1. Car & Truck Ignition Systems Components Products
  2. sku: 14541232701227604
  3. TOYOTA 89786-42040

89786-42040 TOYOTA Transmitter Transponder Ignition Key

fits model: Sienna. year: 2014–2020.

89786-42040 TOYOTA Transmitter Transponder Ignition Key
Value List
BrandTOYOTA
Manufacturer Part Number89786-42040
Part TypeIGNITION TRANSPONDER
Performance PartNO
Universal FitmentDIRECT REPLACEMENT
Manufacturer Warranty1 MONTH
Oe/oem Part Number897860R020, 89786-0R020

Review TOYOTA Oem Transmitter Transponder Ignition Key for SIENNA 2014–2020

The Toyota 89786-42040 is a genuine ignition key designed for select models of the Toyota Sienna produced between 2014 and 2020. This key is an essential component of the vehicle's security system, as it comes equipped with a transponder chip that communicates with the car's immobilizer system to grant access and enable the engine to start.

The key's sleek design features a matte black finish on the handle and a shiny Toyota emblem at the top. The head of the key is cylindrical, with a small indentation for the transponder chip and a flat, rectangular cutout for the key blade. The key blade is standard in size and shape, with notches for the ignition switch, the doors, and the trunk.

The Toyota 89786-42040 is not just a replacement for a lost key; it also offers peace of mind by ensuring that your vehicle remains secure. Since this key is programmed to your specific vehicle, it prevents unauthorized access and reduces the risk of car theft.

This key is manufactured to Toyota's rigorous quality standards, ensuring a reliable and durable product. The transponder chip is encased in a robust housing to protect it from damage, and the key blade is made from high-quality steel for long-lasting use.

In summary, the Toyota 89786-42040 is a vital accessory for the Toyota Sienna owners whose keys have been lost or damaged. This replacement key not only provides access to your vehicle, but it also adds an extra layer of security by ensuring that only authorized individuals can start your car. With its sleek design, robust construction, and reliable performance, the Toyota 89786-42040 is an excellent investment for any Toyota Sienna owner.

Pros and Cons of Buying a Toyota Sienna 2014-2020 Transmitter Transponder Ignition Key

The Toyota Sienna 2014-2020 Transmitter Transponder Ignition Key is an essential component for vehicle owners of the specified model and year range. This key combines both transmitter and transponder functions, allowing remote locking and unlocking features, as well as engine ignition. Here are the pros and cons of purchasing this key:

Pros:

1. Convenience: The transmitter function enables users to lock and unlock their Toyota Sienna remotely. This feature adds a layer of security and ease when approaching the vehicle.

2. Compatibility: This key is designed specifically for Toyota Sienna models from 2014 to 2020, ensuring a perfect fit and function.

3. Durability: Toyota keys are known for their high-quality construction, ensuring long-lasting performance.

Cons:

1. Cost: Replacing a lost or stolen key can be expensive. The cost of purchasing a new transmitter transponder ignition key can range from $100 to $300, depending on the dealership or auto parts store.

2. Availability: Sometimes, it might be difficult to find this specific key in local auto parts stores or dealerships, requiring online purchases or special orders.

3. Security concerns: If the key is lost or stolen, there is a risk of unauthorized access to the vehicle.

In conclusion, the Toyota Sienna 2014-2020 Transmitter Transponder Ignition Key offers convenience and security features, making it an essential component for Toyota Sienna owners. However, the cost and availability of the key might be a drawback for some. If you need a replacement key, it is recommended to purchase it from a trusted Toyota dealership or auto parts store to ensure authenticity and compatibility.

Details:

The delivery address must be a residence or street. This item is used and may show signs of imperfections such as light surface scratches, slight fading, dirt/stains, scuffs, dents/dings normal wear tear. Your understanding and cooperation are greatly appreciated. Please match part number provided.

specifications ignitioncomp:

  • for models: Sienna
  • for years: 2014–2020
  • brand: Toyota
  • mpn: 89786-42040
  • part type: Ignition Transponder
  • performance part: No
  • universal fitment: Direct Replacement
  • manufacturer warranty: 1 Month
  • oe/oem part number: 897860r020, 89786-0r020

returns ignitioncomp:

  • time: 30 days
  • policy: returns accepted
  • paid by: buyer

seller ignitioncomp:

  • city: feasterville-trevose, pennsylvania
  • rating: 99.9%
  • # reviews: 1353

offer ignitioncomp:

  • options: ship-to-home
  • best offers: true
  • started: february 25, 2026
  • availability: in stock
  • sold #: 13
  • in stock #: 5
  • prices: $35.14–$54.12
  • item condition:
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general ignitioncomp:

  • category: Auto Parts > Car Truck Accessories > Ignition Systems Components
rating: 99.9% out of 100 based on 353 user ratings.
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