1964-1972 C2-C3 ACDelco Radiator or Expansion Tank Cap RC26 15# - 6410206 - OEM Number(s) (6410206)
Restore Cooling System Pressure with Confidence
Ensure proper cooling system operation with our 1964–1972 Corvette ACDelco RC26 Radiator or Expansion Tank Cap. This 15-pound pressure cap is correct for use on all C2 and early C3 models equipped with brass/copper radiators and/or expansion tanks. Precision-built by ACDelco, it maintains factory sealing pressure to protect your engine from overheating and fluid loss.
Features
• Fits 1964–1972 Corvettes with brass/copper radiators
• Direct replacement for factory GM part number 6410206
• 15# pressure rating – stamped “RC-26 / 15#”
• Compatible with radiator neck or expansion tank use
• Copper core, plated metal housing
• ACDelco OE-standard quality
Dimensions and Weight
• Diameter: 2-3/4"
• Height: 1"
• Weight: 4 oz
• Material: Steel with copper internals
Because Details Matter
Overheating often starts with small issues. Replace aging or incorrect radiator caps with this correct-pressure ACDelco RC26 unit—and maintain the cooling balance your Corvette was designed for.
Also known under these part numbers: (For reference only)
- 036666077384
- 243036
- 25-105057-1
- 6410206
- RC26