OE 25623-2J000 — Gasket Thermostat Housing for Hyundai

Treat it as a wear item: inspect every 20,000-30,000 km and replace at the first sign of leakage, noise or performance loss. Real service life swings widely with climate, road surface and duty cycle, so mileage on its own is a weak indicator.

Build-year coverage is listed row by row in the Applications table above. Where several generations share one number, the newer rows usually carry a revised suffix — compare the last four characters before buying, since a suffix change often means a different connector or bracket.

OEM means the part was produced for the vehicle maker's assembly line; aftermarket means it is made independently to the same engineering drawing. For a gasket thermostat housing the practical gap is usually tooling age and packaging rather than fit, provided the tolerance class matches.

Yes. Sample lots of 25623-2J000 are used by QC teams to benchmark dimension, material and finish before a volume commitment. Send the reference and we will quote the sample alongside the production price.

Aftermarket gasket thermostat housing comes from tooling houses that hold the original drawings or licensed equivalents. KingMay sources from vetted factories and inspects each batch; the manufacturer name is available on request where your market requires origin documentation.

A supersession happens when the maker revises a gasket thermostat housing and issues a new tail number. The revision normally changes a small physical detail rather than the fit. Where we know a supersession chain for 25623-2J000 we list the current reference; ask our desk for written confirmation before a large order.