Blycorul Rear Boot Latch Actuator for Kia Optima 2016-2020 — Direct-Fit OE Replacement, Steel Construction

Blycorul Rear Trunk Latch Actuator is a direct-fit replacement for Kia Optima 2016–2020 models, restoring reliable trunk locking and release. If your Optima's trunk fails to latch, won't open with the key fob, or makes unusual noises when operating, a worn actuator is a common cause. This Blycorul unit is built to match OE specifications (81230-D4000 / 81230D4000 / SM2488) and is designed to swap into your vehicle as a single-step replacement without custom wiring or modification. Constructed from premium steel components and backed by a one-year warranty, it aims to return secure, consistent trunk operation so you can trust luggage and cargo stay protected.

What Kia Optima models and years will this actuator fit?

This actuator fits a wide range of Optima trims and model years. Confirm compatibility against the part number and your vehicle's trim to ensure correct fitment before purchase.

• Fits 2016–2020 Kia Optima variants including Hybrid EX/SX/EX/LX and LX 1.6T.
• Compatible with 2017–2018 Hybrid Premium and 2016–2017 SX Limited.
• Also fits 2017–2020 Plug-In Hybrid EX and 2018–2020 S trims.
• Cross-references OE numbers: 81230-D4000, 81230D4000 and SM2488.

How does this actuator match the original equipment?

The Blycorul actuator is engineered to meet original manufacturer dimensions and electrical characteristics so it installs and functions like the factory part. It uses the same mounting points and connector type to minimize installation hassle and avoid electrical faults.

• Built to OEM specifications for form, fit, and function.
• Electrical connector and mounting tabs aligned to factory locations.
• Operates with the existing key fob, trunk switch, and wiring harness.

What are the construction and durability features?

This trunk latch actuator uses premium steel and durable internal components to resist wear from repeated cycles and environmental exposure. The robust design reduces the chance of premature failure and provides consistent latching force over time.

• Premium steel construction for structural strength and longevity.
• Sealed mechanism to protect internal parts from moisture and dirt.
• Precision gears and motor tuned for smooth, quiet operation.

What warranty and support come with the part?

Blycorul includes a one-year warranty to cover manufacturing defects and early failures. Customer support is available if you have fitment questions, installation concerns, or need an exchange within the warranty period.

• One-year limited warranty from date of purchase.
• Contactable support for fitment verification and troubleshooting.
• Replacement or assistance available for defective units under warranty terms.

Who is this for? This actuator is aimed at DIY mechanics and professional technicians replacing a failed trunk latch on Kia Optima models from 2016 through 2020. It suits owners who want an OE-spec replacement without the premium dealer price, garages that service multiple Optima trims, and anyone needing a reliable, direct-fit part to restore trunk security and remote operation. Before ordering, verify the OE number on your original actuator or consult your vehicle's parts catalog to confirm compatibility.

FAQ

Q: Will this actuator work with my 2018 Kia Optima LX?

A: Yes — it fits 2016–2018 LX (including 1.6T) and matches OE 81230-D4000; confirm by checking your part number.

Q: Do I need to reprogram anything after installation?

A: No reprogramming is typically required; the actuator uses existing connectors and works with your factory key fob.