1953-1982 C1-C3 Tower Style Radiator Hose Clamp Wittek GN-42 1-5/16 - OEM Number(s) (9423576)
Secure your radiator hose with a correct tower-style clamp that delivers proper fit, reliable sealing, and factory-correct under-hood appearance.
This Corvette radiator hose clamp is designed for 1953-1982 C1 through C3 models and provides the correct clamping force at hose connections. Proper hose retention is critical for maintaining cooling system pressure and preventing leaks during operation.
This reproduction Wittek GN-42 tower-style clamp is stamped “WITTEK MFG CO, CHICAGO USA” and “1 5/16” to match original markings. It replaces GM reference number 9423576 and offers the correct look and function for restoration or service.
Fits the Following Corvette Models:
C1 Coupes and Convertibles: 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962.
C2 Coupes and Convertibles: 1963, 1964, 1965, 1966, 1967.
C3 Coupes and Convertibles: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982.
Features / Benefits:
• Reproduction Wittek GN-42 tower-style radiator hose clamp
• Fits 1953-1982 C1, C2, and C3 Corvette applications
• Correct 1-5/16" size for proper hose fitment
• Stamped “WITTEK MFG CO, CHICAGO USA” and size marking
• Provides secure clamping force to prevent coolant leaks
• Supports factory-correct under-hood appearance
• Direct replacement for original-style installation
• GM reference part number: 9423576
Material / Finish:
Durable steel clamp construction with correct tower-style design for strength, corrosion resistance, and authentic appearance.
Dimensions:
Clamp size: 1-5/16" (3.3 cm)
Also known under these part numbers: (For reference only)