KBS Auto Tank Sealer Kit

3SX/ KBS Auto Tank Sealer System
SKU: KBS05xxx

Complete Assembly


3SX / KBS Auto & Cycle Fuel Tank Sealer Systems

Got a Rusty Fuel Tank? Fix it now!!

KBS Tank Sealer

The KBS Fuel Tank Sealer Kit from 3SX contains everything you need to seal a tank of up to 25 gallons.

Gold Standard Fuel Tank Sealer is a superior, single-component, ready-to-use fuel tank sealer.

Gold Standard Fuel Tank Sealer is specifically formulated to stop rust and corrosion by forming a tough, fuel impervious coating while simultaneously sealing small pinholes and weld seams.

This kit contains our KBS Klean (a water-based, heavy-duty, cleaner/degreaser) and RustBlast (a powerful rust remover/metal etch) to obtain a permanently sealed, rust-free fuel tank. These KBS prep products are formulated to extend storage times by leaving a zinc phosphate film.


  • KBS Klean - 2 Quarts (1/2 Gallon)
  • RustBlast - Quart
  • Tank Sealer - Quart
  • Black Nitrile Gloves
  • Stir Stick
  • Detailed Instructions


KBS Tank Sealer
  • Silver metallic permanent coating
  • Eliminates all rust and corrosion
  • Impervious to all fuels, alcohol additives and most solvents
  • Permanently seals pinholes and weld seams
  • Flexible to expand and contract
  • Non-flammable
  • Environmentally safe
  • Contains no Methyl Ethyl Ketone (MEK)


steel, aluminum & fiberglass fuel tanks • oil tanks • utility tanks • non-potable water tanks • diesel tanks

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