OER 1973-78 Oldsmobile Cutlass, Cutlass Supreme Radiator Overflow Reservoir/Tank

Part Number: CS1212Z-OER

OER 1973-78 Oldsmobile Cutlass, Cutlass Supreme Radiator Overflow Reservoir/Tank

Part Number: CS1212Z-OER

Original price was: $75.84.Current price is: $65.95.

In Stock

( Inventory updated: 07/27/2026 )

Estimated ship date: 2-3 business days

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1973-78 Oldsmobile Cutlass, Cutlass Supreme Radiator Overflow Reservoir/Tank

Upgrade your classic 1973-78 Oldsmobile Cutlass or Cutlass Supreme with this high-quality Radiator Overflow Reservoir/Tank. Designed specifically for your vehicle, this overflow tank ensures that your cooling system operates efficiently, providing a seamless fit and optimal performance.

Key Features and Benefits

  • Precise reproduction of the original coolant reservoir, ensuring a perfect fit
  • Manufactured from durable molded ABS plastic for long-lasting use
  • Designed with the correct shape and mounting points for easy installation
  • Direct replacement for aging or damaged tanks, restoring cooling system efficiency
  • Sold individually, allowing you to replace only what you need
  • Cap not included, providing the option to customize if necessary

Technical Specifications

  • Part Number: CS1212Z
  • Brand: OER

Fitment Information

This Radiator Overflow Reservoir/Tank is compatible with the following Oldsmobile models:

  • 1973 Oldsmobile Cutlass
  • 1974 Oldsmobile Cutlass
  • 1975 Oldsmobile Cutlass
  • 1976 Oldsmobile Cutlass
  • 1977 Oldsmobile Cutlass
  • 1978 Oldsmobile Cutlass

Don’t let a worn-out overflow reservoir compromise your vehicle’s performance. Invest in the 1973-78 Oldsmobile Cutlass, Cutlass Supreme Radiator Overflow Reservoir/Tank today and keep your classic in top shape for years to come!

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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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