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OER 1970-76 Dart, Duster, Scamp, Valiant, Demon, A-Body Heater Core without AC Copper/Brass Measures 8″ X 6″ X 2″ For Models Built After 5/15/73
Part Number: 3879303-OER
OER 1970-76 Dart, Duster, Scamp, Valiant, Demon, A-Body Heater Core without AC Copper/Brass Measures 8″ X 6″ X 2″ For Models Built After 5/15/73
Original price was: $117.24.$101.95Current price is: $101.95.
On Backorder
( Inventory updated:
06/04/2026 )
Estimated ship date: 30 days or more
If there is no ETA, we will refund the cost of the part.We are here to help! Email us for help with your order:
Upgrade Your Heating System with the 1970-76 A-Body Heater Core
Transform your driving experience with the high-quality heater core designed specifically for 1970-76 Dodge and Plymouth A-Body vehicles. Whether you’re tackling winter’s chill or simply want to enhance your vehicle’s heating system, this heater core is the ideal solution for models without air conditioning built after May 15, 1973.
Key Features and Benefits
- Premium Build Quality: Constructed with a durable brass tank and a copper core, ensuring excellent heat transfer and longevity.
- Precision Fit: Manufactured to original factory specifications, this heater core fits effortlessly into your existing heater box assembly.
- Optimal Performance: Designed with the correct inlet and outlet tube lengths and bends for seamless integration and efficient heating performance.
- Easy Replacement: A service replacement style assembly that makes installation smooth, letting you return your ride to peak performance.
- Perfect Measurements: Measuring 8″ x 6″ x 2″, it‚Äôs crucial to check your original heater core’s dimensions for the perfect fit.
Technical Specifications
- Part Number: 3879303
- Material: Brass Tank / Copper Core
- Inlet Size: 1/2″
- Outlet Size: 5/8″
Fitment Information
This heater core is compatible with a wide range of Dodge and Plymouth A-Body models, including:
Dodge Applications:
- 1970 – 1976 Dodge Dart Base
- 1970 – 1975 Dodge Dart Custom
- 1973 – 1976 Dodge Dart Sport
- 1971 – 1974 Dodge Dart Special
- 1974 – 1975 Dodge Dart Special Edition
- 1975 – 1976 Dodge Dart Swinger Special
- 1974 – 1975 Dodge Dart Sport 360
- 1970 – 1976 Dodge Dart Swinger
- 1971 – 1972 Dodge Dart Demon
- 1971 – 1972 Dodge Dart Demon 340
- 1973 – 1973 Dodge Dart Sport 340
Plymouth Applications:
- 1970 – 1975 Plymouth Duster Base
- 1975 – 1975 Plymouth Duster Custom
- 1976 – 1976 Plymouth Duster Sport
- 1974 – 1975 Plymouth Duster 360
- 1970 – 1973 Plymouth Duster 340
- 1975 – 1976 Plymouth Scamp Base
- 1975 – 1976 Plymouth Scamp Special
- 1975 – 1975 Plymouth Scamp Brougham
- 1972 – 1976 Plymouth Scamp
- 1970 – 1976 Plymouth Valiant
- 1974 – 1975 Plymouth Valiant Base
- 1975 – 1975 Plymouth Valiant Custom
- 1974 – 1975 Plymouth Valiant Brougham
- 1975 – 1975 Plymouth Valiant Scamp
Don’t let a faulty heater core disrupt your driving pleasure. Ensure your vehicle stays warm and comfortable by upgrading to this reliable and efficient heater core today!
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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.
