Radiator Coolant Expansion Tank Cap 16405-50051 for Toyota Prado FJ Cruiser 4Runner Lexus GX400 GX460

Name: Radiator Coolant Expansion Tank Cap 16405-50051 for Toyota Prado FJ Cruiser 4Runner Lexus GX400 GX460
SKU: C1688-823167491579
Availability: InStock

$12.50

Replace your worn coolant reservoir cap with the high-quality 16405-50051. Fits Toyota Prado, FJ Cruiser, 4Runner, and Lexus GX460. Ensures a leak-free seal.

995 in stock

Full description

SKU: C1688-823167491579 Category: Radiator Expansion Tank Cap Tags: 16405-50051, 4Runner expansion tank cap, coolant reservoir cap, FJ Cruiser radiator reservoir, Lexus GX460 coolant cap, Prado water tank cover

Description

Key Selling Points

Perfect Replacement for 16405-50051: Specifically engineered to match the fit and function of the original coolant reservoir cap on select Toyota and Lexus SUV models.
Pressure Stability: Designed to maintain proper system pressure, preventing coolant overflow and ensuring efficient engine cooling to avoid overheating issues.
Engineered for Durability: Manufactured from high-quality heat-resistant polymers and durable sealing gaskets to withstand extreme temperature fluctuations under the hood.
Wide Vehicle Compatibility: A direct fit for Toyota Prado, FJ Cruiser, 4Runner, and Lexus GX400/GX460, ensuring a secure and leak-free seal for the auxilary water tank.
Easy Tool-Free Installation: Simple twist-on design allows for a quick DIY replacement, restoring your vehicle's cooling system integrity in minutes.

Technical Specifications

Part Number	16405-50051
Product Type	Coolant Reservoir Expansion Tank Cap
Material	Heavy Duty Plastic and Rubber
Placement on Vehicle	Engine Bay, Auxiliary Water Tank

FAQ Q&A

Q: Will this cap fit my Lexus GX460 perfectly?

A: Yes, this cap is a direct replacement for OEM part number 16405-50051 and is specifically designed to fit the auxiliary water tank of the Lexus GX460.

Q: Does this cap include the internal sealing ring?

A: Yes, the cap comes with a pre-installed, high-temp resistant gasket to ensure a pressurized, airtight seal for your coolant expansion tank.

Q: Can I replace this cap while the engine is hot?

A: No, for safety reasons, wait until the engine has completely cooled before replacing the coolant reservoir cap to avoid injury from pressurized steam or hot fluid.