Profleet Radiator Drain Plug (Replacement for BHT N4138001 / BHR N4138001) – OEM Fit Cooling System Drain Cock for Heavy Duty/Commercial Trucks

Replace worn or missing lug nut caps with the durable 33 mm flanged wheel nut cover (ACX-84578). Molded from ABS with a bright chrome finish, this push-on nut cover restores a factory look while protecting lug nuts from dirt and corrosion. Designed for commercial trucks and heavy-duty wheels (common on Freightliner and other makes), it installs quickly and provides a snug, low-profile fit.

• OEM-grade Compatibility – Designed to precisely replace BHT N4138001 and BHR N4138001 radiator drain plugs, ensuring full compatibility with original equipment systems.
• Durable Construction – Manufactured from high-quality plastic (or reinforced polymer) with leak-tested performance, resisting corrosion and thermal stress (as used in OEM applications).
• Easy Installation – Screw-in plug with standard thread design, installs without modifications for a secure, tight seal during coolant draining.
• Service Efficiency – Provides a service access point at the base of the radiator, allowing controlled coolant removal during maintenance or system flushes.
• Reliable Sealing – Engineered to maintain coolant integrity under normal operating temperatures and pressures, reducing risk of leaks over time.