Keylessbest Replacement Key Fob for 2016–2019 Nissan & Infiniti — 5-Button 433MHz, OEM‑Style Durable

A Keylessbest 5-button replacement key fob compatible with 2016–2019 Nissan and Infiniti models that arrives unprogrammed and must be paired by a dealer or locksmith.

This compact remote matches OEM form and function for select Nissan and Infiniti vehicles (FCC ID KR5S180144014, part numbers like 285E3-4RA0A/4RA0B and similar). It’s built with improved materials for wear resistance, water resistance, longer battery life, and responsive button operation. The unit ships blank so a professional must program it to your vehicle; verifying part and FCC numbers on your original remote avoids compatibility issues.

Which vehicles and part numbers will this Keylessbest fob replace?

This remote is designed to replace specific Nissan and Infiniti key fobs from model years 2016 through 2019. Check the FCC ID and part number on your original key to confirm a match before purchasing.

• Common part references: 285E3-4RA0A, 285E3-4RA0B, 285E34RA0B, 285E3-4HK0A, 285E34HK0A
• FCC ID printed on compatible remotes: KR5S180144014
• Intended for select Nissan Maxima, Altima and Infiniti Q50/Q60 model years 2016–2019
• Always compare appearance, FCC ID, and part number with your original remote

How do I get this Keylessbest fob programmed to my car?

This key fob is sold unprogrammed and requires a dealer or a qualified locksmith to pair it with your vehicle’s immobilizer system. Contact a local dealer or experienced locksmith ahead of purchase to confirm they can program this FCC ID for your car.

• Bring the original remote (if available) and vehicle VIN to the programmer
• Dealers can perform software pairing; many locksmiths offer on-site programming
• Programming fees and procedures vary by provider and vehicle security system
• Confirm compatibility with the programmer using FCC ID and part number first

What build and performance features does the Keylessbest remote offer?

The fob is constructed for durability and everyday reliability, using improved materials to resist wear and moisture while keeping weight and size compact. Buttons deliver a snappier response and the internal battery is designed for longer life compared with basic aftermarket designs.

• Durable housing with improved wear and water resistance
• Simplified, quick-response five-button layout for lock/unlock and trunk functions
• Holds an OEM-style immobilizer chip ready for professional programming
• Smaller, lighter form factor for easier pocket carry

What should I check before ordering this replacement fob?

Verify the markings and physical appearance of your current remote to ensure compatibility. Confirm a programming option is available locally so you won't be left with an unpaired unit after it arrives.

• Compare FCC ID (KR5S180144014) and part number on your original key
• Confirm the remote’s button layout and housing match your existing key
• Call a dealer or locksmith to confirm they can program this remote for your VIN
• Make sure you understand programming costs and bring required documents

Who is this for: Drivers of compatible 2016–2019 Nissan and Infiniti sedans who need an OEM-style replacement fob and have access to professional programming services. Ideal for owners replacing a lost or damaged remote who want a durable, compact unit that mirrors factory functionality once programmed by a dealer or locksmith.