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2021 LT4 Oil and Oil filters


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Gearguy911

Just as an FYI from my digging and finding. If you have a 2021 Monsoon LT4:

Oil:

Mobil 1 ESP 0W-40 (this is the only dexros Gen 2 oil I could find, not many places stock it, you will need to order it from somewhere)

Oil Filter (shorter newer version)

Wix 51212

 

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I just went over to the GM/Cadillac dealer and picked up the 5w30 dexos gen 2 oil. It is the same as for the 2015 corvette ZO6. Boat dealer should have filters.

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Gearguy911
19 hours ago, Idamon said:

I just went over to the GM/Cadillac dealer and picked up the 5w30 dexos gen 2 oil. It is the same as for the 2015 corvette ZO6. Boat dealer should have filters.

Malibu says 0w-40 dexros in the LT4, 5w-30 for the m5/6

 

 

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1 hour ago, Gearguy911 said:

Malibu says 0w-40 dexros in the LT4, 5w-30 for the m5/6

 

 

I am not sure where you are seeing that... https://www.malibuboats.com/owner-manuals. Download manual for 2020 M240. Section 4-5ish. Says use 5w30. There is also a sticker on your oil fill cap that says 5w30.

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Gearguy911
23 hours ago, Idamon said:

I am not sure where you are seeing that... https://www.malibuboats.com/owner-manuals. Download manual for 2020 M240. Section 4-5ish. Says use 5w30. There is also a sticker on your oil fill cap that says 5w30.

2021 manual 

My lt4 says 0w-40 on the cap

 

 

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27 minutes ago, Gearguy911 said:

2021 manual 

My lt4 says 0w-40 on the cap

 

 

Maybe there is a difference based on lattitude. Ide expect your oil might be better in northern climates and mine better where it stays warm. Where you at?

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1 hour ago, Idamon said:

 

Maybe there is a difference based on lattitude. Ide expect your oil might be better in northern climates and mine better where it stays warm. Where you at?

Much more likely they made a running change. Happens all the time. Pcm just did it a few years ago too. 

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