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Motorcraft sp432 vs. agsf32fm

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    Motorcraft sp432 vs. agsf32fm

    I need to change the plugs on my 97 ltc, what's the difference between the two (sp432 and agsf32fm)?
    "To Find yourself, you must first lose yourself"

    -1973 Volkswagen Bus Westy
    -1986 Honda Magna 700cc
    -1989 Lincoln Town car Signature Series
    -2011 Subaru Outback

    #2
    I think one is a stock number. The boxes typically have the extra information on them. It’s similar to how Champion and others do it, like a RC12YC Champion plug will just say 71 on the box.

    Just make sure those are the finewire platinum plugs. Not using the finewire or double platinum means you’ll be swapping plugs again.


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    -1987 Grand Marquis Colony Park LS (325K Miles) - April 2017 + September 2019 POTM Winner
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      #3
      The SP432 lists the AGSF32FM as an alternative part number. I’d venture to say they are the same. Just parts catalog reading here though.
      1990 Country Squire - weekend cruiser, next project
      1988 Crown Vic LTD Wagon - waiting in the wings

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        #4
        Double posted threads merged. Carry on.

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          #5
          yeah, sales number vs OE part number. Box plugs are that way too. AWSF42C is what is on the plug, the box says SP419.
          86 Lincoln Town Car (Galactica).
          5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

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          Originally posted by phayzer5
          I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

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            #6
            Thank you all! It's funny because rockauto has the same plug, but two different prices.
            "To Find yourself, you must first lose yourself"

            -1973 Volkswagen Bus Westy
            -1986 Honda Magna 700cc
            -1989 Lincoln Town car Signature Series
            -2011 Subaru Outback

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