One Stop Solutions 2454 Radiator

Radiator Overview

This OSC Premium radiator is built for direct replacement use with OES form and function in mind. It is engineered for the Toyota Highlander and uses premium-grade aluminum construction with a plastic tank design for dependable cooling performance.

Part number 2454 is a downflow radiator with a 1-inch core, integrated transmission oil cooler, and no engine oil cooler. The radiator is individually pressure tested and uses a die-cut gasket to help maintain a leak-resistant seal. Part number 2454 also follows multi-fit engineering without changing the original look and fit.

Key Features

• Premium aluminum radiator construction with plastic tanks
• Downflow design with a single-row core
• Integrated concentric transmission oil cooler
• Die-cut gasket for a tighter sealing surface
• Individually pressure tested during production
• Built for OES form and function

Detailed Description

OSC designed this radiator to match original equipment cooler design where originally equipped, while using upgraded materials and manufacturing controls. The core measures 17 11/16 inches high by 29 1/16 inches wide, with 1 5/16-inch inlet and outlet diameters. For Toyota Highlander cooling system service, this radiator supports a clean replacement path when the original unit has internal leakage, reduced cooling efficiency, or cooler-related failure.

This part cross-references APDI 8012454 and Koyorad A2454 for the same application. The OSC radiator line focuses on fitted components, pressure testing, and design updates that address common failure points in higher-mileage cooling systems.

Common Issues This Radiator Can Address

• Coolant leaks from a cracked or fatigued radiator tank
• Reduced cooling performance from a restricted or damaged core
• Transmission fluid temperature issues tied to a failing cooler circuit
• Seepage at the sealing surface or header area
• Replacement needs after corrosion or internal wear

Installation Notes and Quality Assurance

Fits 2001-2007 Toyota Highlander, N/A. Verify core dimensions, inlet and outlet size, and cooler configuration before installation. This radiator includes the transmission oil cooler and is engineered for a drop-in fit with factory-style mounting and sealing points.

OSC states that each radiator is pressure tested during production and built to OES form and function standards. The design also incorporates fitted components and factory-spec torque practices during assembly.