HomeHVAC > A/C Clutch and CompressorFour Seasons 158274 A/C Compressor
Part #: 158274

Four Seasons 158274 A/C Compressor

New Compressor
4 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: Buick, Cascada
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 New Compressor 158274

The Four Seasons New Compressor 158274 is designed specifically for Buick Cascada models requiring reliable HVAC performance. This A/C compressor supports both R-134a and R1234yf refrigerants, making it compatible with modern vehicle air conditioning systems.

  • Compatible refrigerant types: R-134a or R1234yf
  • Includes oil filled with PAG46 compatible refrigerant oil
  • 6-groove serpentine pulley for efficient belt engagement
  • 12-volt coil with 1 wire lead coil clock position
  • Pin-type electrical terminal for secure connection
  • Clutch included with a maximum diameter of 4.31 inches
  • Mounting type: 3 tangent one on rear head
  • O-rings included for proper sealing (part numbers 24402 and 24404)
  • Designed as a new Mahle-type compressor

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new HVAC compressors engineered to meet or exceed OEM specifications. This product line focuses on delivering reliable, direct-fit replacements for vehicle air conditioning systems. The 158274 compressor is part of this line, ensuring compatibility and performance for Buick Cascada vehicles requiring a new compressor unit.

Detailed Product Description

This Four Seasons A/C compressor 158274 is a Mahle-type compressor designed for the Buick Cascada. It supports both R-134a and R1234yf refrigerants, which are commonly used in modern automotive air conditioning systems. The compressor comes pre-filled with PAG46 oil, ensuring proper lubrication and system longevity. The serpentine pulley features six grooves and a diameter of approximately 4.31 inches, matching factory specifications for smooth belt operation. The included clutch and pin-type terminal provide a secure and efficient engagement mechanism. Installation is facilitated by the 3 tangent mounting points, one located on the rear head of the compressor. Additionally, the package includes two O-rings (24402 and 24404) to ensure a proper seal during installation.

Common Applications and Issues Addressed

  • Replacement for faulty or worn-out A/C compressors in Buick Cascada
  • Resolves issues with insufficient cooling or compressor failure
  • Addresses clutch engagement problems in the air conditioning system
  • Fixes refrigerant leaks due to damaged seals or O-rings
  • Improves overall HVAC system reliability and performance

Installation Notes and Tips

  • Ensure compatibility with Buick Cascada models before installation
  • Use the included O-rings to prevent refrigerant leaks
  • Verify the serpentine belt condition and replace if worn
  • Confirm electrical connections match the pin terminal type
  • Mount securely using the 3 tangent points, including the rear head mount

Quality Assurance and Warranty

The Four Seasons New Compressor 158274 is a new, direct-fit replacement part manufactured to meet OEM standards. It includes all necessary components except mounting hardware, which must be reused or sourced separately. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number158274
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter4.31
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePag46
Compressor TypeMahle
ECV Harness ConnectorCompressor SE36F, Vehicle SE36M
Mounting Hardware?Not Included
Mounting Type3 Tangent One on Rear Head
New or RemanNew
O-Ring A Number/Desc[24402]
O-Ring B Number/Desc[24404]
Oil FilledIncluded
Pulley Belt TypeSerpentine
Pulley Diameter MM109.47
Pulley Groove Quantity6
Pulley Lip Diameter4.31
Pulley Ridge Diameter4.31
Refrigerant TypeR-134a or R1234yf
Terminal TypePin
TypeMahale

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2019BuickCascadaN/Aw/ CVC Compressor; New w/ Clutch; w/ Compressor Clutch; New Compressor
2018BuickCascadaN/Aw/ CVC Compressor; New w/ Clutch; w/ Compressor Clutch; New Compressor
2017BuickCascadaN/Aw/ CVC Compressor; New w/ Clutch; w/ Compressor Clutch; New Compressor
2016BuickCascadaN/Aw/ CVC Compressor; New w/ Clutch; w/ Compressor 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:

1422383GM152238315224031582742763693909287539164664621047A76369

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