1. Automatic Transmissions Products
  2. sku: 24155790496870872
  3. LEXUS 89740-53370

LEXUS 89740-53370 Smart Door Control Receiver

fits model: Is250, Is350, B3. make: Lexus. year: 2012–2013.

89740-53370 Lexus 2012-2013 Is250 Is350 C Smart Door Control Receiver Oem B3

( Manufacturer Part Number: 89740-53370 ), ( Type: Automatic Transmission ), ( Fitment Type: Direct Replacement )

Review LEXUS Smart Door Control Receiver Oem fits IS250 IS350 B3 2012–2013

The **Lexus 89740-53370 Smart Door Control Receiver (B3)** is a high-performance, precision-engineered electronic module designed exclusively for the **2012 2013 Lexus IS250 and IS350** models, serving as the central hub for the vehicle s advanced smart door control system. This critical component integrates seamlessly with the car s keyless entry, push-button start, and door lock/unlock mechanisms, ensuring a refined, intuitive, and secure driving experience. Crafted with Lexus s signature attention to detail, the **B3 receiver** features a robust, corrosion-resistant construction, utilizing high-quality materials to withstand the rigors of daily use while maintaining optimal functionality in varying environmental conditions. Its compact yet durable design allows for efficient installation within the vehicle s electrical architecture, minimizing space constraints while maximizing reliability.

At the heart of this module lies sophisticated **RF (radio frequency) technology**, enabling seamless communication between the vehicle s smart key fob and the door control system. When the driver approaches the car, the receiver detects the encrypted signal from the key fob, triggering a smooth, silent unlocking of the doors an elegant touch that enhances the IS250 and IS350 s premium appeal. Beyond basic keyless entry, the **89740-53370** also supports the **push-button ignition system**, allowing for a hassle-free start without the need for a traditional key insertion, further elevating convenience and luxury. The module s advanced diagnostics ensure that any malfunctions in the door lock actuators, keyless entry sensors, or ignition system are promptly identified, preventing potential operational disruptions and maintaining the vehicle s seamless performance.

For enthusiasts and mechanics alike, this part represents a blend of **cutting-edge technology and Lexus s commitment to engineering excellence**. Whether replacing a faulty original unit or upgrading an aftermarket system, the **Smart Door Control Receiver B3** is engineered to meet the exacting standards of the IS250 and IS350, ensuring compatibility with all related electrical components, including the **power door lock actuators, keyless entry transceivers, and central locking relays**. Its precise calibration and robust wiring connections guarantee a secure fit, reducing the risk of electrical interference or signal loss that could compromise the vehicle s security or convenience features. As a genuine Lexus part, it adheres to the manufacturer s stringent quality control measures, providing long-term durability and performance that aligns with the brand s reputation for reliability and sophistication.

### **Pros and Cons of buying a Lexus 89740-53370 (2012-2013 IS250/IS350 Smart Door Control Receiver B3)**

#### **Pros:**

1. **Compatibility with Smart Key Systems** This part is designed specifically for the Lexus IS250 and IS350 models from 2012 to 2013, ensuring proper integration with the vehicle s smart door control system. It allows keyless entry, push-button start, and remote door unlocking, improving convenience and security.

2. **Reliability from Lexus** Lexus parts, especially those from the original equipment manufacturer (OEM), are generally built to high standards, reducing the risk of premature failure compared to aftermarket alternatives.

3. **Prevents Malfunctions in Door Control** If your vehicle s smart door control system is malfunctioning (e.g., doors not locking/unlocking properly, keyless entry issues), replacing this receiver can restore full functionality.

4. **Easy Installation** As an OEM part, it is designed to fit seamlessly into the vehicle s existing wiring and system, reducing the complexity of installation compared to non-OEM replacements.

5. **Long-Term Durability** Lexus components are engineered for longevity, which means this part should last as long as the vehicle s other electrical components if installed correctly.

6. **Warranty Coverage** If purchased from an authorized Lexus dealer or a reputable supplier, this part may come with a warranty, providing peace of mind against defects.

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#### **Cons:**

1. **Cost** OEM parts like this receiver are significantly more expensive than aftermarket alternatives. The price can range from **$200 to $400 or more**, depending on the source and condition (new vs. used/refurbished).

2. **Potential for Counterfeit Parts** If buying from an untrusted seller (e.g., eBay, Craigslist, or unverified online marketplaces), there is a risk of receiving a **fake or low-quality part** that may not function correctly or could damage the vehicle s system.

3. **Labor Costs** While the part itself is relatively straightforward to install, professional installation by a Lexus technician may still be required, adding to the overall expense.

4. **Limited Availability** Since this is an older model part, finding a new OEM unit may be difficult, and you might need to consider **refurbished or used parts**, which could have unknown wear or damage.

5. **Compatibility Risks with Modifications** If the vehicle has undergone aftermarket modifications (e.g., custom alarm systems, non-OEM keyless entry upgrades), the new receiver may not integrate perfectly, leading to compatibility issues.

6. **Time-Consuming Replacement** Replacing this component may require disassembling parts of the door panel or trim, which can be time-intensive, especially for DIYers without experience with Lexus systems.

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### **Conclusion:**

The **Lexus 89740-53370 Smart Door Control Receiver (B3)** is a **critical OEM part** for restoring proper functionality to the keyless entry and push-button start systems in your 2012-2013 IS250 or IS350. While it offers **reliability, compatibility, and long-term performance**, the **high cost and potential for counterfeit parts** are significant drawbacks.

If your vehicle s smart door system is failing and you prioritize **long-term reliability and seamless integration**, purchasing an **authentic OEM or high-quality aftermarket part** from a trusted source is the best choice. However, if budget is a concern, **thoroughly research the seller** to avoid counterfeit parts, and consider whether a **professional installation** is necessary.

### **Recommendation:**

- **Best Option:** Buy from an **authorized Lexus dealer or a reputable online parts retailer** (e.g., RockAuto, AutoZone, or a Lexus-specific supplier) to ensure authenticity and warranty coverage.

- **Budget Alternative:** If cost is a major concern, verify the part s legitimacy through **serial number checks** or **seller reviews** before purchasing. Consider a **refurbished OEM part** if available.

- **DIY vs. Professional Installation:** If comfortable with automotive electronics, a **step-by-step guide** (e.g., from Lexus repair forums) can help with installation. Otherwise, a **Lexus-certified technician** should handle it to avoid voiding warranties or causing further damage.

- **Avoid:** Purchasing from unverified sources (e.g., random eBay sellers with no feedback) to prevent receiving a **fake or incompatible part**.

Ultimately, investing in the **correct OEM or high-quality replacement** will ensure your vehicle s smart door control system functions as intended, maintaining convenience and security.

Details:

Good working condition.

part #: 8974053370 prices

  • $25.00-$49.28

specifications autotransmissionsgo:

  • for models: Is250, Is350, B3
  • for makes: Lexus
  • for years: 2012-2013
  • mpn: 89740-53370
  • type: Automatic Transmission
  • fitment type: Direct Replacement

returns autotransmissionsgo:

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

seller autotransmissionsgo:

  • rating: 100.0%
  • # reviews: 1146
  • city: Sacramento, California

payments autotransmissionsgo:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

shipping autotransmissionsgo:

  • class: Standard
  • type: Calculated
  • carrier: USPS
  • transit: 4-9 Days
  • service: USPS Ground Advantage
  • cost: $0.00

offer autotransmissionsgo:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: June 11, 2026

general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: Used
for models: is250, is350, b3, for makes: lexus, for years: 2012-2013, type: automatic transmission, fitment type: direct replacement,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 24155790496870872,
Lexus 89740-53370 Is Similar To:
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