ILCO 2011-2012 LEXUS ES350 KEY FOB PRX-LEX-4B21

ILCO 2011-2012 LEXUS ES350 KEY FOB PRX-LEX-4B21

Ensure your Lexus ES350 maintains its signature convenience with the ILCO PRX-LEX-4B21. This professional-grade 4-button proximity smart key is specifically engineered for the 2011–2012 models equipped with the Lexus Smart Access system. Designed to provide a high-performance alternative to dealership replacements, it offers seamless push-to-start functionality and reliable proximity entry while meeting all factory security encryption standards.

Key Specifications: 

• Part Number: PRX-LEX-4B21

• Button Layout: 4-Button (Lock, Unlock, Trunk Release, Panic) 

• Frequency: 315 MHz 

• Chip Type: 4D-67

• FCC ID: HYQ14ACX

• IC Number: 1551A-14ACX

• OE Numbers: 89904-33161, 89904-33160

• PCB Number: 271451-0140

• Emergency Key: High-security emergency blade included (TOY48 profile)

• Battery: CR1632

 Compatible & Programming:

• 2011-2012 LEXUS ES350
• 2011-2012 LEXUS IS C 
• 2011-2014 LEXUS IS F
• 2011-2013 LEXUS IS250
• 2011-2013 LEXUS IS350