2001 Nissan pathfinder heater core

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
Navin1192
Posts: 1
Joined: Sun Mar 09, 2025 12:04 pm
Car: 2001 Nissan Pathfinder

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Hey guys I finally got my heater core out and I am having trouble locating one. The dealer discontinued the heater core. I was able to find an aftermarket one but not the tubes and the aftermarket has screw in tubes where as my factory looks like a one piece . Can anyone help please I’d definitely appreciate it


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VStar650CL
Technical Expert
Posts: 11927
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

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The ones I see online are all tubeless, but there may be a "service file" associated with the part that gives numbers for needed tubes and hardware. I can't check that from here at home, but take your VIN to any dealer parts department and they can look it up for you. Even if it's discontinued, the service file should still be in the system.

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mdmellott
Posts: 1269
Joined: Mon Sep 02, 2019 3:32 pm
Car: '13 Kia Soul+ 2.0L AT
'02 Pathfinder SE 3.5L AT P/4WD
Location: SF Bay Area, CA

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Navin1192 wrote:
Sun Mar 09, 2025 6:08 pm
Hey guys I finally got my heater core out and I am having trouble locating one. The dealer discontinued the heater core. I was able to find an aftermarket one but not the tubes and the aftermarket has screw in tubes where as my factory looks like a one piece . Can anyone help please I’d definitely appreciate it
It looks like the OE type of core with the already attached tubes are no where to be found for our R50 models. The screw on attached tubes are available as a Dorman product but they are kind of pricey. https://www.amazon.com/Dorman-902-099-H ... B00FQJUZK0

You could return what you bought and purchase a complete assembly much cheaper. https://www.amazon.com/Replacement-2001 ... B0D56Z9WFK

Neither option looks to be plug-n-play. The original core tubes were shaped to meet up with the hoses from the engine. These aftermarket options may not be a direct fit so there may be additional hoses and fitting connections needed.


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