Stock Radiator Drain Plug, 1/4 inch Brass, 66-77 Ford Bronco SKU: 5064

Early Bronco 1/4-inch Radiator Drain Plug | Fits Stock Radiators

Don’t overlook the small but critical parts—this 1/4-inch Brass Radiator Drain Plug is a key piece of your Early Bronco cooling system, designed to fit factory-style copper/brass radiators for both 6-cylinder and V8 applications. Whether you're draining coolant for maintenance or buttoning up a full restoration, this plug helps ensure a tight, leak-free seal for long-term reliability.

Built for durability and corrosion resistance, this plug threads in cleanly and holds up to repeated service without compromising your radiator's integrity.

• Fits 1966–1977 Ford Bronco – Compatible with stock copper/brass radiators for both 6- and 8-cylinder engines.

• 1/4-Inch Threaded Plug – Standard fit for factory radiator drain ports.

• Leak-Free Design – Helps maintain coolant system integrity and prevent drips or seepage.

• Perfect for Maintenance or Restoration – A must-have for radiator service, fluid changes, or new radiator installs.

Seal it up right and prevent unwanted leaks - this brass radiator plug fits stock-style Early Bronco radiators and keeps your cooling system tight and reliable.