SKU
55-331221-1
Alt #:
55-10508

El Camino AC Delco, Radiator Filler Cap, 1978-1987

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$10.99 Each
Product Details
Restoration Correct Original AC Delco Part Correct F... View More
Availability: Out of stock
  • Restoration Correct
  • Original AC Delco Part
  • Correct Fit And Finish
  • With Turning Ears
  • Fits V6 And V8 Engines
  • Made In USA
The radiator cap on your 1978-1987 El Camino can fail due to wear and fatique, replace it with this original AC Delco part from The El Camino Store. The radiator cap actually increases the boiling point of your coolant by about 45 F (25 C). How does this simple cap do this? The same way a pressure cooker increases the boiling temperature of water. The cap is actually a pressure release valve, and on cars it is usually set to 15 psi. The boiling point of water increases when the water is placed under pressure.When the fluid in the cooling system heats up, it expands, causing the pressure to build up. The cap is the only place where this pressure can escape, so the setting of the spring on the cap determines the maximum pressure in the cooling system. Replace your 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, El Camino radiator cap before it fails. Trust The El Camino Store for all your parts needs.

El Camino Radiator Filler Cap, AC Delco, 1978-1987


Combined Cancer/Birth Defect
WARNING This product can expose you to chemicals including Cadmium which is known to the State of California to cause cancer on birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov
More Information
Base Part Number 331221
Alt. # 55-10508
Brand N/A

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Make / Model Series Body Notes Year
Make / Model Chevrolet El Camino Series Body Notes Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Chevrolet El Camino Series Body Notes El Camino, Black Knight Pickup Delivery Year 1978
Make / Model Chevrolet El Camino Series Body Notes El Camino, Choo Choo Custom Pickup Delivery Year 1983, 1984, 1985, 1986, 1987
Make / Model Chevrolet El Camino Series Body Notes El Camino, Conquista Pickup Delivery Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Chevrolet El Camino Series Body Notes El Camino, Pickup Delivery Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Chevrolet El Camino Series Body Notes El Camino, Royal Knight Pickup Delivery Year 1979, 1980, 1981, 1982, 1983
Make / Model Chevrolet El Camino Series Body Notes El Camino, Super Sport (SS) Pickup Delivery Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model GMC Series Body Notes Year 1978, 1979, 1980, 1981, 1982
Make / Model GMC Caballero Series Body Notes Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Gmc Caballero Series Body Notes GMC, Caballero Amarillo Pickup Delivery Year 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Gmc Caballero Series Body Notes GMC, Caballero Pickup Delivery Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Make / Model Gmc Diablo Series Body Notes GMC, Diablo Pickup Delivery Year 1978, 1979, 1980, 1981, 1982
Make / Model Gmc Laredo Series Body Notes GMC, Laredo Pickup Delivery Year 1978, 1979, 1980, 1981
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