Ensure extreme thermal stability and protect your rugged 4x4 or utility powertrain with this premium mechanical Water Pump assembly (OE Part # 16100-39405 / 16100-39406). Specifically engineered for Toyota’s legendary 4.0-liter 1GR-FE V6 engine architecture, this replacement unit delivers high-volume coolant flow to eliminate localized hot spots and prevent overheating under heavy towing, desert off-roading, and extreme working conditions.

Vehicle Compatibility & Engine Application:

• Toyota Land Cruiser / Land Cruiser Prado (GRJ120 / GRJ150): 2003–2023 (4.0L V6 1GR-FE)

• Toyota Hilux / Hilux Vigo (GGN15 / GGN25 / GGN35): 2005–2015 (4.0L V6 1GR-FE)

• Toyota Fortuner (GGN50 / GGN60): 2004–2015 (4.0L V6 1GR-FE)

• Toyota FJ Cruiser & 4Runner: 2003–2021 (4.0L V6 1GR-FE)

Engineering Highlights:

• High-Flow Impeller Vanes: Computer-optimized geometry maximizes coolant velocity to handle heavy thermal loads under low-speed crawling or high-speed towing.

• Rugged Bearing Assembly: Built to withstand continuous accessory belt tension and severe off-road vibrations without acoustic whine.