Hello i have a 2002 GS300, PO763 shift solenoid C electrical is the fault thats shown. gears 1-3 ok, 3 revs high then skips a gear to 5. doesnt downshift easy. mechanic has found that solenoid is at fault, lexus part number 35320. they have also quoted £430 for 1 solenoid! can anyone please help me source one?