Where is the oil plug on a 1998 Chevy S-10 Blazer?

The oil drain plug on a 1998 Chevy S-10 Blazer is located on the bottom of the oil pan, which is the lowest part of the engine's oil system. To be more precise, it's typically towards the front of the oil pan, but you'll need to get under the vehicle to locate it.

Because there are variations in engine types (4-cylinder vs V6), it's best to consult your owner's manual for the exact location and also to see a diagram. Searching online for "1998 Chevy S-10 Blazer oil drain plug location" along with your specific engine size (e.g., "4.3L V6") will also yield helpful images. Be cautious when working under your vehicle and use jack stands for safety.