The part is a Micro-Fit 3.0 plug housing equipped with a locking ramp. It supports an operating temperature range from -40°C to +105°C.

You can click on the BUY or RFQ button to purchase 436400409 from an authorized MOLEX / WALDOM distributor.
You can visit the MOLEX / WALDOM website for support.
MOLEX / WALDOM