GM GENUINE PARTS 15-20226 Air Conditioning Compressor Clutc 021625948102 88964868 R4

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 15-20226 ), ( Part Type: Conditioning Compressor ), ( UPC: 021625948102 ), ( Gtin: 00021625948102 )

Review GM GENUINE PARTS R4 Air Conditioning Compressor And Clutc

The **GM 15-20226-88964868 R4 Air Conditioning Compressor Clutch** is a high-performance, precision-engineered component designed exclusively for General Motors (GM) vehicles equipped with R-134a or R-12 refrigerant systems, though it is fully compatible with modern R-134a and R-1234yf (the newer eco-friendly refrigerant) applications when properly serviced. This clutch assembly serves as the critical interface between the vehicle s serpentine belt drive system and the air conditioning compressor, enabling seamless engagement and disengagement of the compressor to regulate cooling output based on cabin temperature demands. Crafted from durable materials, including a robust aluminum housing and a high-torque, multi-ribbed belt pulley, this clutch is engineered to withstand the rigors of continuous operation under varying thermal and mechanical loads, ensuring reliable performance even in demanding driving conditions. The internal mechanism features a robust electromagnetic coil and a precision-ground clutch plate, which work in tandem with the vehicle s A/C control module to provide smooth, vibration-free engagement, minimizing wear on both the compressor and the drive belt. This clutch is specifically designed to fit GM s R4 compressor models, making it an ideal replacement for failing or worn-out units in vehicles such as the Chevrolet Impala, GMC Sierra, Cadillac Escalade, or other compatible GM platforms from the late 1990s through the early 2010s. Its robust construction and tight tolerances help prevent slippage, overheating, and premature failure, extending the lifespan of the entire A/C system. Whether installed in a daily driver or a high-mileage vehicle, this clutch ensures efficient cooling performance while maintaining the integrity of the vehicle s drivetrain components. For optimal functionality, it is recommended to pair this clutch with a high-quality serpentine belt and a fresh refrigerant charge, as part of a comprehensive A/C service to restore peak cooling efficiency.

**Pros and Cons of buying a GM 15-20226-88964868 R4 Air Conditioning Compressor Clutch**

1. **Compatibility** This clutch is designed specifically for GM vehicles, ensuring a proper fit for applications like the 2006-2013 Chevrolet Silverado, GMC Sierra, and other GM trucks and SUVs with R4 (134a) air conditioning systems. This reduces the risk of mismatches that could lead to leaks or poor performance.

2. **Reliability** GM parts are generally built to meet strict quality standards, and this clutch is a genuine or high-quality aftermarket replacement, meaning it should function reliably if installed correctly. Many users report long-term performance without frequent failures.

3. **Ease of Installation** As a direct replacement, the clutch is designed to drop into place without extensive modifications. The mounting points and electrical connections are standardized for GM systems, simplifying the replacement process for those with basic mechanical skills.

4. **Cost-Effective for GM Systems** Since it is designed for GM vehicles, the clutch is priced competitively compared to universal or non-OEM alternatives. This makes it a budget-friendly option for owners who need a straightforward replacement without overpaying for specialized parts.

5. **Warranty Coverage** If purchasing from a reputable dealer or online retailer, this clutch may come with a warranty (e.g., 1-2 years), providing peace of mind against manufacturing defects or early failure.

6. **Compatibility with R4 Systems** The clutch is designed for R4 (134a) refrigerants, which are still common in older GM vehicles. This ensures compatibility with the vehicle s existing AC system without requiring refrigerant changes or additional modifications.

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1. **Age of the Design** This clutch is part of an older GM air conditioning system (likely from the 2000s), which may lack some modern efficiency or durability features found in newer compressors or clutches. Over time, wear on the clutch or bearing could become an issue, especially in high-mileage vehicles.

2. **Potential for Counterfeit Parts** If purchased from an untrusted seller (e.g., unlicensed online marketplaces), there is a risk of receiving a counterfeit or low-quality replica. Always buy from authorized dealers, GM parts stores, or reputable aftermarket suppliers to avoid this.

3. **Compatibility with Modified Systems** If the vehicle s AC system has been altered (e.g., upgraded to R134a or R1234yf, or fitted with a non-GM compressor), this clutch may not integrate seamlessly. Always verify compatibility with the vehicle s specific AC setup before purchasing.

4. **Limited Availability of OEM Parts** As GM vehicles age, genuine OEM parts like this clutch may become harder to find in stock, leading to longer wait times or higher prices. Aftermarket alternatives may be necessary, which could vary in quality.

5. **Electrical or Mechanical Wear** If the vehicle s AC system has been neglected (e.g., low refrigerant, dirty condenser, or a failing compressor), the clutch may fail prematurely due to increased strain. A full AC system service (including refrigerant recharge and filter drying) is recommended before installation.

6. **No Upgrades in Efficiency** Unlike newer clutches or compressors, this part does not incorporate advanced features such as variable-speed operation or improved energy efficiency. For vehicles with high AC demand, this could lead to slightly higher energy consumption.

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The **GM 15-20226-88964868 R4 air conditioning clutch** is a solid, reliable choice for GM vehicle owners who need a direct replacement for their existing AC system. Its strengths lie in its compatibility, ease of installation, and cost-effectiveness, making it ideal for basic repairs or routine maintenance. However, its age and potential for counterfeit parts necessitate careful sourcing and consideration of the vehicle s overall AC health.

For vehicles with high mileage or those that have experienced AC issues, it may be wise to pair this clutch with a full AC system service to extend its lifespan. Additionally, if the vehicle is part of a fleet or used frequently in hot climates, monitoring the clutch s performance over time is advisable.

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- **Buy from a trusted source** (e.g., GM parts dealer, RockAuto, or a reputable online retailer) to ensure authenticity and warranty coverage.

- **Inspect the existing AC system** before installation. Check for refrigerant leaks, a clean condenser, and a functional compressor. A professional AC service may be needed to address any underlying issues.

- **Consider aftermarket alternatives** if the OEM part is unavailable or expensive. Brands like **Denso, Emerson, or ACDelco** offer high-quality clutches that may provide slight efficiency improvements.

- **Test the clutch after installation** by cycling the AC on and off to ensure smooth engagement and disengagement. Listen for unusual noises (e.g., grinding or whining) that could indicate bearing wear.

- **Monitor long-term performance** and replace the clutch if it exhibits signs of failure (e.g., clutch not engaging, compressor not running, or unusual noises).

**Final Verdict:** This clutch is a **good, cost-effective choice for GM vehicles** with standard R4 AC systems, provided it is sourced responsibly and installed in a well-maintained system. For newer or high-performance vehicles, exploring more advanced clutches may be beneficial.

Details:

GM Genuine Parts 15-20226 88964868 R4 Air Conditioning Compressor and Clutch Assembly: Manufacturer: AcDelco. Item model number: 15-20226. Some GM Genuine Parts may have formerly appeared as AcDelco Original Equipment OE. Constantly modernizing our powerful devices to meet the demands of modern user.

Exterior: Machined. The compressors are lubricated by refrigerant oil. These A/C compressors pump refrigerant through the system. Hybrid vehicles are typically equipped with an electric motor driven compressor.

Product Dimensions: 11 x 8.5 inches. Fit type: Vehicle Specific. Fully equipped with state-of-the-art technology. Brand: GM GENUINE PARTS.

Compressors are typically engine driven via the accessory belt, with a clutch on compressor being used to engage and disengage. Model: Compressor Kit,A/C R4.

part #: 1520226 prices

• $308.99-$472.56

specifications motohva:

• brand: Gm Genuine Parts
• mpn: 15-20226
• part type: Conditioning Compressor
• upc: 021625948102
• gtin: 00021625948102

offer motohva:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: February 10, 2026
• availability: In Stock

payments motohva:

• other
• credit card: Diners-club
• wallet: Google-pay

seller motohva:

• city: US
• rating: 100.0%
• # reviews: 324

general motohva:

• condition: New
• HVAC Refrigeration > HVAC Refrigeration Components > Compressors

returns motohva:

• policy: No Returns

shipping motohva:

• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard
• transit: 4-11 Days

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