Unfortunately not.  3671 has B365 chipset and LGA1151 socket.  The top cpu for this socket is Intel 9th Gen. i9-11900k is a 11th Gen cpu.  Intel 11th and 10th Gen cpu require LGA1200 socket.
is an Intel Core i9-11900K Desktop Processor with 8 Cores compatible with my Inspiron 3671? 
is an Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked 
LGA1200 compatible with my Inspiron 3671