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Four Seasons 58621 A/C Compressor
Overview of Four Seasons New Compressor 58621
The Four Seasons New Compressor 58621 is designed for reliable air conditioning system performance in vehicles requiring R134a refrigerant. This A/C compressor includes a clutch and is engineered to meet specific OEM specifications, ensuring compatibility with various automotive HVAC systems.
- Compatible with R134a refrigerant and Pag 46 oil
- Includes oil pre-filled for immediate use
- Features a 2-groove serpentine pulley with a 5.25-inch diameter
- Equipped with a bullet-type terminal and 12V coil voltage
- Ear mount installation type with precise clutch-to-mounting flange distance
- Includes clutch assembly and green O-rings for sealing
- Compressor type: TM15HD, suitable for York-diesel Kiki-Zexel-Seltec systems
Four Seasons New Compressor Product Line Details
The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to restore factory A/C performance. The New Compressor 58621 is part of this line, providing a complete compressor assembly with clutch and oil included, engineered to meet or exceed original equipment standards for durability and fitment.
Technical Specifications and Features
This A/C compressor is pre-filled with the compatible Pag 46 refrigerant oil and designed for use with R134a refrigerant systems. The pulley features two grooves and a serpentine belt type, with a diameter of 5.25 inches (133.35 mm), ensuring proper belt alignment and tension. The clutch included has a maximum diameter of 5.25 inches and a coil voltage of 12 volts with a single wire lead coil clock position. The compressor mounts via an ear mount system with a clutch-to-mounting flange distance of approximately 0.953 inches, providing precise fitment. The suction port uses O-ring seals (#8 and #10 green O-rings included) to maintain system integrity. Terminal connections are bullet type for secure electrical engagement.
Common Applications and Problem Resolution
- Replacement for failed or leaking A/C compressors in vehicles using R134a refrigerant
- Restores proper clutch engagement and compressor operation
- Solves issues related to worn pulley grooves or belt slippage
- Addresses refrigerant oil contamination or depletion problems
- Resolves compressor noise or failure due to internal wear
Installation Notes and Tips
Installation requires the use of original equipment manifold tools and proper handling of refrigerant lines. Mounting hardware is not included and must be sourced separately. Ensure the system is evacuated and recharged with the correct amount of R134a refrigerant and Pag 46 oil. Verify electrical connections match the bullet terminal type and coil voltage is compatible with the vehicle’s electrical system. Proper belt alignment on the 2-groove serpentine pulley is critical for optimal performance.
Quality Assurance and Warranty
The Four Seasons New Compressor 58621 is a new, factory-quality replacement part designed to meet OEM standards. It includes pre-filled oil and necessary O-rings for sealing. While specific warranty details vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 58621 |
| Refrigerant Type | R134a |
| Compatible Refrigerant Oil Type | Pag 46 |
| Oil Filled | Included |
| Pulley Groove Quantity | 2 |
| Terminal Type | Bullet |
| Distance From Clutch To Mounting Flange | 0.953125 |
| Clutch Maximum Diameter | 5.250 |
| Clutch Included | Included |
| Coil Clock Position | 1 wire lead |
| Compressor Type | Tm15hd |
| Coil Voltage | 12 |
| Pulley Belt Type | Serpentine |
| Mounting Type | Ear mount |
| Pulley Lip Diameter | 5.250 |
| Pulley Ridge Diameter | 5.250 |
| Belt Width IN | 0.500 |
| Mount Distance B IN | 1.546875 |
| Mounting Hardware? | Not included |
| New or Reman | New |
| O-Ring A Number/Desc | [24608] / green o-ring |
| O-Ring A Quantity | 1 |
| O-Ring B Number/Desc | [24610] / green o-ring |
| O-Ring B Quantity | 1 |
| Printed Foot Note | May require use of o.e. manifold |
| Pulley Diameter MM | 133.350 |
| Suc Prt Typ Note | #8 and #10 |
| Suction Port Type | O-ring |
| Type | York-diesel kiki-zexel-seltec |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.