Koyorad A13116 Radiator

Koyorad A13116 Radiator Overview

The Koyorad A13116 radiator is an OE-equivalent replacement built for dependable engine cooling in select Toyota and Lexus applications. It uses an aluminum core with plastic tanks and the correct inlet and outlet sizing for direct-fit service on vehicles such as the Toyota Sienna and Lexus RX350.

Key Features

• Aluminum core construction with plastic tanks
• Single-row core design for OE-style cooling performance
• Core dimensions: 31.125 in. wide, 17.6875 in. high, 0.625 in. thick
• Inlet diameter: 1.375 in.; outlet diameter: 1.375 in.
• Transmission oil cooler diameter: 1.125 in.
• Fits 2011-2016 Toyota Sienna, N/A
• Fits 2010-2015 Lexus RX350, N/A

Detailed Description

Koyorad A13116 is a replacement radiator engineered to match OE-style fitment and cooling layout for the listed applications. The aluminum core helps transfer heat efficiently, while the plastic tank design follows the common factory-style construction used on many modern vehicles. With a 1-row core, 1.375-inch inlet and outlet diameters, and an integrated transmission oil cooler connection, this radiator is specified for vehicles that require the same cooling and fluid-routing dimensions as the original unit. This part number, A13116, is a direct-fit option for owners servicing a Toyota Sienna radiator replacement or a Lexus RX350 radiator replacement.

Koyorad applies manufacturing experience focused on replacement radiators that meet OE-equivalent expectations for fit and function. For shoppers searching for a Koyorad A13116 radiator for 2011-2016 Toyota Sienna or 2010-2015 Lexus RX350, this unit provides the core measurements and connection sizes needed for a proper match.

What This Radiator Helps Address

• Engine overheating caused by a worn or leaking radiator
• Coolant loss from cracked tanks or aged core materials
• Reduced heat dissipation from a clogged or damaged core
• Transmission cooling concerns when the radiator cooler circuit is compromised
• Fitment issues from using an incorrect replacement radiator

Installation Notes and Tips

Verify core dimensions, inlet and outlet diameters, and transmission oil cooler connection size before installation. Inspect hoses, clamps, and surrounding cooling-system components for wear, and replace any damaged parts during radiator service. Confirm vehicle application by year and model before ordering, especially when sourcing a Toyota Sienna radiator or Lexus RX350 radiator replacement.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific specifications and replacement-focused engineering. The A13116 is built to align with the listed vehicle fitments and factory-style cooling requirements.