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I have a 2003 Lesabre that the front trans mount broke off and exposed the insides. I can get a 1999 Lesabre but will I be able to do the swap? Both engines have 3800 Series 2 on the engine cover but they look just a bit different. Would it be easier to swap engine/trans or just the trans? I don't have much more info at the moment but can get anything you need.

Thanks for the help
 

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Transmission electronics and oil cooler connections changed across those years. You'll want to find a closer match to make life simple. Engines are nearly identical aside from some tweaks to brackets and accessories.

Car-part.com will show junkyards around the country that have closely matched parts, and they usually restrict listings very close to your entry to ensure they don't get returns for things like that not working due to wiring changes across models/years, etc.
 
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