OER 1970-74 Challanger, Barrracuda, Cuda, 1971-74 Charger, Coronet, Satellite, Road Runner Heater Core Assembly without AC Copper/Brass Measures: 7-3/4″ x 6″ x 2″

Part Number: 3420815-OER

OER 1970-74 Challanger, Barrracuda, Cuda, 1971-74 Charger, Coronet, Satellite, Road Runner Heater Core Assembly without AC Copper/Brass Measures: 7-3/4″ x 6″ x 2″

Part Number: 3420815-OER

Original price was: $131.04.Current price is: $113.95.

In Stock

( Inventory updated: 06/04/2026 )

Estimated ship date: 2-3 business days

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Heater Core Assembly for 1970-74 Challenger, Barracuda, Cuda, 1971-74 Charger, Coronet, Satellite, Road Runner

Revitalize the heating system of your classic Dodge or Plymouth with our high-quality Heater Core Assembly, specifically designed for models without air conditioning. This essential component not only meets but exceeds factory specifications, ensuring optimal performance and comfort during colder months. It’s time to restore your vehicle‚Äôs heating efficiency with a reliable solution that blends perfect fit and functionality.

Key Features and Benefits

  • Premium Materials: Crafted from durable copper and brass, our heater core promises longevity and remarkable heat transfer.
  • Exact Fit: Manufactured to match original specifications and dimensions; easily replace your worn-out heater core without hassle.
  • Enhanced Air Flow: Designed for excellent performance, it promotes better airflow for an improved cabin heating experience.
  • Simple Installation: Replaces the original heater core effortlessly, mounted inside the heater box assembly for quick setup.

Technical Specifications

  • Brass Tank / Copper Core
  • 5/8″ Inlet & 3/4″ Outlet
  • Measures: 7 3/4″ high x 6″ wide x 2″ deep
  • Part Number: 3420815
  • Brand: OER

Fitment Information

Dodge Applications

  • 1970 – 1974 Dodge Challenger
  • 1971 – 1974 Dodge Charger
  • 1971 – 1974 Dodge Coronet

Plymouth Applications

  • 1970 – 1974 Plymouth Barracuda
  • 1971 – 1971 Plymouth Belvedere
  • 1970 – 1974 Plymouth Cuda
  • 1971 – 1974 Plymouth Road Runner
  • 1971 – 1974 Plymouth Satellite

Don’t let a failing heater core leave you in the cold. Upgrade to this Heater Core Assembly today and experience the warmth and efficiency your classic Dodge or Plymouth truly deserves. Perfect for restorations or replacements, this heater core is your key to ensuring a comfortable ride for you and your passengers.

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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