1973-1982 C3 ACDelco Radiator Cap 25661994 - OEM Number(s) (25661994)
Our 1973-1982 Corvette Radiator Cap is a high quality replacement from AC Delco. Cap is for pressurized systems.
Cap is marked: Never Open Hot Check Level in Bottle TVS RC33 15lb Closed System Align Arrow & Vent Tube. Center label states Pressurized System.
- ACDelco RC81 15#
- Stamped RC33 by Delco as a Superseded Part Number
- Stamped Aluminum
- Cap Measures 2-3/16 Diameter by 1 Inch Height
Also known under these part numbers: (For reference only)
- RC81
- 036666944921
- 243037
- 25661994
- RC81