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Below are the AMSOIL oil and filter recommendations for your 1993 Subaru IMPREZA with the 1.8L 4-Cylinder.
1993 SUBARU IMPREZA 1.8L 4-CYLINDER ENGINE CODE EJ18S
The 1993 Subaru IMPREZA with the 1.8L EJ18S boxer engine is a straightforward, honest car that rewards consistent maintenance. Subaru's flat-four design has powered everything from commuter sedans to rally champions, and the EJ18S is a solid member of that family.
These engines respond well to full synthetic oil. The valve train is driven by the camshafts at the top of the engine, far from the oil pump, which means clean oil pressure matters for keeping things quiet and consistent. AMSOIL's uniform synthetic base oils flow well cold and hold up under heat.
Run the AMSOIL Signature Series in the correct viscosity, change it on schedule, and the EJ18S will keep pulling strong for a very long time.
The 1993 Subaru IMPREZA 1.8L 4-Cylinder requires 10W-30 full synthetic motor oil. Capacity is 4.2 quarts including filter.
Here is what you need:
You need 4.2 quarts of AMSOIL Signature Series 10W-30 100% Synthetic Motor Oil ATMQT-EA which you can learn more about here: AMSOIL synthetic motor oil 10W-30
You need the AMSOIL nano fiber long life oil filter for your IMPREZA which is: EA15K12
Drain Plug Torque Spec: 33 ft/lbs - always replace the drain plug gasket when changing oil.
To learn how to get wholesale dealer pricing go to: Where can I buy AMSOIL.
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