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Discussion Starter · #1 ·
Hey y’all. I need to replace my EGR cooler on my 03 duramax.(yes I live in shitty California) are they the same as any other years after mine? Other words, can I buy a 04.5 to whatever and it’ll be the same? I tried looking it up but couldn’t figure it out. Thanks.
 

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Hey y’all. I need to replace my EGR cooler on my 03 duramax.(yes I live in shitty California) are they the same as any other years after mine? Other words, can I buy a 04.5 to whatever and it’ll be the same? I tried looking it up but couldn’t figure it out. Thanks.
It is going to be specific to your engine model(LB7). Later ones will not work, 04.5 is an LLY.
 

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Hey y’all. I need to replace my EGR cooler on my 03 duramax.(yes I live in shitty California) are they the same as any other years after mine? Other words, can I buy a 04.5 to whatever and it’ll be the same? I tried looking it up but couldn’t figure it out. Thanks.
i dont think they interchange. the 4.5+ is a different engine.
 

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Discussion Starter · #4 ·
That’s what I thought. Thanks. I couldn’t find an egr cooler for my year online. It kept showing for an lly. Would I be able to clean the cooler and the egr valve and be good or would it be better to change them for new ones?
 
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