Four Seasons
PAC-Kit w/ New Compressor

Four Seasons 3751N A/C Compressor and Component Kit - Front and Rear

Brand Four Seasons 3751N
Position Front and Rear
Product line PAC-Kit w/ New Compressor
Fits Ford · 2 vehicles

PAC-Kit with new compressor. Complete A/C compressor kit for a straightforward replacement.

A/C compressor kit for restoring cooling performance.

$383.68Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $383.68
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons PAC-Kit w/ New Compressor for Explorer Sport Trac

Four Seasons Part Number 3751N is an A/C compressor kit for select 2004-2005 Ford Explorer Sport Trac models with a scroll compressor. It is built for front and rear HVAC applications and supports a complete air conditioning service approach for this vehicle platform.

Key Features

  • Four Seasons PAC-Kit w/ New Compressor
  • Part Number: 3751N
  • Fits 2004-2005 Ford Explorer Sport Trac, front and rear
  • For vehicles equipped with a scroll compressor
  • Includes OE-style service components referenced for this application: compressor, accumulator, orifice, expansion valve, flush, and oil specifications

Detailed Description

This Four Seasons A/C compressor kit is cataloged for 2004-2005 Ford Explorer Sport Trac models and is identified by part number 3751N. The PAC-Kit w/ New Compressor line is organized as a vehicle-specific air conditioning service solution, making it easier to match the compressor and related HVAC service parts to the correct application. If you are searching for a 2004 Ford Explorer Sport Trac A/C compressor kit or a 2005 Ford Explorer Sport Trac HVAC compressor replacement, this listing matches that fitment.

This part cross-references OE-style service numbers for the same application, including 78542 and 83014.

Common Issues This Part May Address

  • Loss of A/C cooling output
  • Noisy or seized compressor operation
  • Refrigerant circulation problems in the HVAC system
  • Incorrect compressor match on a scroll-compressor Explorer Sport Trac
  • Service needs tied to front and rear climate control performance

Installation Notes and Tips

Verify that the vehicle is a 2004-2005 Ford Explorer Sport Trac with a scroll compressor before ordering. Confirm the existing system configuration against the listed notes, including the compressor, accumulator, orifice, expansion valve, flush, and oil references shown for this application. Proper evacuation, flushing, and refrigerant service procedures should be followed during installation.

Quality Assurance

Four Seasons is a recognized HVAC parts brand, and the PAC-Kit w/ New Compressor line is built around application-specific cataloging for accurate part selection. Part Number 3751N is listed for direct vehicle fitment on the specified Explorer Sport Trac models.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005FordExplorer Sport TracFront and Rearw/ Scroll Compressor; 78542 (New Compressor), 83014 (Accum), 38635 (Orifice), 39148 (Exp Valve), 69991 (Flush Qty.2), 59007 (Oil Qty.2); PAC-Kit w/ New Compressor
2004FordExplorer Sport TracFront and Rearw/ Scroll Compressor; 78542 (New Compressor), 83014 (Accum), 38635 (Orifice), 39148 (Exp Valve), 69991 (Flush Qty.2), 59007 (Oil Qty.2); PAC-Kit w/ New Compressor