Purpose and Specifications

The WD-40 WD-404 is a premium 5-liter universal lubricant designed for heavy-duty tasks in workshops, garages, and industrial settings. This bulk can delivers the classic WD-40 formula that penetrates deep to loosen rusted bolts and stuck parts, protects metal tools and equipment from rust and corrosion, displaces moisture from engines and electrical contacts, and provides short-term lubrication for hinges, chains, gears, and sliding doors. Ideal for automotive repairs, marine applications, and home maintenance, it works effectively in temperatures from -23°C to 93°C (-10°F to 200°F), ensuring reliable performance in cold winters or hot engines.

Key specs: 5 liters capacity, 4.5 kg weight, EAN 5032227485068. Its thin formula flushes out debris and grime without leaving sticky residue, extending the life of your equipment.

When to Use / Replace?

• Use on stuck nuts, bolts, or valves that won't budge after months of rust buildup – sprays in, breaks free in minutes.
• Apply to tools and chains after every 3-6 months of use to prevent rust, especially in humid garages or coastal areas.
• Spray automotive hinges and locks before winter to stop freezing; reapply every 6 months or 10,000 km for smooth operation.
• Displaces water from spark plugs or power tools after rain exposure – no need to replace parts prematurely.

Shelf life is up to 5 years when stored in a cool, dry place. Reapply every 3-6 months on high-wear parts or sooner if squeaking or sticking returns.

FAQ

Is WD-40 WD-404 safe for my car engine? Yes, it safely cleans and protects engine components from rust without harming seals; great for loosening seized parts.

How long does one application last? Provides protection for 3-6 months or 5,000-10,000 km on vehicles, depending on exposure to moisture and dirt.

Can I use it in cold weather? Absolutely, works down to -23°C to free frozen locks and lubricate stiff mechanisms.