HomeHVAC > A/C Clutch and CompressorFour Seasons 158312 A/C Compressor
Part #: 158312

Four Seasons 158312 A/C Compressor

New Compressor
11 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
Fitment: Cadillac, CTS
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Overview of Four Seasons New Compressor 158312

The Four Seasons New Compressor 158312 is designed specifically for Cadillac CTS models requiring a reliable HVAC component. This A/C compressor supports R134a refrigerant and comes oil filled with compatible Pag 46 refrigerant oil, ensuring optimal performance and longevity.

  • Compatible refrigerant type: R134a
  • Includes oil filled with Pag 46 refrigerant oil
  • 6-groove serpentine pulley for efficient belt engagement
  • 12-volt coil with 1 wire lead terminal type (pin)
  • Includes clutch with a maximum diameter of 4.25 inches
  • Tangent mount type with a 27 mm mount distance
  • Discharge and suction ports use O-ring seals for secure connections
  • Compressor type: 10sr15h Nippondenso
  • Includes green O-rings (part numbers 24681 and 24661)

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new, direct replacement compressors engineered to meet or exceed original equipment specifications. This product line focuses on delivering reliable HVAC performance with included components such as clutches and oil, reducing the need for additional parts during installation. The 158312 model exemplifies this approach by providing a complete compressor solution for Cadillac CTS vehicles.

Technical Description and Features

This Four Seasons A/C compressor 158312 is designed for the Cadillac CTS and features a 6-groove serpentine pulley with a diameter of approximately 108 mm (4.25 inches), ensuring compatibility with factory belt systems. The clutch assembly is included and has a maximum diameter of 4.25 inches, with a coil voltage rating of 12 volts and a pin-type terminal for electrical connection. The compressor uses R134a refrigerant and is pre-filled with Pag 46 oil, which is compatible with the system's requirements. The mounting type is tangent mount with a 27 mm mount distance, and the discharge and suction ports utilize O-ring seals for leak prevention. Note that mounting hardware is not included, and installation may require the use of the original equipment manifold.

Applications and Common Issues Addressed

  • Replacement for failed or leaking A/C compressors in Cadillac CTS models
  • Resolves insufficient cooling due to compressor clutch failure
  • Addresses refrigerant leaks from worn or damaged compressor seals
  • Fixes noisy or seized compressor operation affecting HVAC performance
  • Restores proper belt alignment and engagement with the 6-groove pulley design

Installation Notes and Tips

  • Verify compatibility with your specific Cadillac CTS model year before installation
  • Use original equipment mounting hardware or source appropriate fasteners as they are not included
  • Ensure the system is evacuated and recharged with R134a refrigerant and Pag 46 oil as specified
  • Check clutch coil wiring and terminal connections for secure fitment
  • May require use of the original equipment manifold for proper installation

Quality Assurance and Warranty

The Four Seasons New Compressor 158312 is a new, direct replacement part manufactured to meet OEM standards. It includes essential components such as the clutch and oil to facilitate installation and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.

BrandFour Seasons
Part Number158312
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter4.250
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePAG 46
Compressor Type10SR15H
Discharge Port TypeO-Ring
Distance From Clutch To Mounting Flange1.046875
Mount Distance MM27.000
Mounting Hardware?Not Included
Mounting TypeTangent Mount
New or RemanNew
O-Ring A Number/Desc[24681] / Green O-Ring
O-Ring B Number/Desc[24661] / Green O-Ring
Oil FilledIncluded
Printed Foot NoteMay Require use of OE Manifold
Pulley Belt TypeSerpentine
Pulley Diameter MM107.950
Pulley Groove Quantity6
Pulley Lip Diameter4.250
Pulley Ridge Diameter4.250
Refrigerant TypeR134a
Suction Port TypeO-Ring
Terminal TypePin
TypeNippondenso

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014CadillacCTS3.0LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2013CadillacCTS3.0LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2013CadillacCTS3.6LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2012CadillacCTS3.0LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2012CadillacCTS3.6LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2011CadillacCTS3.0LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2011CadillacCTS3.6LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2010CadillacCTS3.0LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2010CadillacCTS3.6LV6N/Aw/ 10SR15H Compressor; New w/ Clutch; New Compressor
2009CadillacCTS3.6LV6N/Aw/ 10S17C Compressor; New w/ Clutch; New Compressor
2008CadillacCTSN/Aw/ 10S17C Compressor; New w/ Clutch; 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:

140445NC152168515831220220912022091AM20845425865635273612471071864838765125597512559A73612AC1208454CO21685CCO21685GCO21685SCT158312

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