LEXUS 89990-48121 Smart Key Keyless Control Module

( Country Of Origin: Japan ), ( Protection Lock: No ), ( Input Connection: Refer To The Item ), ( Items Included: Unit Shown Only ), ( Item Length: Oem Size ), ( Placement On Vehicle: Front ), ( Manufacturer Warranty: 2 Months ), ( Connector Type: Female ), ( Features: Easy Installation ), ( Terminal Type: Pin ), ( Manufacturer Part Number: 89990-48121 ), ( Material: Plastic ), ( Drive Type: All Wheel Drive ), ( Type: Control Module )

Review LEXUS Smart Key Keyless Entry Control Module Oem fits RX450H 2010–2011

The Lexus 89990-48121 Smart Key Keyless Control Module is an essential component for the convenience and security features of the 2010-2011 RX 450h hybrid vehicles. This module enables the keyless entry and start system, allowing drivers to unlock and start their vehicles without physically inserting the key into the ignition.

The control module is compact in size, measuring approximately 5 x 3 x 1 inches (LxWxH), and is designed to be discreetly mounted in the vehicle's engine bay or other suitable location. The module is equipped with advanced microprocessor technology, ensuring fast and reliable operation of the keyless entry and start system.

The module communicates with the vehicle's on-board computer system using a secure wireless protocol, ensuring that only the registered key fob can unlock and start the vehicle. This provides an added layer of security, as the vehicle cannot be started by anyone else without the registered key fob.

The module also includes a backup battery, ensuring that the keyless entry and start system continues to function even if the vehicle's main battery is disconnected or drained. The backup battery has a long lifespan, reducing the need for frequent replacements.

The installation process for the control module is relatively straightforward, with clear instructions provided in the product packaging. However, it is recommended that the installation is performed by a qualified technician to ensure proper alignment and connection of all wiring harnesses and sensors.

The Lexus 89990-48121 Smart Key Keyless Control Module is a high-quality and reliable component that enhances the convenience and security features of the 2010-2011 RX 450h hybrid vehicles. With its advanced microprocessor technology, secure wireless communication, and backup battery, this module ensures that the keyless entry and start system functions optimally, providing a seamless and hassle-free driving experience for its users.

Buying a Lexus RX 450h Smart Key Keyless Control Module with the part number 89990-48121 for models from 2010 to 2011 involves considering its potential advantages and disadvantages.

1. Convenience: The smart key system allows you to unlock and start the vehicle without physically using the key. This feature can be especially useful in situations where you have your hands full or need to enter the vehicle quickly.

2. Security: The smart key system comes with an engine immobilizer, which prevents the vehicle from starting if the key is not present. This feature enhances the security of your vehicle.

3. Comfort: The keyless entry and start system adds a level of comfort to your driving experience, allowing you to enter and start your vehicle with minimal effort.

1. Cost: Replacing the smart key control module can be expensive, as it is a specialized part. This cost may be a deterrent for some potential buyers.

2. Complexity: The smart key system is a complex electronic component, and its replacement may require professional installation. This additional cost and time commitment should be taken into consideration.

3. Dependability: The smart key system relies on batteries and electronic components, which can wear out over time. Regular maintenance and battery replacement may be necessary to ensure the continued function of the system.

The decision to buy a Lexus RX 450h Smart Key Keyless Control Module with part number 89990-48121 depends on your individual needs and preferences. If you value the convenience, security, and comfort offered by the smart key system and are willing to invest in its replacement, then it may be a worthwhile investment for you. However, if you are concerned about the cost, complexity, and potential for future maintenance, you may want to consider alternative options or delay the purchase until it is absolutely necessary.

If you have decided to purchase the Lexus RX 450h Smart Key Keyless Control Module, it is recommended that you obtain it from a reputable dealer or repair shop to ensure its authenticity and proper installation. Additionally, consider any potential future maintenance costs and factor them into your decision-making process. If the cost is a concern, you may want to explore alternative solutions, such as using a traditional key or upgrading to a newer model with more advanced features. Ultimately, the choice is yours, and it's essential to carefully weigh the advantages and disadvantages before making a purchase.

Details:

Old must be present for delivery. External wiring, sensors, or other transferable external parts are not covered. PART: 2010 - 2011 Lexus RX450h Smart Key Keyless Entry Control Module OEM 89990-48121 Vehicle Fitment: Year: Make: model: Body Trim: Engine Transmission: 2011 LexusRX450hBase3.5L V6 - Electric/Gas, 3.5L FULL HYBRID EV-GAS FHEV, 2010 LexusRX450hBase3.5L FHEV. Residential Address - Load is curbside delivery ONLY.

Minor scuffs and scratches may be present due to the nature of used parts. Daytime phone number is required load will not deliver until appointment scheduled. Someone over 18 yrs.

part #: 8999048121 prices

• $78.86-$131.43

specifications ecusrush:

• for models: Rx450h
• for makes: Lexus
• for years: 2010-2011
• country of origin: Japan
• protection lock: No
• input connection: Refer To The Item
• items included: Unit Shown Only
• item length: Oem Size
• placement on vehicle: Front
• manufacturer warranty: 2 Months
• connector type: Female
• features: Easy Installation
• terminal type: Pin
• manufacturer part number: 89990-48121
• material: Plastic
• drive type: All Wheel Drive
• type: Control Module

shipping ecusrush:

• service: Expedited
• transit: 2-5 Days
• type: Fixed
• cost: $0.00
• class: Expedited

returns ecusrush:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer ecusrush:

• availability: In Stock
• started: April 13, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True

payments ecusrush:

• credit card: Diners-club
• wallet: Google-pay
• other

general ecusrush:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
• condition: Used

seller ecusrush:

• # reviews: 5256
• city: Alberta
• rating: 99.4%

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