TYC 945 Radiator

TYC 945 Radiator for Toyota 4Runner

The TYC 945 radiator is a direct-fit cooling system replacement for select 1985-1989 Toyota 4Runner models. Built with a plastic/aluminum construction and a single-row core, it is sized for the specified application to support proper coolant flow and heat transfer.

Key Features

• Fits 1985-1989 Toyota 4Runner, N/A
• TYC Radiator part number 945
• Core size: 13 3/4" x 20" x 1"
• Core height: 15 3/4 in.
• 1 3/8 in. inlet and 1 3/8 in. outlet
• Plastic/aluminum construction with 1-row core
• Cross-references Toyota 16400-35370 for the same application

Detailed Description

TYC Radiator 945 is built for the 1985-1989 Toyota 4Runner and matches the listed core dimensions, inlet size, and outlet size for the application. The plastic/aluminum design combines a lightweight tank structure with an aluminum core, while the single-row layout supports efficient coolant circulation in the factory-style cooling system. This radiator is also cross-referenced to Partslink TO3010251 and Toyota 16400-35370, making it a practical OE-style replacement for service work on the Toyota 4Runner cooling system.

Common Problems This Part Can Address

• Coolant leaks from a damaged or aging radiator
• Restricted cooling performance from a clogged core
• Cracked plastic tanks or weakened seams
• Overheating caused by reduced heat dissipation
• Fitment issues when replacing a worn factory radiator

Installation Notes and Tips

Verify core dimensions, inlet size, and outlet size before installation to confirm the correct match for your Toyota 4Runner. Inspect hoses, clamps, and surrounding cooling components during replacement, and flush the cooling system if contamination or debris is present. Confirm all connections are secure and check for leaks after refill and warm-up.

Quality Assurance

TYC manufactures replacement cooling components for OE-style service applications. This radiator is identified by part number 945 and is listed for direct fitment on select 1985-1989 Toyota 4Runner models.