MechanMagic Hyundai Elantra Replacement Key Fob for 2016–2020 — 433MHz OSLOKA-423T, Pre-tested with Battery

MechanMagic replacement key fob for 2016–2020 Hyundai Elantra provides a ready-to-program keyless entry transmitter (OSLOKA-423T / 95430-F2300) operating at 433MHz.

If your Elantra’s original remote is lost, damaged, or simply worn out, this fully pre-tested MechanMagic keyless entry remote comes with electronics and battery installed so a locksmith or dealer can program it to your vehicle quickly. It matches the OEM part numbers and frequency used on compatible Elantra models and is intended for standard-key (non push-button start) vehicles only. Read the compatibility notes and programming requirements before purchase to ensure a smooth install.

Will this key fob fit my Hyundai Elantra?

This MechanMagic remote is designed to replace the factory fob for many 2016–2020 Hyundai Elantra vehicles that use the 433MHz OSLOKA-423T transmitter and part number 95430-F2300. Always verify your vehicle’s part number or confirm compatibility with the vehicle fitment tool or your VIN before ordering.

• Compatible with Hyundai Elantra model years 2016–2020 using 433MHz remotes
• Matches OEM part 95430-F2300 and FCC ID OSLOKA-423T
• Not compatible with 315MHz systems or vehicles with push-button start
• Check fitment tool or dealer for exact VIN-level confirmation

What comes in the box and how is the quality assured?

Each MechanMagic remote arrives brand new with the battery and internal electronics already installed, and every unit is pre-tested using professional locksmith equipment to ensure correct transmitter function. The package contains one pre-program-ready remote; any key cutting or vehicle programming is a separate service.

• 1 x pre-tested, electronics-installed keyless entry remote
• Battery included so the fob transmits on arrival
• Quality control testing performed prior to shipping
• Packaged ready for programming by a locksmith or dealer

How do I program this key fob to my car?

The MechanMagic key fob must be programmed by a qualified locksmith or an authorized dealership; it does not support DIY on push-start vehicles and is intended for regular-key systems only. Programming steps vary by year and model, and require professional tools to pair the transmitter to your vehicle’s immobilizer and remote entry system.

• Bring the fob and vehicle to a locksmith or dealership for programming
• Provide proof of ownership and VIN as required by many shops
• Professional tools are used to sync the fob to the car’s receiver
• Programming fees and procedure depend on service provider

What limitations or important notes should I know?

This replacement is a transmitter only and will not work with vehicles that require a push-button start or that use a different frequency. Confirm your vehicle uses 433MHz and the listed part numbers before purchasing to avoid incompatibility problems.

• Frequency: 433MHz — not 315MHz
• Supports standard key vehicles; not for push-start systems
• Requires professional programming — sold unprogrammed
• Verify part numbers 95430-F2300 / OSLOKA-423T match your vehicle

Who is this for: Drivers of 2016–2020 Hyundai Elantra models who need a direct-fit, new replacement remote transmitter that mirrors the OEM 95430-F2300 design and operates at 433MHz. This product is ideal for owners replacing a lost or damaged fob who can arrange programming through a locksmith or dealership and who require a pre-tested, ready-to-program remote with battery and electronics installed.