Heater Cores

Stop the Leaks: Vintage Copper & Brass Heater Cores

Is there a sweet smell of antifreeze in your cabin, or worse, a puddle of green coolant on your passenger side floorboard? A leaking Heater Core is the most common failure in vintage heating systems. Unlike modern cars that use lightweight aluminum, classic vehicles were originally equipped with heavy-duty Copper and Brass heater cores that offer superior heat transfer.

At Old Car Parts NW, we stock authentic NOS (New Old Stock) and NORS (New Old Replacement Stock) heater cores to keep your cabin warm and your windshield clear.

Why Choose NORS Copper/Brass?

  • Better Heat: Copper conducts heat far better than aluminum, meaning your classic car warms up faster on cold days.

  • Direct Fit: Our inventory features cores with the correct tube angles and tank shapes to fit your heater box without modification.

  • Durability: Many of our units are USA-made by original suppliers like Harrison, Fedders, and McCord, featuring soldered brass tanks that stand the test of time.

Safety Tip:

If your windshield constantly fogs up when you turn on the defroster, your heater core has a pinhole leak. The "steam" hitting the glass is actually vaporized coolant, which is dangerous to breathe and blinds your view. Replace the core immediately to restore safety and comfort.

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