2004 Nissan Xterra 2.4L A/C Compressor Thermal Protector

Forum for the Xterra, Frontier and Hardbody, the smaller workhorses of the Nissan lineup!
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Niti QX4
Posts: 252
Joined: Sun Apr 16, 2017 6:45 am
Car: 2004 Nissan Xterra

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Guys, the A/C compressor thermal protector (mounts on the back of the compressor) is not working. I can't find a part number for this thermal protector. The thermal protector is on page MTC-48 of the Xterra FSM.

MTC48 Excerpt.jpg

Anyone have a part number for this item?


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VStar650CL
Technical Expert
Posts: 11916
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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Those come with the compressor and I'm pretty sure nobody sells them separately. You can wire in something like a KSD301 appliance thermostat glued to the compressor with thermal epoxy. They make those in NC (normally closed) with a 145C operating temperature and about 5C hysteresis, which is very close to the OE spec:
https://www.ebay.com/itm/273117749668


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