1959-1980 Heater Hose Fitting on Intake Manifold 354301 - OEM Number(s) (354501)
This intake manifold heater hose fitting threads directly into your manifold and keeps coolant flowing where it needs to go, feeding your 5/8" heater hose so your heating system works like it should. It features correct 1/2" NPT threads for a secure, leak-free fit, just like GM intended. Whether you’re freshening up a driver or dialing in a proper restoration, this fitting helps maintain consistent engine temperature and reliable cabin heat.
- Fits 1959-1980 Corvette small blocks
- Intake manifold heater hose nipple for 5/8" heater hose
- 1/2" NPT threads for proper, secure installation
- Helps maintain correct coolant flow and reliable heater performance
- Direct replacement for GM 354501
Also known under these part numbers: (For reference only)