款号	KS-804024
适用车型	Usual vehicle style	圣达菲2.7
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	135MM
轴承规格	Bearing Size	305222

Auto AC Clutch Overview

An auto AC clutch is the component that connects and disconnects the compressor from the engine drive when the air conditioning system needs cooling. For buyers, the main problem it solves is straightforward: it helps the compressor engage only when needed, reducing unnecessary drag, protecting the drive system, and restoring stable cabin cooling when the original clutch wears out or slips. Based on the visible product structure provided, this part appears to be a belt-driven rotating assembly with a bearing, mounting flange, and grooved rim, so it may be used in a clutch, pulley, or related rotating support application. Exact compatibility cannot be confirmed from the image alone.

Product Reference and Functional View

In automotive HVAC systems, the air conditioning compressor clutch is a key interface between the engine accessory drive and the compressor. A worn clutch can cause noise, poor engagement, belt issues, or intermittent cooling. For service teams and parts buyers, the right replacement must match the compressor platform, hub geometry, pulley alignment, and mounting style. If this part is being sourced as an AC compressor clutch or related drive component, the critical decision is not just appearance but fit, bearing support, and reliable rotation under belt load.

What is visible in the supplied product

The supplied information shows a black coated metal body, a grooved outer circumference, a central ball bearing, and a flange with multiple mounting holes. One rear view suggests an additional cavity or protruding feature, but its function is unclear. Because of that, it is safest to describe this item as a rotating pulley-like assembly with integrated bearing support rather than claiming a confirmed OEM clutch design.

Key Capabilities and Structural Features

The most visible capability is low-friction rotation through the bearing center. That is important in any vehicle AC compressor clutch or belt-drive component because the pulley must turn smoothly under continuous belt tension. The grooved rim helps guide belt contact, while the mounting flange supports fixed installation to the mating assembly.

Notable visible features

Visible ball bearing for rotation on a shaft or hub

Grooved outer running surface

Black painted or coated metal body

Flanged mounting face with holes

Rear housing detail with uncertain function

Materials, Finish, and Construction

The visible body appears to be a machined or cast metal part with a dark protective finish. In this type of component, the housing is often made from steel or another durable metal, while the bearing is a standard purchased part assembled into the center. That combination is common in an AC clutch for car applications where the part must resist wear, maintain alignment, and tolerate repeated engagement cycles.

Finish options for similar components may include painted, coated, plated, or untreated machined surfaces depending on the operating environment. For automotive use, surface protection matters because the part sits near the front of the engine bay and is exposed to heat, dust, and moisture.

Manufacturing and Assembly Considerations

From the visible structure, this part likely involves casting or forming followed by machining and assembly, though the exact process cannot be confirmed. In a typical auto AC clutch kit or pulley assembly, critical steps include concentric machining, bearing press-fit control, balance checks, and final inspection of the running surface. If the part is used as a magnetic AC clutch component, additional coil and gap control would normally be required, but that cannot be verified here.

Applications and Use Scenarios

Because the exact product identity is not fully confirmed, the safest application description is broad. The part may suit belt-driven machinery, engine accessory systems, industrial rotary supports, or compressor-related assemblies. In automotive service, a replacement compressor clutch replacement part is typically selected for vehicles showing symptoms such as squealing, clutch chatter, no engagement, or bearing noise. If the visible unit is intended for HVAC service, it would function as part of the drivetrain that supports compressor operation.

Quality Control and Buyer Decision Factors

When comparing suppliers, buyers should focus on the items that directly affect fit and durability: bearing quality, flange hole pattern, groove profile, coating consistency, and concentricity. For a rotating component like this, even small errors can create belt noise or premature wear. If you are sourcing an air conditioning compressor clutch or similar assembly, ask for dimensional drawings, shaft size, groove specification, and application matching data before ordering.

Good purchasing decisions also depend on confirming whether the assembly is complete or whether it is a service part within a larger system. For a replacement, check whether the original compressor uses a specific hub, pulley, coil, or spacer arrangement. An auto AC clutch kit should be matched to the exact compressor family whenever possible.

Customization Guidance

If you need a custom rotating pulley or clutch-style assembly, define the mounting hole pattern, outer diameter, belt interface, bearing size, material, and coating requirement. Share application photos, old part samples, or technical drawings when available. That helps reduce mismatch risk and supports faster evaluation. For buyers comparing a magnetic AC clutch style part with a mechanical pulley assembly, the key is to confirm the drive method and engagement structure before quoting.

Requesting the Right Part

If you are sourcing an AC clutch for car maintenance or another belt-drive application, start with the compressor model, mounting style, and visible dimensions. Send your sample, OEM number, or drawing so the supplier can verify compatibility. Contact us with your required structure, finish, and installation details to discuss the correct replacement or custom build.