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Opti-Lube Diesel Fuel Additives

4.9

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Location details

suite b 1646 W Business Parke Drive, Orem, UT, 84058, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 5:00 p.m.
Tue9:00 a.m. to 5:00 p.m.
Wed9:00 a.m. to 5:00 p.m.
Thu9:00 a.m. to 5:00 p.m.
Fri9:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
4.9116 reviews
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Randal Motley's profile image
Randal Motley 
6 years ago

I use the xl in every tank. It really made the injectors in my 1995 7.3l powerstroke quiet down. I also have a 2015 ram with 6.7l cummins that I use it in as well. A lot of people say they don't see the point in using these additives, but I have experienced first hand what this new and improved diesel can do to older vehicle pump seals. And yes, our newer trucks are designed with this ULSD in mind, but a little extra lube never hurt anyone and at the mix ratio, it really doesn't hurt your wallet either. I currently am trying... read more

Jim Miller's profile image
Jim Miller 
7 years ago

The best diesel fuel additive, proven by lab tests and RESULTS MPG improved, engines are quieter, never an injector failure on any of our Duramax engines. 

Peter M Lagoni II's profile image
Peter M Lagoni II 
7 years ago

This is a must have for LB7 Duramax owners!! I noticed a 1-2 mpg increase. But the real seller was how much it quieted injector knock! The truck used to have a slight haze at idle on first start up and some fuel pressure regulator surge. But now both are completely gone and have stayed away!! Unreal. 

Tray Lange's profile image
Tray Lange 
7 years ago
Monica Larkin's profile image
Monica Larkin 
7 years ago
Jeffrey Cox's profile image
Jeffrey Cox 
7 years ago
Chris Krebs's profile image
Chris Krebs 
7 years ago
Chris Deimel's profile image
Chris Deimel 
8 years ago

Been using XPD in my small Kubota tractor for years and no fuel problems means it's probably doing it's job, but a little PO'd at the recent SAVE5 promo they sent via e-mail. No restrictions stated on minimum purchase etc., so tried to use it to buy another quart bottle (which lasts about a year for my small tractor). Web site wouldn't take the code unless I ordered a 5 gallon pail or more. Emailed them and couldn't get an explanation of why the code didn't work until I figured it out myself. Deceptive dealing on their part.... read more

Jamie Cox's profile image
Jamie Cox 
8 years ago

Thank you for fixing my 7.3 powerstroke! My truck's idle has fluctuated up and down for years. I have replaced injectors, HPOP and changed tuners multiple times, but everytime the idle issue was still there. I received my Summer+ treatment yesterday and on my first tank the idle issue was gone! I will definitely be ordering more and trying the other blends of treatment also. Thank you for a great product! 

Frequently asked questions about Opti-Lube Diesel Fuel Additives

How is Opti-Lube Diesel Fuel Additives rated?

Opti-Lube Diesel Fuel Additives has a 4.9 star rating with 116 reviews. 

When is Opti-Lube Diesel Fuel Additives open?

Opti-Lube Diesel Fuel Additives is closed now. It will open on Monday at 9:00 a.m. 

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