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🛢️ Keep your diesel running smoother, quieter, and cleaner—because your engine deserves the XL treatment.
Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive is a concentrated 8oz formula designed for ultra-low sulfur diesel engines. It enhances fuel lubricity, cleans injectors and pumps, and supports consistent engine operation across all seasons. Ideal for passenger vehicles, pickups, and heavy-duty diesel applications, it ensures reliable fuel system maintenance with minimal dosage.
| ASIN | B01J2CRS1U |
| Best Sellers Rank | #755,456 in Automotive ( See Top 100 in Automotive ) #246 in Diesel Additives |
| Brand | Opti-Lube |
| Brand Name | Opti-Lube |
| Container Type | Bottle |
| Customer Reviews | 4.3 out of 5 stars 11 Reviews |
| Included Components | Opti-Lube XL 8oz Bottles |
| Item Form | Liquid |
| Item Type Name | Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive |
| Item Weight | 3 pounds |
| Liquid Volume | 8 |
| Manufacturer | Opti-Lube |
| Model Number | OPT-XL8 |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | OPT-XL8 |
| Recommended Uses For Product | Automotive |
| UPC | 853001004399 |
| Unit Count | 48 Fluid Ounces |
M**.
Great stuff
Works well. Used to do a quart of 2 stroke per fill up. Now I just use this stuff. Keeps engine nice and quiet like the 2 stroke oil did Good stuff. (06 5.9 cummins w/345k)
G**A
I love this.
I love this. Actually makes my Mercedes RV run quieter. No more injector difficulties on cold mornings either. I now buy the gallon, and refill these to carry along.
J**M
Good insurance
This brand was rated high in the diesel forums. While I can't tell if how well it works, it is good insurance for my diesel engines. I have a 50 gallon tank to fill my diesel tractors and engines; I just pour suggested amount before filling my tank. I also add to my diesel truck tanks before fillup.
S**Y
Lift pump seems happier as well as slightly quieter injectors
Ran two tanks full through, definitely has lubricating properties. Lift pump seems happier as well as slightly quieter injectors.Will be using again!
Trustpilot
2 weeks ago
1 month ago