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

Replacement 5-button Keylessbest key fob for 2016–2019 Nissan Maxima, Altima and Infiniti Q50/Q60 (KR5S180144014), sold new and unprogrammed.

This Keylessbest remote is a direct-style replacement housing and electronics built to match the look and function of the original factory fob for select Nissan and Infiniti models. It ships blank (unprogrammed) and requires programming by a dealer or qualified locksmith; confirm the FCC ID and part numbers on your existing key before ordering to ensure compatibility.

Which vehicles and part numbers is this compatible with?

This fob fits many 2016–2019 Nissan and Infiniti vehicles that used the KR5S180144014 remote. Common matches include Nissan Altima and Maxima and Infiniti Q50 and Q60, but compatibility depends on the exact part or FCC ID printed on your original remote.

• FCC ID: KR5S180144014 — 433MHz frequency
• Referenced part numbers: 285E3-4RA0A, 285E3-4RA0B, 285E34RA0B, 285E3-4HK0A, 285E34HK0A
• Model years commonly supported: 2016, 2017, 2018, 2019
• Always verify the ID/part number on your OEM key before purchase

How is this product delivered and what must I do before use?

The Keylessbest unit is brand-new but unprogrammed; it does not come pre-synced to any vehicle. After receiving it, you must take it to a dealer or certified locksmith to have the transponder chip and remote functions programmed to your car.

• Delivered as a complete, unprogrammed remote housing with electronics
• Programming required by dealer or locksmith — not plug-and-play
• Keep your original key until programming is confirmed successful
• Bring proof of ownership and vehicle information to the programmer

What quality and performance features does this Keylessbest fob offer?

The remote is manufactured with improved materials and tested for reliable button response and durability. It carries an OEM-compatible transponder and aims to deliver longer battery life, better wear resistance, and enhanced water-resistance compared with lower-quality aftermarket housings.

• Holds an OEM-style transponder chip for programming
• 5-button layout matching factory remote operation
• Constructed for lighter weight, improved wear resistance, and water protection
• Pre-shipment testing for button responsiveness and fit

Where should I check compatibility and who can program it?

Confirm compatibility by comparing the FCC ID and part number imprinted on the back of your current key with the numbers listed above. For programming, visit a dealership or an automotive locksmith experienced with Nissan/Infiniti key programming.

• Compare FCC ID KR5S180144014 and listed part numbers to your OEM key
• Contact local dealer or locksmith to verify programming method and cost
• Ask the programmer to confirm your vehicle accepts aftermarket remotes
• Keep original remote as a backup until new fob is successfully programmed

Who is this for: Drivers of compatible 2016–2019 Nissan and Infiniti models who need a high-quality replacement fob and are prepared to have it professionally programmed. This product suits owners replacing a lost, damaged, or worn remote who want OEM-style fit and function without buying an expensive dealer key — provided they verify part numbers and arrange programming in advance.