Lucas Oil vs Permatex: Two Essential Automotive Chemical Brands Compared

Lucas Oil and Permatex are both Texan Supply staples — but they serve very different purposes. Here's how to think about each brand and when you need one versus the other.

Lucas Oil: Engine and Drivetrain Treatments

Lucas Oil's product line centers on lubricants and additives for engines, transmissions, differentials, and fuel systems. Their most popular products include:

• Engine Oil Stabilizer — Thickens oil, reduces wear and noise in high-mileage engines
• Heavy Duty Oil Stabilizer — For diesel engines and heavily loaded applications
• Fuel Treatment — Cleans injectors, improves combustion, removes water from fuel
• Transmission Fix — Stops slipping, hesitation, and rough shifts in automatic transmissions

Permatex: Sealing, Bonding, and Securing

Permatex focuses on chemical solutions for joining, sealing, and protecting. Their product categories include:

• RTV Silicone Sealants — Gasket makers for flanged joints
• Thread Lockers — Prevents fastener loosening
• Anti-Seize — Prevents corrosion and galling on threaded fasteners
• Adhesives — Structural repairs, molding adhesives, body panel repair

Do You Need Both?

For a fully-stocked home garage, yes. Lucas products go in your engine, transmission, and fuel system. Permatex products are used when you're opening up mechanical assemblies that need to be properly sealed and secured. They complement each other perfectly.

Shop Lucas Oil and Permatex at Texan Supply with free shipping on all orders.