OER 1963-65 Plymouth B-Body 318Ci V8 Automatic Trans 4 Row Replacement Radiator

Part Number: MB2378A-OER

OER 1963-65 Plymouth B-Body 318Ci V8 Automatic Trans 4 Row Replacement Radiator

Part Number: MB2378A-OER

Original price was: $947.54.Current price is: $823.95.

On Backorder

( Inventory updated: 06/06/2026 )

Estimated ship date: 30 days or more

If there is no ETA, we will refund the cost of the part.

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1963-65 Plymouth B-Body 318Ci V8 Automatic Trans 4 Row Replacement Radiator

Upgrade your classic Plymouth’s cooling system with the OER¬Æ 1963-65 Plymouth B-Body 318Ci V8 Automatic Transmission 4 Row Replacement Radiator. This robust radiator is specifically designed to maintain optimal engine temperatures, ensuring your vehicle performs at its best on every drive. With a perfect fit for your vintage ride, you can install this radiator without any modifications to your radiator support or support top panel.

Key Features and Benefits

  • Durable Construction: Made from high-quality copper and brass materials, this replacement radiator is built to last, providing superior heat dissipation and reliability.
  • Engineered for Performance: Designed to meet the cooling needs of stock engines, ensuring your Plymouth remains cool even in the most demanding conditions.
  • Easy Installation: Direct bolt-in replacement that eliminates the need for modifications, making it a hassle-free upgrade for your classic car.
  • Efficient Cooling: Features 1/2″ tubes on 9/16″ centers for enhanced cooling performance, essential for high-performance driving.

Technical Specifications

Part Number: MB2378A

Core Dimensions: 18-1/8″ x 22″

Fitment Information

This radiator is compatible with the following models:

  • 1963 Plymouth Belvedere 318ci V8 with automatic transmission
  • 1964 Plymouth Belvedere 318ci V8 with automatic transmission
  • 1965 Plymouth Belvedere 318ci V8 with automatic transmission
  • 1965 Plymouth Satellite 318ci V8 with automatic transmission

For models equipped with a standard transmission, please refer to part # MB2378S.

Why Choose OER®?

Proudly made in the USA, OER® radiators are known for their quality and performance. Trust in OER® to keep your vintage Plymouth running cool and smooth, so you can enjoy every mile on the road. Don’t wait—enhance your car’s cooling performance 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.

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