UAC KT-4359 Air Conditioner Compressor Kit 711307398270 A/c Compressor/component

( Brand: Uac ), ( Manufacturer Part Number: KT-4359 ), ( Part Type: Compressor ), ( UPC: 711307398270 ), ( Gtin: 00711307398270 )

Review UAC Universal Air Conditioner Kt 4359 A/c Compressor/component Kit

The **UAC KT-4359 Air Conditioner Compressor/Component Kit** is a high-performance, precision-engineered replacement solution designed to restore optimal functionality to vehicles equipped with the original **KT-4359 air conditioning system**, commonly found in select models from manufacturers like **Toyota, Lexus, and Scion**. This meticulously crafted kit serves as an ideal upgrade or direct replacement for failing compressors, ensuring reliable cooling performance while maintaining compatibility with the vehicle s existing A/C system architecture. Built with **robust durability in mind**, the KT-4359 compressor incorporates a **high-efficiency hermetic design**, featuring a **spiral-type piston mechanism** that delivers smooth, consistent operation with reduced wear over time. The kit includes not only the **compressor itself**, but also essential **mounting hardware, a clutch assembly, and a drive belt pulley**, ensuring all critical components are accounted for during installation. Engineered to meet or exceed **OEM specifications**, this kit is constructed from **high-grade aluminum and reinforced steel**, providing resistance to corrosion, thermal stress, and mechanical strain key factors that contribute to longevity in demanding driving conditions. Whether addressing a **leaking compressor, seized clutch, or general system inefficiency**, this kit offers a seamless integration with the vehicle s refrigerant lines and electrical connections, minimizing the risk of leaks or improper fitment. Ideal for professional mechanics and DIY enthusiasts alike, the KT-4359 kit ensures a **clean, efficient, and long-lasting** air conditioning solution, helping drivers maintain comfort while reducing the need for frequent repairs. With its **universal applicability** to compatible vehicle models and **superior build quality**, this component kit stands as a dependable choice for restoring or enhancing an air conditioning system s performance.

The **UAC KT-4359** is a popular air conditioning compressor and component kit designed for vehicles with R-134a refrigerant systems, particularly those using the **KT-4359 compressor** (commonly found in older vehicles like the **Toyota Camry, Corolla, or Lexus models**). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the UAC KT-4359 A/C Compressor/Component Kit**

1. **Compatibility and Reliability**

The KT-4359 is a well-established compressor model, widely used in Toyota, Lexus, and other Japanese vehicles from the late 1990s to early 2000s. It is designed to work seamlessly with the **KT-4359 clutch kit**, **oil**, and **hoses**, ensuring proper lubrication and cooling. Many mechanics and DIYers trust this kit due to its proven track record.

2. **Easy Installation**

The kit typically includes pre-charged hoses, a clutch kit, and the correct amount of **PAG 46 oil** (essential for R-134a systems). The hoses are often color-coded and pre-assembled, simplifying the replacement process compared to buying individual parts. This reduces the risk of improper connections, which can lead to leaks or compressor failure.

3. **Cost-Effective Replacement**

Replacing an entire A/C system can be expensive, but the KT-4359 kit offers a budget-friendly solution for those whose compressors have failed. The kit is generally priced lower than OEM parts, making it an attractive option for cost-conscious consumers.

4. **High-Quality Materials**

UAC (Universal Air Conditioning Components) is a reputable brand known for manufacturing durable aftermarket parts. The KT-4359 compressor is built to withstand the demands of modern A/C systems, provided it is installed correctly and maintained.

5. **Warranty and Support**

UAC provides a warranty (typically 1 2 years) on their compressors and kits, offering some peace of mind. Additionally, the brand has a strong reputation for customer service, which can be helpful if issues arise post-installation.

6. **Compatibility with Common Vehicles**

- Toyota Camry (1997 2001)

- Toyota Corolla (1998 2002)

- Lexus ES300/IS200 (1999 2003)

- Some Honda and Nissan models (though less common)

If your vehicle uses this compressor, the kit will fit without modifications.

7. **Pre-Charged Hoses Reduce Risk of Air**

Many kits include pre-charged hoses, which help eliminate air pockets in the system during installation. This reduces the chance of the compressor failing due to insufficient lubrication or overheating.

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### **Cons of the UAC KT-4359 A/C Compressor/Component Kit**

1. **Limited Vehicle Compatibility**

While the KT-4359 is popular, it is **not universal**. It is specifically designed for vehicles with a **KT-4359 clutch and mounting pattern**. Attempting to use it in a vehicle with a different compressor type (e.g., KT-4358, KT-4360, or a newer model) will result in a poor fit or failure. Always verify compatibility before purchasing.

2. **Requires Proper Refrigerant and Oil**

The kit includes **PAG 46 oil**, which is correct for R-134a systems. However, if the system was previously filled with the wrong oil (e.g., mineral oil or a different PAG type), mixing oils can cause sludge and damage the compressor. A full system flush may be necessary before installation.

3. **Installation Knowledge Required**

While the kit simplifies the process, replacing an A/C compressor still requires **basic mechanical skills** and access to the right tools (e.g., torque wrench, refrigerant recovery machine, vacuum pump). Improper installation such as overtightening bolts, incorrect hose routing, or failing to evacuate the system can lead to leaks, poor cooling, or compressor failure.

4. **Potential for Counterfeit or Low-Quality Kits**

Some sellers may offer **fake or subpar KT-4359 kits** that fail prematurely. To avoid this, purchase from **authorized UAC dealers or reputable online retailers** (e.g., RockAuto, Amazon, or local auto parts stores with good reviews). Always check for authenticity labels or packaging.

5. **May Not Solve Underlying Issues**

If the compressor fails due to **contaminated refrigerant, a failing clutch, or a bad condenser**, replacing just the compressor and kit may not fix the problem. A thorough diagnosis (e.g., checking for leaks, testing the clutch, inspecting the condenser) is essential before purchasing.

6. **Environmental and Legal Considerations**

R-134a refrigerant is being phased out in many regions due to its **ozone-depleting potential**, though it remains legal for now. Some newer vehicles use **R-1234yf**, which is incompatible with the KT-4359 kit. Always ensure your vehicle s system is compatible with R-134a before proceeding.

7. **Warranty Limitations**

While UAC offers a warranty, it may not cover **improper installation** or **damage caused by mixing oils**. Some extended warranties require professional installation, which could add to the cost.

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### **Conclusion**

The **UAC KT-4359 A/C compressor and component kit** is a **solid, cost-effective choice** for vehicles that specifically require this model. It offers **reliability, ease of installation, and compatibility** with a wide range of older Toyota, Lexus, and some Honda/Nissan vehicles. The pre-charged hoses and clutch kit reduce the risk of common installation mistakes, making it a favorite among DIYers and mechanics alike.

However, it is **not a one-size-fits-all solution**. The biggest drawbacks are its **limited compatibility** and the **risk of improper installation or counterfeit parts**. If your vehicle s A/C system is complex or you lack mechanical experience, consulting a professional may be wise to avoid costly mistakes.

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### **Recommendation**

- Your vehicle **explicitly uses the KT-4359 compressor** (verify with a parts manual or mechanic).

- You are **confident in your ability to install it correctly** (or have a trusted mechanic do it).

- You are **working with R-134a refrigerant** (not R-1234yf).

- You purchase from a **reputable seller** to avoid counterfeit parts.

- You are prepared to **flush the system with the correct PAG 46 oil** if needed.

- Your vehicle s compressor is a **different model** (e.g., KT-4358, KT-4360, or newer).

- You are unsure about **oil compatibility** in your system.

- You lack **basic mechanical skills** or tools for proper installation.

- Your A/C system has **other underlying issues** (e.g., bad condenser, leaks) that need addressing first.

- If your vehicle is **newer or uses R-1234yf**, consider an **OEM or high-quality aftermarket compressor** designed for your specific model.

- For **older vehicles with known issues**, a **compressor rebuild kit** (if the existing compressor is salvageable) may be cheaper than a full replacement.

- If budget is a concern, check for **used/refurbished KT-4359 compressors** (though ensure they are tested and come with a warranty).

For the right vehicle and installer, the **UAC KT-4359 kit is an excellent, budget-friendly solution**. However, **due diligence in compatibility and installation is critical** to ensure long-term reliability. If in doubt, consult a professional before purchasing.

Details:

Item model number: KT 4359. UAC parts are manufactured and tested to meet or exceed OE specifications. Brand New, OE replacement, UAC branded Compressor Replacement Kit. Product Dimensions: 17 x 14 12 inches.

Universal Air Conditioner KT 4359 A/C Compressor/Component Kit: Manufacturer. Model: KT4359. Exterior: Machined.

part #: kt4359 prices

• $252.54-$278.95

specifications motohva:

• brand: Uac
• mpn: Kt-4359
• part type: Compressor
• upc: 711307398270
• gtin: 00711307398270

offer motohva:

• sold: 0
• quantity: 1
• started: April 9, 2026
• availability: In Stock
• options: Ship-to-home

shipping motohva:

• cost: $0.00
• transit: 4-9 Days
• class: Standard
• service: Standard
• type: Fixed

returns motohva:

• policy: No Returns

payments motohva:

• credit card: Discover
• other
• wallet: Apple-pay

general motohva:

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

seller motohva:

• rating: 100.0%
• # reviews: 548
• city: US

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