The Stock lower Oil Pan was a compromised design and the “Hump” made by the transverse frame member traps over two cups (two-thirds of a QUART!) of un-drainable, used, contaminated oil in the crankcase at service time.
Exact FIt on 01-10 Duramax diesel engine for complete draining
Simple, straight-forward installation. No special tools, cutting, or grinding required
Made from 356-T6 Aluminum, will NOT rust!
GoldPlug – Stainless steel magnetic drain plug