When Toyota updates a part, the old part number can still be referenced for legacy purposes.
If you look up the old part numbers on toyotapartsdeal. they do list the updated part number as well, ("REPLACED BY:") which is what you'll receive.
11116-31010 - Genuine Toyota GASKET, CYLINDER HEAD
11115-31030 - Genuine Toyota GASKET, CYLINDER HEAD
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2004 4Runner Limited V6 4WD ***SOLD***
385,000 Km
Titanium Metallic
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