Replacement Coolant Control Valve Three Way - Compatible with Toyota Prius 2004, 2005, 2006, 2007, 2008, 2009 - Replaces 16670-21010, 601-021, 1667021010 - Coolant Shutoff and Regulator

• Replacement Coolant Control Valve - The coolant control valve plays an important role in the thermal management which includes the engine, cabin and e-machine of your 2nd Generation Prius. The coolant water valve is part of the coolant system that controls the coolant flow to your engine and sends coolant to three areas: the engine, the heater core and the coolant heat storage tank.
• Compatible replacement for Toyota PRius with 2004, 2005, 2006, 2007, 2008, 2009 with the 1.5L engine. If your heater isn't working, coolant is leaking, low coolant levels with no leak, weird noises in the engine, rough idle, reduced perormance or the hood smells and feels strangely hot along with a P1121 code then you may have a problem with your heater control valve.
• Replaces Part# 16670-21010, 1667021010, 601-021, 601021 commonly found on popular 1.5L Hybrid Prius models including years 04, 05, 06, 07, 08, 09. The coolant contro valve can easily be located on the front driver side of the engine bay near the headlight and can be removed under or from the top if a few covers are removed. Draining and refilling the coolant will be necessary as removing the valve will release coolant as well.
• OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement and will look, fit and work exactly like the factory part. Installation is straight forward, can be done in a few minutes and will not require special tools. Do not forget to re-fill the coolant and purging the air in the system before using the vehicle.
• Lifetime Warranty - This Coolant control valve is a direct replacement manufactured by AA Ignition and comes complete with a lifetime warranty. If the part ever fails on your 2004 Prius simply contact us for a replacement. Save time and money by purchasing this coolant heater control valve and take advantage of our Lifetime Warranty. See our website for full details.

The coolant control valve plays an important role in the thermal management which includes the engine, cabin and e-machine of your 2nd Generation Prius. The coolant water valve is part of the coolant system that controls the coolant flow to your engine and sends coolant to three areas: the engine, the heater core and the coolant heat storage tank.

Fits the Following Vehicles:

• 2004 Toyota Prius
• 2005 Toyota Prius
• 2006 Toyota Prius
• 2007 Toyota Prius
• 2008 Toyota Prius
• 2009 Toyota Prius

Replaces Part Numbers:

• 16670-21010
• 1667021010
• 601-021
• 601021

• Eliminates Check Engine Light (CEL)
• Eliminates code P1121
• Eliminates weird or hot temperature readings
• Robust plastic construction

Replace Your Bad Coolant Control Valve

Failure to replace may damage the engine and other critical parts due to overheating which can leave you stranded on the road.

This is a compatible replacement part manufactured by AA Ignition. This coolant control valve assembly is NOT a genuine OEM part. Vehicle makes and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this engine coolant heater control valve assembly fits.

Experience the AA Ignition Difference!