

⚡ Unlock peak engine power and never settle for sputter!
Berryman B-12 Chemtool is a professional-grade 15 oz fuel system cleaner designed to rapidly dissolve gum, varnish, and fuel residues across the entire fuel system. Safe for catalytic converters and oxygen sensors, it boosts engine compression, reduces maintenance costs, and extends the life of spark plugs and injectors. Trusted by mechanics and enthusiasts alike, this pack of 12 ensures you’re always ready to maintain peak performance in vehicles and small engines.
| ASIN | B00DSMFJGC |
| ASIN | B00DSMFJGC |
| Best Sellers Rank | #15,048 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Fuel Cleaning Tools |
| Brand | BERRYMAN SINCE 1918 |
| Customer Reviews | 4.8 4.8 out of 5 stars (350) |
| Customer reviews | 4.8 4.8 out of 5 stars (350) |
| Date First Available | 16 April 2025 |
| Format | Liquid |
| Is Discontinued By Manufacturer | No |
| Item model number | 0116-12PK |
| Manufacturer | Berryman Products |
| Product Dimensions | 27.94 x 21.29 x 20.8 cm; 425.24 g |
| Product Name | Fuel Injector Cleaner |
| Weight | 13 Pounds |
1**F
A+++++ My go to carburetor and fuel injector cleaner. When my vehicles and small engine lawn equipment isn't running at full potential this is the product I run to immediately and after a full tank most problems cease to exist. Since I've gotten wise and stop using Ethanol gasoline (ask any certified small engine mechanic) in my small engine lawn equipment I don't have many issues anymore, but at the end of the season I still run about a half cup of this amazing B12 Cleaner through the system before long term storage using Non Ethanol gasoline. For my vehicles when acceleration issues show up I put an entire can with about 1/2 - 1/4 tank and go on a long high speed/ high RPM trip to completely empty the tank followed by a full refuel and it always stops the sputtering, slow acceleration, and even tiny backfires that show up periodically.. Definitely a High Grade cleaner but be careful this stuff will melt regular cheap plastics but won't harm high grade polymers. If you have a Rifled Shotgun barrel and use Sabot Slugs add a few CC's to your favorite bore cleaner and watch the sabot residue disappear just be sure to completely dry out your barrel and thoroughly coat it with your favorite oil or gun grease before storage. B12 has the best value for the money, and ease of use with multiple uses around the homestead I highly recommend everyone keep a few cans handy, it's truly an ESSENTIAL MUST HAVE PRODUCT... Thank you for supporting America and it's Armed Forces!!
Z**S
Great price for a great product
T**G
This product gives me better gas mileage and performance than higher priced equivalents.
J**D
Best injector cleaner I’ve found and very reasonable priced.
M**D
Use this stuff in everything. Even used on piston soak on Audi and resolved my oil burning issue.
Trustpilot
2 weeks ago
1 month ago