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16400-17400 Radiator for Toyota Land Cruiser HZJ79

1HZ Diesel MT 1999-2007 Car Cooling System

OEM Number:
16400-17400
Application:
Toyota Land Cruiser HZJ79 HZJ78
Engine Code:
1HZ Diesel (4.2L)
Year Fitment:
1999-2007
Transmission Type:
Manual Transmission (MT)
Core Material:
High-Grade Aluminum
Tank Material:
Plastic (PA66-GF30)
Condition:
100% Brand New
Quality Guarantee:
12 Months Warranty

Engineered as a high-performance replacement, our auto radiator delivers optimal cooling for Toyota Land Cruiser HZJ79 HZJ78 1HZ Diesel engines (1999-2007). Featuring a premium aluminum core and 100% leak testing, this 16400-17400 radiator guarantees lasting durability and a perfect fit for heavy-duty use.

Model:1640017400

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Product Description

FITMENT VERIFICATION: Please confirm vehicle compatibility prior to purchase. This aftermarket **16400-17400 Radiator** serves as a direct engineering replacement for multiple factory part numbers. Verifying an identical **16400-17400** mark on the old cooling component prevents shipping errors.

Technical Specifications

Technical Property	Specification Details
OEM Part Number	16400-17400
Engine Compatibility	1HZ Diesel (4.2L)
Transmission Type	Manual Transmission (MT)
Core Construction	High-Grade Lightweight Aluminum Alloy
Water Tank Material	Reinforced Heat-Resistant Plastic (PA66-GF30)
Manufacturing Process	Advanced Controlled Atmosphere Brazing (CAB)
Product Condition	100% Brand New Premium OE Quality Replacement

Vehicle Application Matrix

This heavy-duty engine cooling radiator assembly provides a reliable exact-fit replacement for specified off-road and commercial powertrain variants across global automotive markets:

Toyota Land Cruiser HZJ79 Series (1999-2007): Tailored precisely for the 4.2L 1HZ diesel pickup models utilizing manual transmission layouts.
Toyota Land Cruiser HZJ78 Series (1999-2007): Fully compatible with troop carrier platforms operating under demanding field conditions.
Installation Compatibility: Fits seamlessly into the original factory mounting positions, shroud brackets, and coolant lines without any custom vehicle modification.

Advanced Quality Control & Engineering Performance

Rigorous Submersion Pressure Testing

Our professional manufacturing facility subjects every single **Land Cruiser radiator** to submersed nitrogen high-pressure leak testing. This industrial quality assurance completely eliminates structural welding flaws, preventing unexpected cooling fluid loss during heavy-duty off-road exploration.

Optimized Heavy-Duty Core Geometry

The premium aluminum core incorporates high-density louvered fins and micro-bore tubes brazed via advanced CAB technology. This engineering design maximizes the total surface area for heat exchange, ensuring superior thermal dissipation for the 1HZ engine under heavy cargo towing.

Reinforced PA66-GF30 Polymer Tanks

Both inlet and outlet plastic water tanks are molded using structural polymer reinforced with 30% fiberglass. This heavy-duty composition effortlessly withstands continuous vibration, persistent thermal shock, and aggressive chemical anti-freeze environments over an extended operational life.

Global Wholesale & Distribution Channels

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