HomeHVAC > A/C Clutch and CompressorFour Seasons 178364 A/C Compressor
Part #: 178364

Four Seasons 178364 A/C Compressor

New Compressor
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
New Compressor
Fitment: Cadillac, ATS and CTS
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 178364

The Four Seasons New Compressor 178364 is designed specifically for Cadillac ATS and CTS models, providing reliable air conditioning performance. This A/C compressor supports both R-134a and R1234yf refrigerants, making it suitable for modern HVAC systems.

  • Compatible with Cadillac ATS and CTS
  • Supports refrigerants R-134a and R1234yf
  • Includes oil for optimal lubrication
  • 6-groove serpentine pulley for efficient belt engagement
  • 12-volt coil voltage with 1 wire lead coil clock position
  • Includes clutch assembly with a maximum diameter of 4.33 inches
  • Mounting type: 2 ear & 1 tangent for secure installation
  • Pin-type electrical terminal for reliable connection
  • Includes O-rings [24402] and [24404] for proper sealing

Features and Specifications

This Four Seasons New Compressor 178364 is a Nippondenso 6sas14h type compressor engineered for Cadillac ATS and CTS vehicles. It features a 6-groove serpentine pulley with a diameter of approximately 109.93 mm (4.33 inches), matching the clutch diameter and pulley lip and ridge diameters for consistent operation. The compressor comes pre-filled with oil and includes the clutch assembly, ensuring a complete replacement unit. The coil operates at 12 volts with a single wire lead, and the mounting hardware is designed with 2 ears and 1 tangent for proper fitment. Electrical connections use a pin terminal type, and the ECV harness connector is compatible with compressor se36f and vehicle se36m connectors.

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new, direct-fit A/C compressors designed to meet or exceed OEM specifications. This line focuses on providing reliable HVAC components that integrate seamlessly with vehicle systems. The New Compressor 178364 is part of this line, ensuring a fresh, unused compressor with included clutch and necessary sealing components for Cadillac ATS and CTS models.

Common Applications and Problem Resolution

  • Replacement for failing or noisy A/C compressors in Cadillac ATS and CTS
  • Restores proper air conditioning cooling performance
  • Solves issues related to clutch failure or pulley wear
  • Addresses refrigerant leaks with included O-rings
  • Eliminates electrical connection problems with pin-type terminals

Installation Notes and Tips

When installing the Four Seasons New Compressor 178364, ensure the system is properly evacuated and recharged with the correct refrigerant type (R-134a or R1234yf). The included oil helps maintain lubrication, but verify oil levels according to vehicle specifications. Use the included O-rings [24402] and [24404] to prevent leaks. Note that mounting hardware is not included, so reuse existing bolts or acquire appropriate replacements. Confirm electrical connections match the pin terminal and ECV harness connector types for proper operation.

Quality Assurance and Warranty

Four Seasons New Compressor 178364 is a new, direct-fit replacement part manufactured to meet industry standards. It includes essential components such as the clutch and O-rings to ensure a complete installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer documentation.

BrandFour Seasons
Part Number178364
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter4.33
Coil Clock Position1 Wire Lead
Coil Voltage12
Compressor Type6SAS14H
Distance From Clutch To Mounting Flange1.21875
ECV Harness ConnectorCompressor SE36F, Vehicle SE36M
Mounting Hardware?Not Included
Mounting Type2 Ear & 1 Tangent
New or RemanNew
O-Ring A Number/Desc[24402]
O-Ring B Number/Desc[24404]
Oil FilledIncluded
Pulley Belt TypeSerpentine
Pulley Diameter MM109.93
Pulley Groove Quantity6
Pulley Lip Diameter4.33
Pulley Ridge Diameter4.33
Refrigerant TypeR-134a or R1234yf
Terminal TypePin
TypeNippondenso

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015CadillacATS3.6LV6N/Aw/ 6SAS14H Compressor; New w/ Clutch; New Compressor
2015CadillacCTS3.6LV6N/Aw/ 6SAS14H Compressor; New w/ Clutch; New Compressor
2014CadillacATS3.6LV6N/Aw/ 6SAS14H Compressor; New w/ Clutch; New Compressor
2014CadillacCTS3.6LV6N/Aw/ 6SAS14H Compressor; New w/ Clutch; New Compressor
2013CadillacATS3.6LV6N/Aw/ 6SAS14H 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:

14222631522263152237717836422799362231922362763356484566513012751301284123929A76335CO22263CCO22263GT178364

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