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🔧 Keep your diesel running clean, lean, and mean with Rislone DEF Crystal Clean™!
Rislone DEF Crystal Clean™ is a specialized 11.8 oz cleaner designed to dissolve harmful crystallization deposits in diesel SCR emissions systems. Safe for all DEF/AdBlue tanks and compatible with major diesel exhaust fluids, it prevents system clogging, restores engine power, and maintains fuel efficiency without voiding vehicle warranties. Ideal for diesel vehicles prone to slow-speed, low-load driving conditions, it should be used every 5,000 miles for optimal performance.
| ASIN | B0CRSY78LR |
| Brand | Rislone |
| Customer Reviews | 4.5 4.5 out of 5 stars (459) |
| Date First Available | 15 January 2025 |
| Item Weight | 431 g |
| Item model number | 4784 |
| Manufacturer | Bar's Products |
| Manufacturer Part Number | 4784 |
| Model | Diesel DEF & SCR Emissions |
| Package Dimensions | 22.91 x 7.01 x 6.91 cm; 431 g |
| Special Features | Automotive |
T**Y
We have a 2016 Ram 1500 Ecodiesel and prior to using this product I was eating up half a tank of DEF every month. I ran back to back bottles and started using the DEF at our local Fry’s store. The DEF consumption went down dramatically. Folks, this stuff really works. We are having to fill the DEF every two months now. Fantastic product and works extremely well.
J**D
Had crusting in DEF system on truck and this helped reduce it without taking it to a dealer to get it fixed.
A**R
As always, I'm skeptical when it comes to product performance—but this one? Amazing. I never owned a diesel until I bought my '21 GMC HD2500 Duramax. I love it, but man, diesel engines demand preventive maintenance. You can't wait for things to break—you’ve got to stay ahead of it with products that help reduce or even prevent issues. This particular product is excellent. Since the day I bought my truck, I’ve had nonstop problems with the DEF tank sensors sticking. Sometimes it would show full when I knew it wasn’t, and other times it claimed to be half empty right after a fresh fill-up. Totally unreliable. And what did the dealer say? “It’s inadvertent.” That word should be banned—it’s just an excuse to ignore a real problem. Let me tell you—this product works. Period. And it worked fast, too. Absolutely amazing.
4**L
As advertised
J**4
This stuff actually works. My 22 Ram had nothing but issues with the Def system, this stuff clears the codes multiple times
TrustPilot
1 周前
5天前