At Legacy Overland, when restoring or upgrading classic vehicles, selecting the right corrosion protection is crucial. Whether it’s a vintage Land Cruiser or a custom off-road build, ensuring metal parts remain durable and rust-free over time can make all the difference. Two common methods we employ are zinc plating and galvanizing, each with its own strengths, depending on the application. Additionally, different types of zinc plating offer further options for customizing both the performance and look of the metal.
Zinc Plating
Zinc plating uses an electrochemical process to coat metal parts with a thin, protective layer of zinc. This results in a bright, clean finish, making it perfect for parts that require both corrosion protection and aesthetic appeal—like bolts, nuts, and small brackets. While zinc plating provides a solid rust defense, the coating is thinner, which means it’s more suited for parts in less harsh environments.
Different variations of zinc plating exist, such as yellow zinc plating, which gives an iridescent, golden finish and adds a bit more corrosion resistance compared to standard zinc. This can be useful for parts that need to balance looks with protection.
Hot-Dip Galvanizing
For components that need maximum durability in tough conditions, hot-dip galvanizing is the go-to method. In this process, metal parts are dipped into molten zinc, creating a thick, rugged layer that provides long-term corrosion resistance. Though the surface is rougher and not as polished as zinc plating, galvanizing is ideal for large or exposed parts like chassis and suspension elements, ensuring they can withstand extreme elements like mud, salt, and water.
While it doesn’t offer the same sleek appearance as zinc plating, galvanizing is the best choice for parts that need to endure serious off-road punishment, offering decades of protection.
Which Method is Right for Your Build?
At Legacy Overland, we assess each project’s specific needs. For parts that will be exposed to extreme conditions, galvanizing is the preferred method for long-lasting protection. For components that require a cleaner finish but still need corrosion resistance, zinc plating offers an attractive and practical solution, especially with its various finish options.
Whether we’re restoring a vintage 4x4 or creating a bespoke build, choosing between zinc plating and galvanizing ensures every detail—down to the bolts and brackets—is crafted to last. Each vehicle that rolls out of our shop is built to handle whatever adventure awaits, with both style and durability in mind.