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Hi
Does anyone know the part number to the heater core hose on the passenger side at the bottom i know they connect to the engine
 

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2004 chevy trailblazer_lt
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Since there are a couple of variants involved, go to GM Parts Online - Buy OEM GM Parts direct and save up to 40% and put in your vehicle's information, then go through the heating and cooling section and match what you have to the diagrams and then get the part number. That is the easiest and best way.

Good Luck!
 

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2006 Envoy SLE 2WD. Dark green w/ black leather interior.
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25 Posts
Since there are a couple of variants involved, go to GM Parts Online - Buy OEM GM Parts direct and save up to 40% and put in your vehicle's information, then go through the heating and cooling section and match what you have to the diagrams and then get the part number. That is the easiest and best way.

Good Luck!
The Dorman 800-403 is the 5/8" connector. We abandoned the quick connection and went straight on the heater core nipple on with a Gates 5/8" hose and 2 clamps....reused the heat shield sleeve....works fine.
 
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