AISIN Engine Coolant Control Valve FSVT-9002 — OE-matched Direct-Fit Replacement for Select Lexus & Toyota

AISIN FSVT-9002 is an OE-matched engine coolant control valve engineered to restore correct coolant flow and fit exactly like the original part supplied to select Lexus and Toyota models.

This coolant control valve from AISIN is built to the same specifications and standards used by vehicle manufacturers, delivering consistent operation, correct operating parameters, and simple installation. Manufactured in Japan by a long-established OEM supplier, the FSVT-9002 replaces the factory part number 16671-25010 and is compatible with a range of Lexus and Toyota vehicles. It’s designed to integrate seamlessly with the vehicle’s cooling system so you can maintain proper temperature control and avoid the hassle of aftermarket guessing.

How does this valve match the original equipment?

The FSVT-9002 is produced using AISIN’s OE tooling and processes so its dimensions, connectors, and control characteristics mirror the factory unit. That OE-matched approach reduces fitment issues and installation time compared with generic replacements.

• Exact OE component originally supplied by AISIN to vehicle manufacturers
• Manufactured to factory tolerances for reliable sealing and actuating
• Same electrical and coolant ports as the original for plug-and-play replacement

What vehicles and part numbers is it compatible with?

This valve replaces Toyota part number 16671-25010 and fits specific Lexus and Toyota model years listed by AISIN. Compatibility can vary by engine option and trim, so confirm using the vehicle fitment tool before purchase.

• Replaces OE No. 16671-25010
• Common fits include select Lexus ES250, ES300h, NX250, NX300h
• Also compatible with select Toyota Avalon models; verify by VIN or fit checker

What are the installation and performance benefits?

Because the valve is OE-matched, installation is straightforward and typically requires the same steps as replacing the factory valve. The part is built for consistent actuation and thermal stability to help maintain the engine’s designed coolant routing without unexpected variability.

• Direct-fit replacement reduces installation time and potential adapter needs
• High-quality materials resist common degradation from heat and coolant exposure
• Engineered to maintain specified operating parameters for predictable system behavior

Why choose AISIN over generic aftermarket options?

AISIN is a global OEM supplier with decades of experience producing original equipment parts. Choosing an AISIN OE-matched valve means you get the same engineering, materials, and quality controls that went into the original component used by the manufacturer.

• Produced by the original supplier to many vehicle makers, founded 1965
• Manufactured in Japan under stringent quality and process standards
• Avoids uncertainty of non-OE aftermarket copies that may vary in form, fit, or function

Who is this for: Drivers and technicians who need a reliable, factory-equivalent replacement for a failing or removed coolant control valve on compatible Lexus and Toyota models. It’s aimed at owners who prefer an OEM-level part to maintain original performance, simplify installation, and minimize the risk of fitment or operational issues. If you’re replacing part number 16671-25010 or restoring the vehicle to factory cooling-system specifications, the AISIN FSVT-9002 is a direct and high-quality option.