Spectra Premium 94604 HVAC Heater Core – OEM Replacement 3847943, 3849741, 3879741

If your car's heater is blowing cold air, a clogged or leaking heater core might be the culprit.

This Spectra Premium 94604 HVAC heater core is a direct replacement for a bunch of OEM numbers like 3847943, 3849741, and 3879741.

It's brand new, from a trusted aftermarket brand, and comes with a 1-year warranty.

The SKU is 273:94604, and the UPC is 671607601657, so you can easily cross-reference.

Whether you're a mechanic swapping one out or a DIYer taking on the dashboard challenge, this core is ready to install.

It's built to cool the engine and heat the cabin, just like the factory part.

One piece, standard packaging, no surprises.

Get your heat back before winter hits—grab this Spectra unit and get to work.

Just make sure it matches your vehicle application before tearing into the dash.