Description
Factory-correct reproduction of the GM radiator overflow jar for 1973-74 Nova models. Precision-molded from high-grade plastic, this reservoir features authentic FULL HOT and FULL COLD markings, original-style GM part number, and accurately formed mounting tabs for a true OEM fit. Includes the lower mounting clip for secure installation, making it an ideal choice for restoring original cooling system appearance and performance.
Features and Benefits:
- Authentic reproduction of the 1973-74 Nova, Apollo, Omega radiator overflow jar.
- Constructed from high-grade, durable plastic for longevity.
- Features correct FULL HOT and FULL COLD lines for accurate coolant level reference.
- Includes original-style GM part number and mounting tabs.
- Comes with lower mounting clip for proper fitment.
- Restores factory appearance and function in the engine bay.
Technical Information:
- Fits 1973-74 Chevrolet Nova models.
- Direct OEM-style replacement – no modifications required.
- Precision injection-molded to match original dimensions.
- Overflow jar cap available separately (340194).
Buick Applications
- 1973 – 1974 Buick Apollo
Chevrolet Applications
- 1973 – 1974 Chevrolet Nova Base
- 1973 – 1974 Chevrolet Nova Custom
Oldsmobile Applications
- 1973 – 1974 Oldsmobile Omega









