Is the heater in your Honda Civic not working like it should? This heater control valve is a direct OE replacement for your 2001, 2002, 2003, 2004, or 2005 Honda Civic (always double-check your exact model and year for fit!). It's designed to match the original part (PC-986901) in fit, form, and function. This valve controls the flow of hot coolant into your heater core, which is what provides warm air to your cabin. If it's stuck or leaking, you'll get little to no heat. Replacing it can restore your car's heating system. The part is made to meet or exceed OEM specifications, so you can expect reliable performance. Installation is straightforward for those with basic mechanical skills. Get your Civic's cozy winter warmth back with this quality replacement part.