Koyorad A13117 Radiator

Koyorad A13117 Radiator for Toyota and Lexus

The Koyorad A13117 radiator is an OE-equivalent replacement built for select Toyota and Lexus applications. It is engineered with an aluminum core and plastic tanks to match the factory-style cooling layout while supporting dependable heat transfer for daily driving.

Key Features

• Aluminum core with 1-row construction
• Plastic tank design for OE-style fitment
• Core dimensions: 31.125 in. wide, 17.6875 in. high, 1.0625 in. thick
• 1.375 in. inlet and 1.375 in. outlet diameters
• Transmission oil cooler diameter: 1.0625 in.
• Tow packaging included
• Direct replacement radiator for select Toyota Sienna, Lexus RX350, and Lexus RX450h applications

Detailed Description

Koyorad A13117 is a replacement radiator built to OE-equivalent standards for vehicles that need a precise cooling-system match. The aluminum core helps manage engine heat efficiently, while the plastic tank construction follows the factory-style design used on many original radiators. This part number is a practical choice for owners searching for a Koyorad A13117 radiator for 2011-2016 Toyota Sienna, 2010-2015 Lexus RX350, or 2010-2012 Lexus RX450h cooling system service.

Compatible With 2011-2016 Toyota Sienna, 2010-2015 Lexus RX350, and 2010-2012 Lexus RX450h. Koyorad uses technical manufacturing experience to produce replacement radiators that align with OE expectations for fit and function. The A13117 radiator is also a strong search match for buyers comparing Toyota Sienna radiator replacement options and Lexus RX350 radiator replacement parts by part number.

What This Radiator Helps Address

• Overheating caused by a worn or leaking radiator
• Coolant loss from cracked tanks or damaged core passages
• Reduced cooling efficiency from age-related radiator wear
• Transmission cooling concerns when the radiator’s cooler circuit is part of the system
• Factory-style replacement needs for Toyota and Lexus cooling service

Installation Notes and Tips

Verify inlet and outlet hose sizes, core dimensions, and transmission cooler connection requirements before installation. Drain the cooling system, inspect hoses and clamps, and confirm the radiator mounts and fan shroud alignment match the vehicle before final assembly. For best results, refill with the correct coolant type and bleed air from the system according to the vehicle service procedure.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement backed by the brand’s manufacturing experience in cooling components. The A13117 part number is built for the listed Toyota and Lexus applications and is intended to meet the dimensional and functional requirements of those vehicles.