Part #: 13663

One Stop Solutions 13663 Radiator

4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Sienna
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Radiator for 2017-2020 Toyota Sienna

Replace a worn or leaking cooling unit with this radiator for the 2017-2020 Toyota Sienna. One Stop Solutions part number 13663 is built for direct vehicle-specific fitment and supports the cooling system on the Toyota Sienna across the listed model years.

Key Features

  • Fits 2017-2020 Toyota Sienna, N/A
  • Core thickness: 26 mm
  • Core material: PA
  • Transmission oil cooler type: plated
  • Engine oil cooler type: none
  • Cap included: no

Product Details

One Stop Solutions 13663 is a radiator assembly specified for the Toyota Sienna in 2017, 2018, 2019, and 2020 applications. The radiator uses a PA core material and a 26 mm core thickness, with a plated transmission oil cooler and no engine oil cooler provision. This configuration supports routine cooling-system service when replacing a damaged radiator, addressing leaks, overheating concerns, and reduced heat transfer performance. The part number 13663 is a direct reference for shoppers searching for a radiator for Toyota Sienna 2017-2020 models.

Common Issues This Part Can Address

  • Coolant leaks from a cracked or corroded radiator
  • Engine temperature running higher than normal
  • Transmission fluid cooling concerns tied to the radiator cooler circuit
  • Reduced cooling efficiency from internal blockage or age-related wear
  • Visible damage from road debris or impact

Installation Notes and Tips

Verify the vehicle year and cooling-system configuration before installation. Inspect hoses, clamps, and related seals during radiator replacement, and confirm the transmission cooler line connections match the plated cooler design. Flush the cooling system as needed and refill with the correct coolant specification for the Toyota Sienna. Confirm fitment by matching the application to 2017-2020 Toyota Sienna, N/A, before ordering or installation.

Quality Assurance

One Stop Solutions part 13663 is cataloged with defined fitment and component specifications for accurate replacement selection. Review the listed attributes and vehicle application details to confirm the correct radiator for your Toyota Sienna.

BrandOne Stop Solutions
Part Number13663
Core Thickness1
Core Thickness26
Core MaterialPa
Transmission Oil Cooler TypePlated
Engine Oil Cooler TypeNone
Cap IncludedNo

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020ToyotaSienna3.5LV6N/A
2019ToyotaSienna3.5LV6N/A
2018ToyotaSienna3.5LV6N/A
2017ToyotaSienna3.5LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.