Denso 471-1221 A/C Compressor

Overview of the Denso 471-1221 A/C Compressor for Lexus GS300

The Denso 471-1221 A/C Compressor is designed specifically for the Lexus GS300, ensuring reliable air conditioning performance. This compressor is engineered to work with R134a refrigerant and features a serpentine pulley belt system for efficient operation.

• Compatible with Lexus GS300 models
• Uses R134a refrigerant type
• Clutch maximum diameter of 120.0 mm
• Serpentine pulley belt type for smooth power transmission
• Ear and tangent mounting type for secure installation

Technical Details and Features

The Denso 471-1221 A/C Compressor is built to meet the specific requirements of the Lexus GS300's HVAC system. It operates with R134a refrigerant, which is standard for many modern vehicles, providing effective cooling performance. The clutch has a maximum diameter of 120.0 mm, which is critical for proper engagement and disengagement during operation. The serpentine pulley belt type ensures compatibility with the vehicle’s existing belt system, allowing for consistent power delivery and reduced wear. The ear and tangent mounting type provides a stable and secure fit, minimizing vibrations and ensuring long-term durability.

Applications and Common Issues Addressed

• Restores proper air conditioning function in Lexus GS300 vehicles
• Replaces faulty or worn-out A/C compressors causing insufficient cooling
• Eliminates clutch slippage or failure related to compressor operation
• Addresses refrigerant leaks or compressor noise issues
• Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Denso 471-1221 A/C Compressor on a Lexus GS300, ensure the system is properly evacuated and recharged with R134a refrigerant. Verify the clutch maximum diameter matches the vehicle specifications to avoid fitment issues. Use the ear and tangent mounting points to secure the compressor firmly, and inspect the serpentine belt for wear or damage before reassembly. Proper torque specifications should be followed to maintain mounting integrity and prevent premature failure.

Quality Assurance and Warranty Information

Denso manufactures the 471-1221 A/C Compressor to meet OEM standards for fit, form, and function. This part undergoes rigorous quality control to ensure reliable performance in the Lexus GS300. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the product’s durability and longevity.