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Posted

I have a 2018 Silverado 5.3 and considering swapping to a 6.2 in the future. My question is if I find a 2016-2018 6.2 engine will the engine wire harness be the same as my 5.3 or is it totally different. Thanks

Posted

As far as I know it will all be the same. Pretty sure only the 2014-2015 have a different connector/harness for the high pressure fuel pump.

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