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1961-1972 Corvette C1-C3 Radiator Expansion Tank Hose Clamp Set 111607

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Item ID: 670-345
GM Part #: 111607
Availability: In Stock - Ships today if ordered by 3 PM CT
Only 1 Left, Order Soon!
Fits Years:
  • 1961-1962
  • 1963-1967
  • 1968-1972
$8.99
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1961-1972 C1-C3 Radiator Expansion Tank Hose Clamp Set 111607 - OEM Number(s) (111607)

Secure Your Expansion Tank Connections with Confidence
Restore proper coolant flow and prevent leaks with our 1961–1972 Corvette Radiator Expansion Tank Hose Clamps. These reproduction clamps are sized and styled to fit the short hose connecting the radiator to the expansion tank—an often-overlooked area where incorrect hardware can cause pressure loss or unsightly appearance. Featuring slotted band construction and correct plating, they’re ideal for restorers and weekend drivers alike.

Features
• Fits all 1961–1972 Corvettes with expansion tank
• Correct for radiator-to-expansion tank hose connection
• Includes 2 matching clamps (sold as a pair)
• Replaces original GM part number 111607
• Adjusts from 1/2" to 3/4" diameter range
• 3/8" wide band with proper screw tension

Dimensions and Weight
• Band Width: 3/8"
• Adjustable Range: 1/2" minimum to 3/4" maximum
• Material: Zinc-plated steel

Because Details Matter
From NCRS builds to weekend cruisers, using the right hose clamps is a subtle but important part of cooling system reliability. These reproduction clamps offer period-correct appearance, secure fit, and peace of mind for your Corvette’s radiator-to-tank connection.

Also known under these part numbers: (For reference only)

  • 111607
  • 12511111
  • 22-11a
  • 242122
  • 4166920
  • 686420093046
  • CL108
  • M-3316
  • m3542
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