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4.8/5.3 crankshaft casting number

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Old Jul 15, 2012 | 11:46 AM
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Default 4.8/5.3 crankshaft casting number

Hi,i buy 5.3 2009 ,and am not sure is 5.3 or4.8, the piston is dish,the heads is 799,the casting number on crank shaft is 12553482 ,thank's
Dom.

Last edited by domchevelle; Jul 15, 2012 at 12:09 PM.
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Old Jul 15, 2012 | 12:09 PM
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crankshaft part # 12553482
are you sure its out of a 09??
all gen IV engines have flat top pistons.
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Old Jul 15, 2012 | 12:11 PM
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yes is 09 or 2010 gen IV
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Old Jul 15, 2012 | 12:31 PM
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and the block is VVT.
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Old Jul 15, 2012 | 02:24 PM
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That casting number is a 4.8.
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Old Jul 16, 2012 | 10:18 PM
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I thought the 4.8's had flat tops?
799 heads? Is the engine aluminum or iron?
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