LS part swap list?

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Joined
Dec 5, 2024
Threads
10
Messages
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Location
Denver, CO
Howdy y'all, I just picked up a 5.3 LY5 V8, IV from 2003. It is a full motor, but it has a flex plate and some old accessory drives that I need to replace. Does anyone have a list from doing the same swap that they can share? I need a flywheel, bellhousing adapter, motor mounts, wiring harness, and fuel and ignition system + power steering adapter, AC compressor, and alternator. There is definitely some stuff missing and this is my first ever engine swap so any help is appreciated.
 
BP harness, OEM GM Stuff on accessories, delete AFM/DOD immediately.

I like @cruisermatt 's motor mounts and LS swap parts. He has all the adapters you need. 60 Series LS Swap Parts - https://cruisermatts.com/collections/60-series-ls-swap-parts

Dubs has a nice parts list from his swap also

 
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I'll second the BP Automotive Harness and get in touch with @cruisermatt. He was an invaluable parts and knowledge resource for me and definitely made getting most of the parts I needed pretty easy. There are a ton of good threads you can read to get a better idea of what an LS swap entails - here are a few in addition to Dubs2017's:




 
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