HomeHVAC > A/C Clutch and CompressorFour Seasons 3621R A/C Compressor Kit
Part #: 3621R

Four Seasons 3621R A/C Compressor Kit

PAC-Kit w/ Reman Compressor
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦PAC-Kit w/ Reman Compressor
🚗Fitment: Cadillac, Fleetwood
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons PAC-Kit w/ Reman Compressor 3621R

The Four Seasons PAC-Kit w/ Reman Compressor 3621R is designed specifically for Cadillac Fleetwood models. This A/C compressor kit provides a reliable solution for restoring your vehicle's air conditioning system performance with a remanufactured compressor included.

  • Compatible with Cadillac Fleetwood vehicles
  • Includes remanufactured A/C compressor for efficient cooling
  • Part number 3621R for precise identification
  • Part of the Four Seasons PAC-Kit w/ Reman Compressor product line
  • Designed for HVAC A/C clutch and compressor replacement

Details About the PAC-Kit w/ Reman Compressor Product Line

The PAC-Kit w/ Reman Compressor product line from Four Seasons focuses on providing comprehensive A/C compressor kits that include remanufactured compressors. These kits are engineered to meet the specific requirements of vehicle HVAC systems, ensuring compatibility and performance. The inclusion of a reman compressor helps reduce waste while maintaining functional standards for Cadillac Fleetwood air conditioning repairs.

Product Description and Application

This A/C compressor kit, part number 3621R, is tailored for use in Cadillac Fleetwood models. It addresses the need for a dependable compressor replacement within the vehicle's HVAC system. The remanufactured compressor included in the kit has been tested to meet operational standards, making it suitable for restoring proper air conditioning function. This kit is intended for technicians and vehicle owners seeking a direct-fit replacement part that aligns with the original equipment specifications.

Common Issues Addressed by This A/C Compressor Kit

  • Loss of cooling efficiency in Cadillac Fleetwood air conditioning
  • Compressor failure or mechanical noise during operation
  • Inconsistent or no engagement of the A/C clutch
  • Leaks or pressure loss within the compressor unit
  • HVAC system performance degradation related to compressor faults

Installation Notes and Tips

When installing the Four Seasons PAC-Kit w/ Reman Compressor 3621R, ensure the vehicle is compatible with the part by verifying the make and model as Cadillac Fleetwood. Proper evacuation and recharge of the A/C system are necessary to maintain system integrity. Follow manufacturer guidelines for torque specifications and clutch alignment to ensure optimal performance. It is recommended to inspect related components such as the condenser and receiver/drier during installation.

Quality Assurance and Warranty Information

Four Seasons provides quality assurance for the PAC-Kit w/ Reman Compressor 3621R, with the remanufactured compressor meeting industry standards for durability and function. While specific warranty details are not provided here, Four Seasons typically offers coverage on remanufactured components to support reliability and customer confidence in their HVAC replacement parts.

This part fits 2 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1985CadillacFleetwoodBrougham5.7LV8N/Aw/ R4 Compressor; Compressor w/o Switch; 57221 (Reman Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor
1985CadillacFleetwoodBrougham d'Elegance5.7LV8N/Aw/ R4 Compressor; Compressor w/o Switch; 57221 (Reman Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ Reman Compressor

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