Our #1 Gumout pick
Top-ranked Fuel Injector Cleaner in our Gumout lineup, scored independently on effectiveness, health, and environmental impact. No paid placements.
As an Amazon Associate I earn from qualifying purchases. Full disclosure
Gumout is one of the oldest names in carburetor and fuel-system cleaning, dating to 1928. The brand sits in ITW Global Brands' automotive aftermarket portfolio alongside Permatex and other shop chemicals. The flagship Carb/Choke & Parts Cleaner aerosol (model 800002231 / 800002230) is a category staple for small-engine and classic-vehicle maintenance — acetone-toluene solvent system, DANGER signal word, 50-state VOC compliant.
Gumout's product range covers in-tank fuel-system cleaners (All-In-One, Multi-System, Regane), aerosol parts cleaners (Carb/Choke, Small Engine variant, Professional Formula Jet Spray), and aerosol intake/throttle-body cleaners. SDS documents for the consumer aerosol line are publicly hosted at gumout.com/garage/safety-data-sheets-sds/.
Affiliate disclosure: CarCareTruth is reader-supported. As an Amazon Associate I earn from qualifying purchases. We may also earn commissions from other retailers linked on this page, at no extra cost to you. Affiliate revenue never influences our scores or rankings. Full disclosure
As an Amazon Associate I earn from qualifying purchases. Full disclosure
See where Gumout lands in our ranked buying guides.