1966 GMC CK Pickup Radiator Caps

Replacement Radiator Cap
Select Your Submodel
4.6L
5.0L
  • Gates® - Engine Coolant Replacement Radiator Cap
    Gates®Engine Coolant Replacement Radiator Cap
    0
    # mpn1933795
    GMC K1000 / K1000 Pickup / K15/K1500 Pickup 5.0L 1966, Engine Coolant Replacement Radiator Cap by Gates®. Pressure: 13 psi. Type: Optional System. Shell Diameter: 2.33". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.25". Filler Neck...
    Wide range of applications covering all makes and modelsManufactured to meet or exceed OEM specifications in function, form and fit
    $5.34
  • SKP® - Engine Coolant Radiator Cap
    SKP®Engine Coolant Radiator Cap
    0
    # mpn4933874110
    GMC K1000 / K1000 Pickup / K15/K1500 Pickup 5.0L 1966, Engine Coolant Radiator Cap by SKP®. Pressure: 13 psi. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
    High quality at an affordable priceExpertly made from premium materials
    $2.33
  • Gates® - Engine Coolant Safety Release Radiator Cap
    Gates®Engine Coolant Safety Release Radiator Cap
    0
    # mpn1933787
    GMC K1000 / K1000 Pickup / K15/K1500 Pickup 5.0L 1966, Engine Coolant Safety Release Radiator Cap by Gates®. Pressure: 13 psi. Type: Optional System. Shell Diameter: 2.61". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.5". Filler...
    Great design and functionMade from sturdy materials
    $7.85
  • Proform® - Officially Licensed GM Black Engine Coolant Radiator Cap
    Proform®Officially Licensed GM Black Engine Coolant Radiator Cap
    0
    # mpn1422735586
    GMC K15/K1500 Pickup 4.6L 1966, Officially Licensed GM Black Engine Coolant Radiator Cap by Proform®. Pressure: 13 psi. Material: Billet Aluminum. Finish: Black Anodized. To keep your engine cool and improve your vehicle's performance,...
    $35.95
  • Stant® - Engine Coolant Radiator Cap
    Stant®Engine Coolant Radiator Cap
    0
    # 101779114
    GMC K1000 / K1000 Pickup / K15/K1500 Pickup 5.0L 1966, Engine Coolant Radiator Cap by Stant®. Pressure: 13 psi. Type: Optional System. Filler Neck Outside Diameter: 2.13". Filler Neck Inside Diameter: 1.61". Filler Neck Depth: 0.75"....
    Meets Original Equipment specificationsThe SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps
    $4.94 - $6.81


1966 GMC CK Pickup Models
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