It's $13, wouldn't be a huge loss if it doesn't work. You'll need to pull the seat, but IIRC there is a sensor in our buckles, so the part has to have a pigtail for that otherwise permanent seatbelt warning.
You can also disassemble your current buckle and clean/lube/rebuild it.
You can also disassemble your current buckle and clean/lube/rebuild it.