1. Engine Cooling Components Deals
  2. sku: 18061792378094632
  3. WVE 1S1389

WVE 1S1389 Engine Cooling Fan Temperature Switch 025875402711

fits model: Sienna. make: Toyota. year: 1998–2000.

1s1389 Wve For Toyota Sienna 1998-2000 Engine Cooling Fan Temperature Switch

( Brand: Wve ), ( Manufacturer Part Number: 1S1389 ), ( Part Type: Fan Switch Engine ), ( Product Type: Engine Cooling ), ( UPC: 025875402711 ), ( California Prop 65 Warning: Cancer And Reproductive Harm ), ( Universal Fitment: Direct Replacement ), ( Partslink Number: 8942830130, 88923783 ), ( Compatible Model S : Sienna, Avalon ), ( Fitnote: W/o Towing Package. Fits Models Without Towing Package. ), ( Product Subtype: Cooling System Switches, Sensors Relays ), ( Product Details: Engine Cooling Fan Temperature Switch ), ( Department: Replacement )

Review WVE Toyota Engine Cooling Fan Temperature Switch fits SIENNA 1998–2000

WVE 1S1389 Engine Cooling Fan Temperature Switch for Toyota Sienna (1998-2000)

The WVE 1S1389 Engine Cooling Fan Temperature Switch is a vital component that ensures the efficient functioning of your Toyota Sienna's (1998-2000) cooling system. This temperature switch plays a crucial role in regulating the engine's temperature by controlling the operation of the engine cooling fan.

This switch is engineered to sense the engine coolant temperature and trigger the cooling fan to engage when the temperature rises beyond the safe threshold. By doing so, it helps prevent overheating of the engine, thus extending the service life of your Toyota Sienna's engine.

The WVE 1S1389 is designed with precision and durability in mind. It features a robust construction and high-quality materials to ensure reliable performance under various operating conditions. The switch is easy to install, requiring no special tools or extensive mechanical knowledge, making it an ideal choice for both professional mechanics and DIY enthusiasts.

In the event of a faulty or malfunctioning temperature switch, the engine cooling fan may not activate as needed, leading to potential engine overheating. Replacing the WVE 1S1389 with a genuine OEM switch guarantees optimal performance and peace of mind.

In conclusion, the WVE 1S1389 Engine Cooling Fan Temperature Switch is an essential part for maintaining the performance and longevity of your Toyota Sienna's (1998-2000) engine cooling system. It is a reliable, easy-to-install, and high-quality replacement part designed to meet your vehicle's specific needs.

Product: WVE 1S1389 - Engine Cooling Fan Temperature Switch for Toyota Sienna (1998-2000)

Pros:

1. OEM Compatibility: This part is designed to fit and function properly with your Toyota Sienna's cooling system, ensuring a seamless installation.

2. Quality Assurance: Purchasing from a reputable manufacturer can provide peace of mind, as they often offer warranties or guarantees for their products.

3. Improved Performance: A faulty temperature switch can cause the cooling fan to malfunction, leading to overheating issues. Replacing the switch can help maintain optimal engine temperature and prolong the life of your engine.

Cons:

1. Potential for Misdiagnosis: If the cooling system issue is not actually caused by the temperature switch, replacing it will not solve the problem. It is essential to diagnose the issue accurately before purchasing this part.

2. Cost: While this part is essential for maintaining your vehicle's cooling system, it may not be the most affordable solution if you are experiencing multiple issues with your engine.

3. Installation Complexity: Depending on your mechanical skill level, replacing the temperature switch may require professional assistance, adding to the overall cost.

Conclusion:

The WVE 1S1389 is an OEM-compatible engine cooling fan temperature switch specifically designed for Toyota Sienna models from 1998-2000. It is essential for maintaining the cooling system's performance and preventing overheating. However, it is crucial to ensure that the cooling system issue is indeed caused by the temperature switch before making a purchase. If you are unsure about the diagnosis or installation process, it may be best to consult a professional mechanic first.

Recommendation:

If you are confident that the issue is with your engine cooling fan temperature switch, and you have the necessary mechanical skills or access to a professional, purchasing the WVE 1S1389 can be a cost-effective solution for maintaining your vehicle's cooling system. However, if you are unsure about the diagnosis or installation process, it is recommended to consult a professional mechanic to avoid any potential complications.

Details:

Terminal Quantity: Connector Quantity: Made to meet or exceed the OEM standards, it will provide long-lasting, hassle-free performance and dependability. Designed to fit into the place of your original equipment, they offer fast and reliable installation so you can get vehicle back on road in no time flat.

Engine Cooling Fan Temperature Switch 1S1389 by WVE. This product is designed and tested to ensure the ultimate in durability functionality. Manufactured to meet or exceed the highest OEM specifications. Features: Excellent replacement for your worn-out factory part.

Mounting Bracket Included: No. Specifications: voltage : 12.0 VDC. Designed to keep your vehicle running reliably mile after. Terminal Gender: Male.

Made from superior materials for excellent durability. Connector Shape: Square. Quick and easy installation into the original location. Connector Gender: Female.

Replace your worn-out or faulty component with this quality replacement from WVE. Connector Color: Gray, Gold. Terminal Type: Blade. Its products feature premium components that eliminate known original equipment design flaws, providing superior reliability, consistent performance and long life.

Location: Top of Thermostat Housing for Left Fan.

part #: 1s1389 prices

  • $50.30-$99.99

specifications ocoosys:

  • for models: Sienna
  • for makes: Toyota
  • for years: 1998-2000
  • brand: Wve
  • mpn: 1s1389
  • part type: Fan Switch Engine
  • product type: Engine Cooling
  • upc: 025875402711
  • california prop 65 warning: Cancer And Reproductive Harm
  • universal fitment: Direct Replacement
  • partslink number: 8942830130, 88923783
  • compatible model s : Sienna, Avalon
  • fitnote: W/o Towing Package. Fits Models Without Towing Package.
  • product subtype: Cooling System Switches, Sensors Relays
  • product details: Engine Cooling Fan Temperature Switch
  • department: Replacement

offer ocoosys:

  • started: November 25, 2025
  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock
  • sold: 0

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

returns ocoosys:

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

seller ocoosys:

  • city: Carson, California
  • rating: 98.2%
  • # reviews: 354333

shipping ocoosys:

  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • transit: 4-8 Days
  • type: Calculated
  • cost: $18.88
  • carrier: FedEx

payments ocoosys:

  • wallet: Google-pay
  • credit card: Mastercard
  • other
for models: sienna, for makes: toyota, for years: 1998-2000, part type: fan switch engine, product type: engine cooling, california prop 65 warning: cancer and reproductive harm, universal fitment: direct replacement, partslink number: 8942830130, 88923783, compatible model s: sienna, avalon, fitnote: w/o towing package. fits models without towing package., product subtype: cooling system switches, sensors relays, product details: engine cooling fan temperature switch, department: replacement,
category: auto parts > car truck parts accessories > engine cooling components, sku: 18061792378094632,
Wve 1S1389 Is Similar To:
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5 offers $50.30–$99.99 USD
  • New. Offer #1 priced at $50.30 + $0.00 shipping estimate = $50.30* total. Engine Cooling Fan Switch WVE BY NTK.FREE SHIPPING
  • New. Offer #2 priced at $66.12 + $20.42 shipping estimate = $86.54* total. Made to meet or exceed the OEM standards, it will provide long-lasting, hassle-free performance and dependability. Engine Cooling Fan Temperature Switch ( ) by WVE .+$20.42 shipping
  • New. Offer #3 priced at $99.99 + $0.00 shipping estimate = $99.99* total. FREE SHIPPING
  • New. Offer #4 priced at $80.66 + $0.00 shipping estimate = $80.66* total. FREE SHIPPING
  • New. Offer #5 priced at $62.23 + $7.30 shipping estimate = $69.53* total. +$7.30 shipping

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