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4.8/5.3 crankshaft casting number

Old 07-15-2012, 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; 07-15-2012 at 12:09 PM.
Old 07-15-2012, 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.
Old 07-15-2012, 12:11 PM
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yes is 09 or 2010 gen IV
Old 07-15-2012, 12:31 PM
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and the block is VVT.
Old 07-15-2012, 02:24 PM
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That casting number is a 4.8.
Old 07-16-2012, 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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