Replacing your car trunk lock with a new one primarily improves security, reliability, and user experience, preventing accidental opening, theft, and further damage caused by damage. For KIA For Optima 2016-2019 For Hybrid 2017-2019 Rear Trunk Lock Actuator 81230-D4000 81230D4000. The trunk door latch actuator is made of ABS and metal materials, with good impact stability and durability. This trunk lock actuator can help restore the normal operation of your car's tailgate lock. The new lock fits snugly and closes well, reducing rainwater and dust intrusion into the trunk and protecting stored items from moisture or contamination., Manufacturer: YINGFEI