1976-1982 C3 Radiator Isolator Cushion Upper - Lower 2 Inch Core 379932 - OEM Number(s) (379932)
Secure your 2″ core brass radiator properly and protect it from vibration and wear with this upper or lower radiator isolator cushion for 1976 late through 1982 Corvettes. Designed for cars without air conditioning or heavy-duty cooling, this rubber mounting pad fits into either the upper or lower brackets attached to the radiator support. Whether you're servicing your original system or installing a replacement radiator, this cushion restores factory fit and function for small block cars with standard cooling.
Features
• Fits upper or lower radiator mounting brackets
• Designed for 2″ thick standard brass radiator cores
• Molded rubber construction for vibration isolation
• Measures 4″ long x 3/8″ thick with 2″ seat opening
• Sold individually
Dimensions and Fitment
• Fits 1976 (late)–1982 Corvette (C3) without A/C or HD radiator
• Four cushions required per Corvette
• Correct for models using single fan shroud/radiator bracket
Tech Notes
• GM Part Number: 379932
• Made in the USA
• Four required per Corvette—two upper, two lower
• Used exclusively with small block Corvettes without air conditioning or heavy-duty radiator
• Used on 1976 late Corvettes. These cars used a single bracket that mounted both the radiator and fan shroud.
• Not used on early 1976 Corvettes, which featured separate brackets for the radiator and shroud mount.
Because Details Matter
Even the smallest component can make the biggest difference in reliability. These radiator isolator cushions keep your core properly centered and shielded from frame vibration—ensuring long service life and stable temperature control under load.
Also known under these part numbers: (For reference only)
- 22952
- 3170
- 379932
- 686420070962