OE Quality
60-Day Returns

Four Seasons 58954 A/C Compressor
Overview of Four Seasons New Compressor 58954
The Four Seasons New Compressor 58954 is designed specifically for Chevrolet G10, G20, and G30 models. This A/C compressor is engineered to work with R134a refrigerant and includes essential components such as the clutch and pressure switch for reliable HVAC system performance.
- Compatible with Chevrolet G10, G20, G30 models
- Refrigerant type: R134a
- Includes clutch and high-pressure switch
- Oil filled with PAG 150 compatible refrigerant oil
- 6-groove serpentine pulley for optimal belt engagement
- 12-volt coil voltage with spade terminal type
- Mounting type: Type VII (middle ear not threaded)
- New compressor, part number 58954
Four Seasons New Compressor Product Line Details
The New Compressor line from Four Seasons focuses on delivering brand-new, ready-to-install A/C compressors that meet OEM specifications. This ensures compatibility and performance for vehicles requiring a direct replacement. The 58954 model is part of this line, providing a complete compressor assembly including the clutch and pressure switch, designed to simplify installation and restore proper air conditioning function in Chevrolet vans.
Technical Specifications and Features
This Four Seasons A/C compressor features a HD6 compressor type optimized for R134a refrigerant systems. It comes pre-filled with PAG 150 oil to maintain lubrication and system efficiency. The clutch assembly has a maximum diameter of 4.25 inches and includes a 6-groove serpentine pulley with a diameter of approximately 108 mm, ensuring proper belt alignment and drive. The coil is positioned at the 10 o'clock clock position and operates at 12 volts with a spade terminal connection. The included high-pressure switch enhances system protection by monitoring refrigerant pressure.
Common Applications and Problem Resolution
- Replacement for failed or leaking A/C compressors in Chevrolet G10, G20, and G30 vans
- Resolves issues with insufficient cooling due to compressor failure
- Addresses clutch engagement problems affecting air conditioning operation
- Fixes refrigerant leaks related to worn or damaged compressor seals
- Restores proper system pressure with included high-pressure switch
Installation Notes and Tips
When installing the Four Seasons New Compressor 58954, ensure the system is evacuated and flushed to remove contaminants. The compressor is designed for Type VII mounting (middle ear not threaded), so verify compatibility with your vehicle’s mounting points. The package does not include mounting hardware, so retain original bolts or source replacements as needed. Use the included sealing washers (O-rings) to prevent leaks at suction ports. Confirm the serpentine belt condition and routing before reassembly.
Quality Assurance and Warranty
Four Seasons provides this new compressor with quality assurance to meet or exceed OEM standards. The part number 58954 is manufactured to deliver consistent performance and durability for Chevrolet G10, G20, and G30 models. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on new compressors to cover defects in materials and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 58954 |
| Position | New Compressor |
| Clutch Included | Included |
| Clutch Maximum Diameter | 4.250 |
| Coil Clock Position | 10 |
| Coil Voltage | 12 |
| Compatible Refrigerant Oil Type | PAG 150 |
| Compressor Type | HD6 |
| Distance From Clutch To Mounting Flange | 0.59375 |
| Mounting Hardware? | Not Included |
| Mounting Type | Type VII (Middle Ear Not Threaded) |
| New or Reman | New |
| O-Ring A Number/Desc | [24354] / Sealing Washer |
| Oil Filled | Included |
| Pulley Belt Type | Serpentine |
| Pulley Diameter MM | 107.950 |
| Pulley Groove Quantity | 6 |
| Pulley Lip Diameter | 4.250 |
| Pulley Ridge Diameter | 4.250 |
| Refrigerant Type | R134a |
| Suc Prt Typ Note | R134A - V |
| Suction Port Type | Sealing Washer |
| Switch Included | High Pressure |
| Switch Type | Pressure Switch |
| Terminal Type | Spade |
| Type | GM |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Chevrolet | G30 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1996 | GMC | G3500 | 5.7L | V8 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor |
| 1996 | GMC | G3500 | 6.5L | V8 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor |
| 1996 | GMC | G3500 | 4.3L | V6 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor |
| 1996 | GMC | G3500 | 7.4L | V8 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor |
| 1995 | Chevrolet | G10 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1995 | Chevrolet | G20 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1995 | Chevrolet | G30 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1995 | GMC | G1500 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1995 | GMC | G2500 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; New Compressor | ||
| 1995 | GMC | G3500 | N/A | w/ HD6 Compressor; New w/ Clutch; Use PAG 150 Compressor Oil; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.