款号	KS-804021
适用车型	Usual vehicle style	老款IX35
额定电压(V）	Rated Volatge	12V
皮带槽楼X根数	Belt Groove Type Number	6PK
皮带轮直径M M	Pullpy Outer Diameter	124MM
轴承规格	Bearing Size	355220

Auto AC Clutch Overview

An auto ac clutch is the engage/disengage interface that lets a vehicle’s belt drive power an air-conditioning compressor only when cooling is needed. For buyers, that solves a practical problem: the compressor does not have to spin continuously, which helps reduce unnecessary load on the engine and allows the HVAC system to cycle more efficiently. In replacement sourcing and assembly work, the right clutch assembly also matters because wear in the pulley, bearing, coil, or hub can lead to noise, slipping, weak cooling, or complete compressor disengagement.

The product shown is an automotive-style pulley/clutch assembly with a visible grooved outer pulley, machined center hub, and rear coil lead, indicating an electromagnetic design. It appears intended for belt-driven compressor applications where controlled engagement is required. Because exact vehicle fitment, electrical ratings, and dimensions are not provided, buyers should treat this as a reference for component type and construction rather than a confirmed part number match.

Product Structure and Working Principle

In a typical automotive AC clutch assembly, the pulley rotates with the accessory belt while the compressor shaft remains disengaged until the clutch coil is energized. Once current passes through the coil, magnetic force pulls the clutch plate into contact with the pulley, transferring torque to the compressor. This on-demand operation is what makes the vehicle AC compressor clutch a small but important control component in the HVAC system.

Visible construction details

The visible unit appears to include a metal pulley body, a bearing-supported rotating section, a central machined hub, and a rear coil connection. The outer ring shows a black coated or painted finish, while the center area includes metallic and brass/gold-toned surfaces. Multiple fastener points are visible on the face, which is consistent with an assembled electromechanical part built for repeated cycling.

Key Specifications Buyers Usually Check

When selecting an automotive AC clutch, buyers normally verify the following:

• Pulley diameter and groove profile
• Bearing size and load support
• Coil voltage and connector style
• Hub offset and mounting pattern
• Rotation direction and belt alignment
• Compressor family compatibility

These details determine whether the part can fit correctly and operate smoothly inside the vehicle accessory drive. Since exact numbers are not supplied here, dimensional confirmation remains essential before ordering an AC compressor clutch replacement.

Materials and Finish Options

From the image, the assembly is predominantly metal, with a black external finish and machined internal surfaces. In this type of product, common material choices often include steel for load-bearing elements and copper-based winding materials inside the coil. Surface finishing is usually selected to improve corrosion resistance, manage wear, and keep the pulley running true under belt load.

Buyers looking for a car air conditioner clutch should pay attention to coating quality, bearing protection, and the condition of the contact surfaces. Even a small defect in finish or concentricity can create noise, vibration, or early failure during long-term service.

Manufacturing and Assembly Considerations

This kind of component is typically made through a combination of machining, stamping, bearing press-fit, coil assembly, and surface coating. The visible geometry suggests a part that must hold tight concentricity across the pulley and hub so the belt track stays stable during operation. After assembly, the clutch should rotate freely when disengaged and engage cleanly under electrical excitation.

For OEM programs or aftermarket supply, the manufacturing focus is usually on repeatability, bearing life, coil integrity, and fit consistency. A well-built clutch for car AC compressor needs to survive frequent cycling, heat exposure, and the vibration environment found in engine bays.

Application Scenarios

This component is suited to vehicle HVAC systems, compressor rebuild work, repair shops, and parts sourcing for replacement inventory. It may also be used in OEM assembly where a belt-driven compressor needs controlled torque transfer. Common buyer scenarios include restoring cooling performance, resolving clutch slippage, or replacing a noisy pulley bearing before it damages the compressor drive.

Service teams often search for an auto air conditioning clutch when the compressor pulley spins but does not engage properly, or when the clutch face shows wear and heat discoloration. In such cases, matching the clutch to the compressor family is critical.

Quality Control and Buyer Decision Factors

For this category, buyers usually evaluate smooth bearing rotation, coil connector integrity, face alignment, and overall assembly consistency. Visual inspection alone cannot confirm torque capacity, voltage behavior, or endurance, so technical verification is still necessary. If you are planning an AC compressor clutch replacement, compare the old part carefully against the new one for groove count, offset, hub style, and connector position.

Decision factors typically include vehicle compatibility, service life expectations, electrical match, and whether the part is intended for repair or production assembly. For fleet maintenance and workshop use, availability and installation fit often matter as much as the component design itself.

Customization and Sourcing Support

If you need a custom or matching clutch assembly, prepare the compressor model, pulley dimensions, connector photos, and any visible markings from the old unit. For B2B purchasing, this information helps reduce ordering errors and speeds up part matching. Because exact compatibility cannot be inferred from the image alone, a sample check or dimensional drawing is recommended before bulk procurement.

Request a Quote or Part Match

If you are sourcing an auto ac clutch for repair, OEM supply, or inventory replacement, send your target compressor details and reference photos. A proper part match saves installation time and helps avoid unnecessary rework in the field.