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Look, I have no idea if they actually help the engine, but I love the concept and I am too lazy to do oil analysis to find out more. One real benefit was when my oil sending gauge showed zero as I was climbing a grade with a 41' 5th wheel, I was able to pull over and remove the oil fill cap to see the oil still pumping which saved our trip. If that's not making sense, their kit for these filters has the return line going into the fill cap, hence the oil stream.
By 
Griff, 
a 
Verified Buyer 
from 
Washington  
on 
October 15, 2020
Thanks so much for this product. Installation is easy. More importantly is my oil looks so much better now after only a few thousand miles.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
😄Diesel Driver😄
By 
Perryjoe, 
a 
Verified Buyer 
from 
East TN 
on 
October 15, 2020
I put the Dual Filter System on and switched to the top Quality Oil and Filters on my GMC gas powered 2500 pickup in 2000 when the truck was new, and purchased to tow a 34’ Airstream Travel Trailer. By 2004 I had put just over 100,000 miles on the truck with about 90% of that towing the trailer. Changed the oil one time each year and the filters two times each year and had no problems at all.
I purchased a 2004 GMC Duramax Diesel 2500, again for towing the Airstream. I installed the Dual Filter System After breaking.. I put 125,000 miles on the truck mostly towing the Airstream, then sold it to a friend that told me yesterday he had 212,000 miles on it now using the AMSOIL and Filters I supplied him.
I purchased a 2015 Chevy Duramax 3500 the day I sold the above truck. I installed the dual filter system on the new truck, and took off to Alaska for the second time towing the Airstream trailer. I now have 63,00 miles on this truck with no problems. I still change oil and filters on the one time per year for oil and twice per year for filters.
I am a very Happy AMSOIL Customer!!!
These are awesome filters. They allowed me to extend my drain intervals (using oil sample kit) to over 35,000 on my duramax diesel in my pick-up. The Lab kept telling me to go another 5000 miles after each test, once I got to this point, I decided I don't drive that many miles a year. I now just change oil before our long trip each year( towing firth wheel with a flatbed behind that.
By 
Scott F., 
a 
Verified Buyer 
on 
September 16, 2020
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
EaBp100
By 
James, 
a 
Verified Buyer 
on 
October 28, 2019
Makes a huge difference in keeping your Diesel engines oil cleaner.
Was this review helpful?
5 star rating
Yes I will one more soon. Thanks
By 
Eugene, 
a 
Verified Buyer 
on 
October 21, 2019
Need better packing I have a nick on the oil filter ring and I have pics of it new for the box thanks
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5 star rating
Fast shipping!!Will definitely buy again
By 
Lorenzo, 
a 
Verified Buyer 
on 
October 19, 2019
Filter is great. Highly recommended By my mechanic
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5 star rating
Best filtration system
By 
Gardell, 
a 
Verified Buyer 
on 
October 14, 2019
Easy to install and very happy with the results. Better filtration is a big deal to me!
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5 star rating
I would recommend
By 
James, 
a 
Verified Buyer 
on 
July 14, 2019
Works very good .. Easy install
Was this review helpful?
5 star rating
I will keep using as long as I own a diesel truck.
By 
Dan the mechanic, 
a 
Verified Buyer 
from 
Paso Robles 
on 
May 17, 2019
After 3500 miles on my F-350 dually 6.0 truck my oil still looks fairly clear and like I just changed it. Normally it would look black in a couple hundred miles. Filter works for sure.
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