03 EGR Cooler - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Performance Parts Discussion Discussion of Performance Parts For the 01-04 LB7 Duramax Trucks No Advertising

 
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post #1 of 4 (permalink) Old 09-18-2019, 02:26 PM Thread Starter
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03 EGR Cooler

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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post #2 of 4 (permalink) Old 09-18-2019, 03:59 PM
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Originally Posted by chris09lb7 View Post
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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post #3 of 4 (permalink) Old 09-18-2019, 05:24 PM
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Quote:
Originally Posted by chris09lb7 View Post
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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post #4 of 4 (permalink) Old 09-19-2019, 02:16 PM Thread Starter
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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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