- Correct Reproduction
- Correct font and markings on top of cap
- Round ear shape is exact
- Made with superior parts
- Won’t corrode in your radiator like others
- Holds correct 15 pounds of pressure unlike others
- Replaces original GM part # 6410456, 861042 & 861050
- Please see below for specific applications
RC-15 AC radiator cap correct for all 57 up to 1972 (except Corvair and coolant recovery). Superior quality, manufactured from original OE specification materials. Others use cheap, inferior materials ensuring premature failure from corroded metals. Our reproduction actually holds rated pressure, others release as low as 5psi! Faithful reproduction, including correct text and exact ear shape.
Officially Licensed GM Restoration Parts.