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Mobil Delvac 1 5W-40 is a fully synthetic high performance heavy duty diesel engine oil that helps towards long engine life while providing long drain capability for modern diesel engines operating in severe applications.
www.mobil.com
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Mobil Delvac 1™ ESP 5W-40 is an advanced synthetic heavy duty diesel engine oil that helps extend engine life while providing long drain capability¹ and potential fuel economy² for modern and latest diesel engine technology operating in severe applications.
www.mobil.com
Hi everyone, what is the difference between these two oils?
One I see is ACEA E4 / E7 while the other is E9.
What is the difference between E4/E7 and E9 oils?
I understand this is a very technical question