Four Seasons A/C Compressor Kit P/N:8403NK
Four Seasons 3553NK front rear A/C compressor mount and drive kit for the 2003-2005 Ford Explorer and other vehicles replaces the compressor along with the parts that go with it. The compressor is the pump that circulates refrigerant through the A/C system.
Warm air from the vents, a grinding or squealing noise with the A/C on, or oily residue around the compressor can mean it is failing. Before you replace it, rule out a low refrigerant charge, a blown fuse or relay and a slipping belt, since each can cause similar symptoms. The A/C system has a single compressor, so one kit covers a vehicle.
This kit is a direct-fit replacement for the 2003-2005 Ford Explorer, the 2003-2005 Mercury Mountaineer and the 2003 Ford Explorer Sport Trac.
Fit and size
Build and materials
One new compressor, an accumulator or filter drier, an expansion device, compressor oil, and the gaskets and O-rings.
Interchange: 520425 · 9633468 · 9633474 · KT1691 · KT6201
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Does the Four Seasons 3553NK A/C compressor kit fit the 2003 Ford Explorer Sport Trac?
Yes. The Four Seasons 3553NK kit fits the 2003 Ford Explorer Sport Trac.
What comes in the 3553NK kit besides the compressor?
The kit adds an accumulator or filter drier, an expansion device, compressor oil, and the gaskets and O-rings.
What refrigerant does this A/C compressor mount and drive kit use?
This kit is listed for R134A refrigerant, and its compressor has a 6-groove pulley.
What signs can mean the compressor in this A/C kit is failing?
Warm air from the vents, a grinding or squealing noise with the A/C on, or oily residue around the compressor can mean it. A shop can test the system's pressures.
Does the Four Seasons 3553NK kit replace number KT1691?
Yes. KT1691 is one of the numbers the Four Seasons 3553NK kit interchanges with, along with 520425 and 9633468.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.