuel system. Etha-Guard protects both in use and in storage, stabilising the fuel to prevent moisture absorption and separation. All products in the Valvemaster Fuel Additive range contain Etha-Guard.
Classic Etha-Guard Plus is compatible with catalytic converters, so can be used by owners of younger and modern classics who do not require valve seat protection.
FEATURES
- Contains friction modifier for enhanched performance and economy
- Prevents damage to fibreglass fuel tanks
- Protects in use and in storage
- Keeps fuel system clean
- Prevents acidity in ethanol fuel
- Prevents corrosion in fuel system
- For vehicles with or without a catlytic converter
- Enables use of E5, E10, E15 petrol
INFO
- 250ml bottle treats 250 litres of fuel
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Castrol Classic Etha- Guard X 250 Ml - 1773A
Castrol Classic Etha- Guard X 250 Ml - 1773A
Stabilises E5 & E10 ethanol petrol. Fully compatible with catalytic converters, Etha-Guard Plus offers the best protection against ethanol damage for drivers of younger and modern classics. Etha-Guard is an additive that counteracts ethanol’s hygroscopic nature, preventing moisture and subsequent acidity in your fuel system. Etha-Guard protects both in use and in storage, stabilising the fuel to prevent moisture absorption and separation. All products in the Valvemaster Fuel Additive range contain Etha-Guard.
Classic Etha-Guard Plus is compatible with catalytic converters, so can be used by owners of younger and modern classics who do not require valve seat protection.
FEATURES
- Contains friction modifier for enhanched performance and economy
- Prevents damage to fibreglass fuel tanks
- Protects in use and in storage
- Keeps fuel system clean
- Prevents acidity in ethanol fuel
- Prevents corrosion in fuel system
- For vehicles with or without a catlytic converter
- Enables use of E5, E10, E15 petrol
INFO
- 250ml bottle treats 250 litres of fuel
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Stabilises E5 & E10 ethanol petrol. Fully compatible with catalytic converters, Etha-Guard Plus offers the best protection against ethanol damage for drivers of younger and modern classics. Etha-Guard is an additive that counteracts ethanol’s hygroscopic nature, preventing moisture and subsequent acidity in your fuel system. Etha-Guard protects both in use and in storage, stabilising the fuel to prevent moisture absorption and separation. All products in the Valvemaster Fuel Additive range contain Etha-Guard.
Classic Etha-Guard Plus is compatible with catalytic converters, so can be used by owners of younger and modern classics who do not require valve seat protection.
FEATURES
- Contains friction modifier for enhanched performance and economy
- Prevents damage to fibreglass fuel tanks
- Protects in use and in storage
- Keeps fuel system clean
- Prevents acidity in ethanol fuel
- Prevents corrosion in fuel system
- For vehicles with or without a catlytic converter
- Enables use of E5, E10, E15 petrol
INFO
- 250ml bottle treats 250 litres of fuel
















