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Thread: Motorcraft sp432 vs. agsf32fm

  1. #1
    I post a lot... porschpow's Avatar
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    Default Motorcraft sp432 vs. agsf32fm

    I need to change the plugs on my 97 ltc, what's the difference between the two (sp432 and agsf32fm)?
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  2. #2
    Road Warrior Kodachrome Wolf's Avatar
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    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.

  3. #3
    Wagon Addicted Tiggie's Avatar
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    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.
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    Double posted threads merged. Carry on.

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  5. #5
    I'm an air-conditioned gypsy gadget73's Avatar
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    yeah, sales number vs OE part number. Box plugs are that way too. AWSF42C is what is on the plug, the box says SP419.

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  6. #6
    I post a lot... porschpow's Avatar
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    Thank you all! It's funny because rockauto has the same plug, but two different prices.
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    -1973 Volkswagen Bus Westy
    -1986 Honda Magna 700cc
    -1989 Lincoln Town car Signature Series
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