HomeHVAC > A/C Clutch and CompressorFour Seasons 3781N A/C Compressor and Component Kit - Front and Rear
Part #: 3781N

Four Seasons 3781N A/C Compressor and Component Kit - Front and Rear

PAC-Kit w/ New Compressor, Front and Rear
⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦PAC-Kit w/ New Compressor, Front and Rear
🚗Fitment: Chevrolet and GMC, Express 1500, Express 2500, Express 3500, Savana 1500, Savana 2500, and Savana 3500
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Reliable A/C Compressor Kit for Chevrolet and GMC Vans

The Four Seasons PAC-Kit w/ New Compressor 3781N is designed to restore efficient air conditioning performance in Chevrolet Express and GMC Savana vans. This A/C compressor kit is engineered for direct compatibility with Express 1500, 2500, 3500 and Savana 1500, 2500, 3500 models, ensuring a precise fit and reliable operation.

Key Features of Four Seasons PAC-Kit w/ New Compressor 3781N

  • Complete A/C compressor kit including a new compressor for seamless installation
  • Compatible with Chevrolet Express and GMC Savana 1500, 2500, and 3500 series vans
  • Designed to meet OEM specifications for fit and function
  • Includes clutch and compressor components for a comprehensive HVAC solution
  • Part number 3781N ensures correct identification and fitment

About the Four Seasons PAC-Kit w/ New Compressor Product Line

The PAC-Kit w/ New Compressor product line from Four Seasons provides a convenient all-in-one solution for HVAC system repairs. By combining a new compressor with necessary clutch components, this kit simplifies the replacement process and reduces installation time. The 3781N kit is tailored specifically for Chevrolet Express and GMC Savana vans, offering a reliable option for restoring A/C system functionality.

Detailed Product Description

This A/C compressor kit is engineered to replace worn or failing compressors in Chevrolet Express and GMC Savana vans, covering 1500, 2500, and 3500 models. The Four Seasons 3781N kit includes a new compressor and clutch assembly designed to meet or exceed original equipment standards. Its precise fitment ensures proper alignment and operation within the vehicle’s HVAC system, helping to maintain optimal cooling performance and system reliability.

Common Issues Addressed by This A/C Compressor Kit

  • Loss of air conditioning cooling in Chevrolet Express or GMC Savana vans
  • Compressor clutch failure causing intermittent or no compressor engagement
  • Unusual noises or compressor seizure affecting HVAC system operation
  • Refrigerant leaks or compressor inefficiency leading to poor A/C performance
  • System contamination or wear requiring full compressor replacement

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Express 1500, 2500, 3500 or GMC Savana 1500, 2500, 3500 before installation
  • Follow manufacturer torque specifications and procedures for clutch and compressor mounting
  • Replace or inspect related components such as receiver drier and expansion valve during installation
  • Evacuate and recharge the A/C system with proper refrigerant after installation
  • Verify electrical connections and clutch engagement before completing the job

Quality Assurance and Warranty Information

Four Seasons provides quality-tested HVAC components designed to meet industry standards. The PAC-Kit w/ New Compressor 3781N undergoes rigorous inspection to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier, as terms may vary.

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996ChevroletExpress 15005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 15005.0LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 15004.3LV6Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 25005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 25005.0LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 25006.5LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 25004.3LV6Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 35005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 35006.5LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996ChevroletExpress 35007.4LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 15005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 15005.0LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 15004.3LV6Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 25005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 25005.0LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 25006.5LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 25004.3LV6Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 35005.7LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 35006.5LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor
1996GMCSavana 35007.4LV8Front and Rearw/ HT6 Compressor; 58947 (New Compressor), 33118 (Accum), 38623 (Orifice), 38654 (Exp Valve), 69991 (Flush Qty.2), 59003 (Oil Qty.2); PAC-Kit w/ New Compressor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.