Oil Dye | McMaster-Carr

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Diesel Fuel Systems

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33 Products

Leak-Detecting Dyes

Leak-Detecting Dye for Hydraulic Systems

Leak-Detecting Dye for Hydraulic Systems

Easy-to-see colors enable you to spot leaks in hydraulic systems

Leak-Detecting Dye for Water Systems

Leak-Detecting Dye for Water Systems

Brightly colored so you can easily spot leaks in water systems

Leak-Detecting Dye for Gasoline and Diesel Fuel Systems

Leak-Detecting Dye for Gasoline and Diesel Fuel Systems

Detect leaks in fuel systems and storage tanks using a UV flashlight

Other Products

Flaw-Detecting Dyes

Flaw-Detecting Dyes

Reveal cracks and surface flaws using colored dye under natural or UV light

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)