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21910 OEM Dealer Keys Lexus RX300 Remote Head Key – 3-Button, 315 MHz (89070-48020)

New OEM replacement remote head key for 1999–2003 Lexus RX300, featuring Lock, Unlock, and Panic buttons at 315 MHz with a built-in TOY48 key blade and Texas ID 4C transponder chip. A direct factory-spec replacement that eliminates guesswork on fit, frequency, and programming compatibility.
$148.21

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  • Description
  • Specifications
  • Vehicle Fitments

This New OEM remote head key (OE Part # 89070-48020) is a factory-spec replacement for 1999–2003 Lexus RX300 vehicles, combining a keyless entry transmitter and a cut-ready ignition blade in a single unit. Designed to work with vehicles equipped with a standard ignition key entry system — not compatible with push-to-start vehicles.

  • OE Part Number: 89070-48020
  • FCC ID: N14TMTX-1
  • Button Configuration: 3 buttons — Lock, Unlock, Panic
  • Frequency: 315 MHz
  • Transponder Chip: Texas ID 4C Tag
  • Key Blade / Keyway: TOY48 (short blade, included — requires cutting by a locksmith or dealer)
  • Battery: CR1616
  • Condition: New OEM
  • Vehicle Compatibility: 1999–2003 Lexus RX300 (Base, 3.0L V6)
Battery type CR1616
Button configuration Lock, Unlock, Panic
Condition New OEM
Fcc id # N14TMTX1
Frequency 315 Mhz
Manufacturer OEM Dealer Keys
Number of buttons 3
Oe part # 89070-48020
Product type Remote Head Key
  • Lexus RX300 (1999)
  • Lexus RX300 (2000)
  • Lexus RX300 (2001)
  • Lexus RX300 (2002)
  • Lexus RX300 (2003)