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    Old Air Products

    Caps, R12 AC Service Port, Plastic

    Vehicle Specific fits 31 models
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    Part# CH31751
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    Protect your AC service ports Available for R-12 or R-134A applications

    Keep dirt and debris out of your AC service ports with these caps from OPGI. Available in several configurations, the caps will work with applications containing either R-12 or R-134A refrigerant. Sold per pair.


    WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

    Vehicle Fitment

    Make & Model Year Range Application Details
    Buick Grand National 1982 R-12, plastic
    Buick Grand National 1984-1987 R-12, plastic
    Buick Regal 1978-1987 R-12, plastic
    Buick Riviera 1963-1976 R-12, plastic
    Buick Skylark 1961-1972 R-12, plastic
    Buick T-Type 1983-1987 R-12, plastic
    Cadillac 60 Special 1938-1953 R-12, plastic
    Cadillac Calais 1940-1964 R-12, plastic
    Cadillac DeVille 1954-1993 R-12, plastic
    Cadillac Eldorado 1953-1993 R-12, plastic
    Cadillac Fleetwood 1954-1993 R-12, plastic
    Cadillac Series 60 1939-1951 R-12, plastic
    Cadillac Series 61 1939-1951 R-12, plastic
    Cadillac Series 62 1940-1964 R-12, plastic
    Cadillac Series 63 1939-1951 R-12, plastic
    Cadillac Series 65 1940-1964 R-12, plastic
    Cadillac Series 70 1936-1953 R-12, plastic
    Cadillac Seville 1976-2004 R-12, plastic
    Chevrolet Chevelle 1964-1977 R-12, plastic
    Chevrolet Corvair 1960-1969 R-12, plastic - Corvair
    Chevrolet Corvair 95 FC 1961-1965 R-12, plastic - Corvair
    Chevrolet El Camino 1964-1988 R-12, plastic
    Chevrolet Malibu 1978-1983 R-12, plastic
    Chevrolet Monte Carlo 1970-1988 R-12, plastic
    Oldsmobile Cutlass 1961-1977 R-12, plastic
    Pontiac Bonneville 1959-1977 R-12, plastic
    Pontiac Catalina 1959-1977 R-12, plastic
    Pontiac Grand Prix 1962-1977 R-12, plastic
    Pontiac GTO 1961-1973 R-12, plastic
    Pontiac LeMans 1961-1973 R-12, plastic
    Pontiac Tempest 1961-1973 R-12, plastic
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    Caps, R12 AC Service Port, Plastic
    Holley Caps, R12 AC Service Port, Plastic