QUANTUM PLATINUM 5W40 FULLY SYNTHETIC ENGINE OIL in jeep grand cherokee
Seasoned Member
Joined: Jun 2011
Posts: 319
Likes: 3
From: Key Peninsula, WA
Year: 1997
Model: Grand Cherokee
Engine: 4.0
Hi Melvyn and Welcome to the Forum.
In my opinion, synthetic oil is fine for your diesel engine. As for that particular brand of oil, I'm thinking it is probably a rip off and overpriced with a goofy name like Quantum Platinum. Neither of those words have anything to do with oil and lubrication.
Stick with a known brand like Shell, Mobil or Chevron. They all make good diesel rated synthetics.
In my opinion, synthetic oil is fine for your diesel engine. As for that particular brand of oil, I'm thinking it is probably a rip off and overpriced with a goofy name like Quantum Platinum. Neither of those words have anything to do with oil and lubrication.
Stick with a known brand like Shell, Mobil or Chevron. They all make good diesel rated synthetics.
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