HomeHVAC > A/C Clutch and CompressorFour Seasons 58166 A/C Compressor
Part #: 521-180

Four Seasons 58166 A/C Compressor

New Compressor
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New Compressor
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Reliable A/C Compressor for Ford Focus Vehicles

The Four Seasons New Compressor 58166 is designed specifically for Ford Focus models requiring an efficient and durable A/C compressor. Engineered to work with R134a refrigerant and compatible with Pag 46 oil, this compressor ensures optimal air conditioning performance in your vehicle.

  • Compatible Refrigerant: R134a
  • Includes Oil Filled with Pag 46 compatible refrigerant oil
  • 6-groove serpentine pulley for reliable belt engagement
  • Pin-type electrical terminal for secure connection
  • Comes with clutch included, clutch max diameter 5 inches
  • 12-volt coil voltage with coil clock position at 6 o'clock
  • Tangent mount type with block mount suction and discharge ports
  • Includes two green O-rings (part number 24632) for proper sealing
  • Designed specifically for Ford Focus fitment

About the Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, factory-quality compressors designed to meet or exceed original equipment specifications. This product line focuses on delivering reliable HVAC components that integrate seamlessly with vehicle systems. The 58166 model is part of this line, providing a direct replacement compressor for Ford Focus vehicles that require a new, oil-filled FS10 type compressor with included clutch and mounting hardware compatibility.

Detailed Product Description

This Four Seasons A/C compressor features a 6-groove serpentine pulley with a 5-inch diameter and 0.875 inch (22.225 mm) belt width, ensuring proper belt alignment and tension. The clutch assembly is included and measures 5 inches in maximum diameter, with a 1.703125 inch distance from clutch to mounting flange, facilitating straightforward installation. The compressor uses a tangent mount style with block mount suction and discharge ports, designed for secure and leak-free connections. The coil operates at 12 volts and is positioned at the 6 o'clock clock position for compatibility with Ford Focus electrical systems. Two green O-rings (part number 24632) are included to ensure proper sealing of the refrigerant system.

Common Applications and Issues Addressed

  • Replacement for faulty or worn-out A/C compressors in Ford Focus vehicles
  • Restores proper air conditioning cooling performance
  • Eliminates compressor clutch engagement problems
  • Resolves refrigerant leaks due to damaged seals or O-rings
  • Addresses pulley or belt slippage issues related to compressor wear

Installation Notes and Tips

  • Ensure compatibility with Ford Focus model year and engine specifications before installation
  • Use the included oil and O-rings to maintain system integrity and prevent leaks
  • Verify serpentine belt condition and replace if worn to ensure proper pulley operation
  • Check electrical connections for secure pin-type terminal engagement
  • Mount compressor using tangent mount points and torque to manufacturer specifications

Quality Assurance and Warranty

The Four Seasons New Compressor 58166 is a brand-new, oil-filled compressor designed to meet OEM standards for durability and performance. While mounting hardware is not included, the compressor comes with all necessary internal components such as the clutch and O-rings. Four Seasons products typically include a limited warranty covering defects in materials and workmanship; please refer to the product documentation for specific warranty details.

BrandDorman
Part Number521-180
PositionNew Compressor
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypePress In
Ball Joint Stud TypeThreaded
Ball Joint Thread Diameter14
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorBlack
Control Arm MaterialSteel
Control Arm Maximum Length237
Control Arm Maximum Width288.5
Control Arm TypeCasting/Forged
Grade TypeRegular
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Mounting Hole Diameter12.3 mm
Mounting Hole Quantity1
Package ContentsControl Arm and Ball Joint Assembly
Pre-GreasedYes
Suspension Grade TypeLight

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordFocus2.0LL4N/Aw/ FS10 Compressor; New w/ Clutch; 6 O'Clk Coil; New Compressor
2003FordFocus2.0LL4N/Aw/ FS10 Compressor; New w/ Clutch; 6 O'Clk Coil; 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:

101-6455151600426059254CB80034545241LA0A622.42084CA846BCMS30115FA4943GS30115JTC2630RK620649SRK620649TC5320

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