Description
Repair, installation, and use context
Evaluate Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner – 15 oz., (Pack of 12) in the context of a Fuel Cleaning Tools repair, installation, or use case. The source application detail is: Regular use ensures higher compression, fewer repairs, lower operating costs, and increased spark plug and injector life.
Plan access, tools, and surrounding components around this supporting source detail: Use on the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with HEST. Confirm this final recorded point before work begins: Catalytic converter and oxygen sensor-safe.
Job-planning boundary
The page preserves the supplied facts but does not infer an unlisted vehicle, installation method, or repair result.
Complete source-backed product details
Quickly disperses moisture and dissolves gum, varnish, and other fuel residues from the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with H.E.S.T. Regular use ensures higher compression, fewer repairs, lower operating costs, and increased spark plug and injector life. Available in both consumer and commercial sizes. Catalytic converter and oxygen sensor-safe.
Source product highlights
- Quickly disperses moisture and dissolves gum, varnish, and other fuel residues
- Use on the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with HEST
- Ensures higher compression, fewer repairs, lower operating costs and increased spark plug and injector life
- Catalytic converter and oxygen sensor-safe




MWilcox –
You know how they say you wish you had the old stuff the old stuff work better it was pure. This is it! This stuff has been around for 50 60 years or more and it works like a charm and it’s cheaper than the so-called name brand and it works better because it’s more concentrate. I used it in my cars I use it in my small engines. I’m going to try it in a chain saw that has been sitting for years with gas in it I’m 100% positive it will clean out the carb an it will will run. I’ll have to up date that here.
Kevin Rathke –
Great product that helps clean out fuel system. This results in increased gas mileage & helped smooth rough idle on one car!
Tom G –
I’m very happy with the product as I am seeing two miles more per gallon and crisper performance in my 1998 Ford Ranger extended cap with a 3.0L V8. I also notice less dieseling when in a high gear at low speed under acceleration. I’ve ordered another case to maintain the performance.
Jeffrey W. –
I add this to my fuel every refill. I never have gummed carbs… ever.
Daniel P. –
Shipped fast. Great price. Good product. Good seller. Totally satisfied.
Sandy1248 –
We’ve been using Berrymans B12 Chemtool for years and have never had to have our injectors cleaned. We give it to our kids for Christmas!
Jeff –
Product arrived on time and well packaged. People who know no that Berryman’s is a great product and buying in bulk is a great way to save a couple bucks over time especially if have multiple cars.
Greek Lady –
Keep your fuel system clean, and your vehicle will run much better, for longer, without lots of trouble. I really do recommend this product over all the others I’ve tried.