ACDelco 10040001 GM OE Multi-Purpose Threaded Engine Plug

The ACDelco 10040001 is a GM Original Equipment multi-purpose threaded plug designed to seal critical openings in engine blocks, cylinder heads, and intake manifolds on a wide range of GM vehicles. As a genuine OE replacement component, it delivers the same fit, function, and durability as the factory-installed part.

This plug is engineered to seal passages in systems including the engine cooling circuit, oil galleys, and intake manifold water passages — making it a versatile solution for engine service, overhaul, or targeted leak repair.

Key Features:

• Genuine ACDelco GM Original Equipment replacement plug
• Designed, engineered, and tested to GM's rigorous quality standards
• Multi-purpose application — seals engine oil galley, intake manifold water passage, and other threaded engine openings
• Threaded design for secure, leak-free installation
• Direct OE replacement — no modifications required
• Backed by General Motors

Whether you're performing a complete engine rebuild or replacing a damaged or corroded plug, the ACDelco 10040001 ensures proper sealing and protection against fluid loss in your GM vehicle.