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Discussion Starter · #1 ·
Does anybody know the part number for this pipe right here. It's what connects from the quick disconnect from the heater valve to the engine.

Plant Automotive tire Hood Grass Fender
 

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2002 chevy trailblazer_lt
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Here are a few places to look. Since the year and engine were not given you may have to poke around here a bit...



 

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2004 chevy trailblazer_lt
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Your best bet is to go to www.wholesalegmpartsonline.com enter your vehicle information and then look at the diagrams under heating and cooling. That way you can navigate and compare RPO numbers, engine size, etc. and get the correct part.

73 & Good Luck!
 

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Discussion Starter · #4 ·
Here are a few places to look. Since the year and engine were not given you may have to poke around here a bit...



Nothing from those pictures looks like it. 2003 EXT LT
 

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Go to the website, select Chevrolet, 2003, TrailBlazer, and then Base. Then there will be buttons for all of the major systems. You will need to go through the various diagrams and look at the descriptions to figure out which ones are for USA versions, export versions, long wheel base TBs, short wheel base TBs, etc. Take your time and make sure you have the required RPO information.

You will run across the right diagram and find the part you are looking for. It might take some time, but once you get familiar with the diagrams, it will get quicker. At the very least, you'll be able to come up with which diagram the part is in, and the number in the diagram for the part. Then you can take that information (if no part number is given below the diagram) to a Chevrolet/GMC or Buick parts counter and they should be able to give you the part number.
 
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