Dealing with no heat in your Toyota? This A-Premium HVAC heater core is exactly what you need to get your heating system working properly again. Specifically designed for 2005-2008 Toyota Corolla and Matrix models, this direct replacement matches OEM specifications perfectly. Made from high-quality aluminum construction that ensures excellent heat transfer and leak-proof performance. The dimensions are spot-on at 6 inches high, 8-5/8 inches wide, and 3/4 inches thick with 5/8 inch inlet and outlet diameters. The high-density multilouver fins dissipate heat faster and reduce pressure for optimal performance. This isn't some cheap aftermarket part - it's built to last with the same quality you'd expect from the original equipment. Installation is straightforward if you're handy, though heater core replacement can be labor-intensive so you might want a professional to handle it. Compatible with OEM numbers 87107-02200, HT399254C, 99317, and several others. Backed by a solid one-year unlimited-mileage guarantee, so you can install it with confidence knowing it's protected. Perfect for when you're experiencing weak heat, coolant smells in the cabin, or foggy windows from heater core leaks. Whether you're a DIY mechanic or taking it to your trusted repair shop, this heater core will have your Toyota's climate control working like new again. Seriously, if you're tired of freezing during winter drives or dealing with coolant issues, this replacement core is your solution.