43R6E3 uses 2 kinds of led strips.
Do check the connector position and compare it with ours before your order.

New LED backlight bar
the price for 4pcs/set(2A+2B) 14LED(A+B) 781mm 
Substitute Part #: 
JL.D425E1330-003BS-M_V02 
HD425X1U81-T0L2 
SVH425A11
Compatible with TV model (just for reference):
For 43H6G 43R6090G