HomeHVAC > A/C Clutch and CompressorFour Seasons 4421N A/C Compressor Kit - Front
Part #: 4421N

Four Seasons 4421N A/C Compressor Kit - Front

PAC-Kit w/ New Compressor, Front
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦PAC-Kit w/ New Compressor, Front
🚗Fitment: Toyota, Sienna
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C Compressor Kit for Toyota Sienna

The Four Seasons PAC-Kit w/ New Compressor 4421N offers a complete solution for restoring your Toyota Sienna's air conditioning system. Designed specifically for the Sienna, this A/C compressor kit ensures proper fitment and reliable performance.

Key Features of Four Seasons PAC-Kit w/ New Compressor 4421N

  • Complete A/C compressor kit tailored for Toyota Sienna models
  • Includes a new compressor for efficient cooling performance
  • Part number 4421N ensures exact replacement compatibility
  • Manufactured by Four Seasons, a trusted brand in automotive HVAC parts
  • Designed to meet OEM specifications for durability and fit

Detailed Description of the A/C Compressor Kit

The Four Seasons PAC-Kit w/ New Compressor 4421N is engineered to replace the original A/C compressor in Toyota Sienna vehicles. This kit includes a brand new compressor, providing a reliable and efficient cooling solution. The PAC-Kit product line from Four Seasons is known for combining essential components into one package, simplifying the repair process. This kit is designed to meet the exact specifications required for the Toyota Sienna, ensuring proper operation and longevity of the air conditioning system.

Common Issues Addressed by This A/C Compressor Kit

  • Loss of cooling performance in Toyota Sienna air conditioning
  • Compressor failure or mechanical noise during operation
  • Leaks or damage in the existing compressor unit
  • Inconsistent or intermittent A/C clutch engagement
  • System contamination due to compressor breakdown

Installation Notes and Tips

When installing the Four Seasons PAC-Kit w/ New Compressor 4421N on your Toyota Sienna, ensure the system is properly evacuated and recharged according to manufacturer specifications. Verify that all connections are secure and that the compressor clutch engages correctly. It is recommended to inspect the entire A/C system for leaks or damage before installation to prevent future issues.

Quality Assurance and Warranty Information

Four Seasons products, including the PAC-Kit w/ New Compressor 4421N, are manufactured to meet industry standards for quality and reliability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Refer to the product packaging or Four Seasons documentation for exact warranty terms.

This part fits 9 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2003ToyotaSienna3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2003ToyotaSienna4 Door3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2002ToyotaSienna3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2002ToyotaSienna4 Door3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2001ToyotaSienna3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2001ToyotaSienna4 Door3.0LV6Frontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
2000ToyotaSiennaFrontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
1999ToyotaSiennaFrontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor
1998ToyotaSiennaFrontw/ 10PA17C Compressor; 78318 (New Compressor), 83018 (Filter Drier), 39145 (Exp Valve), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor

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