Keylessbest Replacement Key Fob for 2016-2019 Nissan Maxima Altima, Infiniti Q50/Q60 — KR5S180144014 5-Button 433MHz Unprogrammed

If your factory key fob was lost, damaged, or the buttons no longer respond, this Keylessbest remote offers an OEM-style housing and electronics ready for professional programming. It ships brand-new and unprogrammed, so a locksmith or dealer must sync it to your vehicle. The part is built to match the physical appearance and function of original remotes while using upgraded materials to improve durability and water resistance.

Which vehicles and part numbers is this remote compatible with?

This Keylessbest remote targets select Nissan and Infiniti cars from the 2016–2019 model years that originally used the KR5S180144014 FCC ID and 433MHz frequency. Verify the part number printed on your existing remote before buying to ensure match and programming feasibility.

• Compatible FCC ID: KR5S180144014
• Common part numbers: 285E3-4RA0A, 285E3-4RA0B, 285E34RA0B, 285E3-4HK0A, 285E34HK0A
• Typical models: 2016–2019 Nissan Maxima, Altima; Infiniti Q50 and Q60 variants
• Confirm vehicle year and existing remote’s FCC/part number before purchase

How is this Keylessbest fob prepared and what programming is required?

The unit is supplied new and unprogrammed for security and flexibility. A certified locksmith or authorized dealer must program the transponder and sync remote functions like lock/unlock and trunk release. Programming steps depend on the vehicle’s immobilizer system and may require dealer diagnostic tools.

• Ships unprogrammed—professional programming required
• Compatible with dealer or locksmith programming procedures
• Bring original key information (FCC ID, part number) to ensure compatibility
• Keylessbest retains OEM-style chip location for easier programming

What are the build and performance differences compared to an OEM remote?

Keylessbest uses reinforced materials and a production test routine intended to provide reliable button response, longer battery life, and improved water resistance compared with many lower-cost replacements. Internally it holds the same type of transponder chip layout so locksmiths can program it like an OEM unit.

• Durable exterior housing with wear-resistant buttons
• Pre-tested electronics for quicker out-of-box operation
• Compact and lightweight design matching original dimensions
• 433MHz frequency and OEM-style chip for straightforward programming

Who should choose this remote? If you own a 2016–2019 Nissan Maxima, Altima, or an Infiniti Q50/Q60 and need a like-for-like replacement remote at a lower price point than dealer-only units, this Keylessbest fob is a practical choice. It’s intended for customers comfortable arranging professional programming through a locksmith or dealer. Before ordering, make sure the FCC ID and part number on your current key match KR5S180144014 and the listed part numbers, and confirm your locksmith can program this model.