1963-1974 Expansion Tank to Radiator Hose - OEM Number(s) (3839619)
This hose allows excess coolant to feed back into overflow tank. This the hose that runs from top of radiator to overflow tank, it is under pressure and must be clamped tightly.
- Has "GM" Repeating Blue Logo On Hose
- 36 Inches in Length
Specific Applications:
- 1963-1972 All Small Blocks with Aluminum Radiator
- 1969 427 Big Block with Air Conditioning and Expansion Tank
- 1970-1974 454 Big Block with Air Conditioning and Expansion Tank
Also known under these part numbers: (For reference only)
- 242123
- 3839619
- 686420055778