12mm Steel Drain Bung Kit with Plug & Copper Washer — Transmission Drain Plug Kit

This new, unbranded 12mm drain bung kit includes a steel bung, matching plug, and a copper sealing washer. Designed as a universal sump/transmission drain solution, the kit is made from steel with a copper washer for reliable sealing. Compact, lightweight, and supplied as a single-kit item (manufacturer part number: Transmission Drain Plug Kit).