Denso 471-1343 A/C Compressor

Overview of the Denso 471-1343 A/C Compressor

The Denso 471-1343 A/C compressor is designed specifically for Lexus GS400, GS430, and SC430 models. Engineered to work with R134a refrigerant, this compressor ensures reliable air conditioning performance tailored to your vehicle's specifications.

• Compatible with Lexus GS400, GS430, and SC430
• Uses R134a refrigerant type
• Clutch maximum diameter of 120.0 mm
• Serpentine pulley belt type for efficient power transfer
• Bolt tangent mounting type for secure installation

Technical Details and Features

This Denso A/C compressor (part number 471-1343) is built to meet the exact requirements of select Lexus models. It operates with R134a refrigerant, the standard for modern automotive air conditioning systems. The clutch has a maximum diameter of 120.0 mm, which is critical for proper engagement and smooth operation. The serpentine pulley belt type ensures compatibility with the vehicle’s existing belt system, providing consistent power delivery. The bolt tangent mounting type allows for a secure and precise fit, minimizing vibration and wear.

Applications and Problem Solving

This A/C compressor is intended for use in the following Lexus vehicles:

• Lexus GS400
• Lexus GS430
• Lexus SC430

It addresses common air conditioning issues such as:

• Loss of cooling performance due to compressor failure
• Unusual noises from worn or damaged compressor clutch
• Refrigerant leaks affecting system pressure
• Inconsistent compressor engagement impacting cabin comfort
• Failure of pulley or mounting components causing belt slippage

Installation Notes and Tips

When installing the Denso 471-1343 A/C compressor, 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 bolt 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.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for durability and performance. The part number 471-1343 undergoes rigorous quality control to ensure compatibility with Lexus GS400, GS430, and SC430 models. Warranty coverage details should be confirmed at the point of purchase, but Denso products typically include a limited warranty against defects in materials and workmanship.