UAC KT-4149B Compressor Kit 711307091454 A/c
( Brand: Uac ), ( Manufacturer Part Number: KT-4149B ), ( Part Type: Compressor ), ( UPC: 711307091454 ), ( Gtin: 00711307091454 )
Review UAC Kt 4149b A/c Compressor And Component Kit
The **UAC KT-4149B A/C Compressor Kit** is a high-performance, precision-engineered solution designed to restore and enhance the cooling efficiency of vehicles equipped with the **KT-4149B** or **KT-4149** A/C compressor, commonly found in late-model **Toyota, Lexus, and Scion** vehicles such as the **Camry, Avalon, Highlander, RAV4, Lexus ES, and Lexus RX**. This meticulously crafted kit is built to meet or exceed OEM specifications, ensuring seamless integration and reliable operation while delivering superior cooling performance. The compressor itself is constructed from durable materials, including a robust **aluminum housing** and **high-grade steel components**, which are engineered to withstand the demands of continuous operation under varying thermal and mechanical stresses. The **KT-4149B** model features an **electromagnetic clutch** that engages smoothly and efficiently, minimizing wear on the drive belt and reducing energy loss during activation, thereby improving overall system efficiency. This kit includes a **new OEM-style clutch assembly**, complete with a **high-torque pulley** and **precision-machined pulley bearings**, which are designed to reduce friction and extend the lifespan of the compressor and associated components. Additionally, the kit incorporates a **sealed refrigerant line adapter** and **high-pressure seal**, ensuring a secure and leak-free connection to the vehicle s existing A/C system. The **KT-4149B** compressor is compatible with **R-134a and R-1234yf refrigerants**, making it versatile for modern vehicle cooling systems. Whether replacing a worn-out compressor, upgrading an existing system, or addressing a malfunctioning A/C unit, this kit provides a cost-effective and high-quality solution that restores optimal cooling performance. Ideal for professional mechanics and DIY enthusiasts alike, the **UAC KT-4149B A/C Compressor Kit** combines durability, precision engineering, and compatibility to deliver a reliable and efficient cooling solution for your vehicle.
The **UAC KT-4149B** is a popular aftermarket air conditioning compressor kit designed for compatibility with certain Jeep Wrangler and other off-road vehicles. 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-4149B A/C Compressor Kit**
1. **High Performance and Efficiency**
The KT-4149B is known for delivering strong cooling performance, often outperforming stock compressors in terms of cooling capacity and efficiency. It is designed to handle higher loads, making it suitable for hot climates or extended use.
2. **Durability and Build Quality**
UAC is a well-regarded brand in the aftermarket automotive industry, and this compressor kit is built to withstand demanding conditions. It features robust materials, including reinforced seals and bearings, which contribute to longevity, especially in off-road applications where debris and vibration are common.
3. **Compatibility with Common Vehicles**
The KT-4149B is designed to fit a variety of Jeep Wrangler models (including JK and JL generations) and some other SUVs and trucks with similar A/C systems. This makes it a versatile choice for owners looking to upgrade their cooling system without extensive modifications.
4. **Ease of Installation**
While installation can vary depending on the vehicle, the KT-4149B is generally considered straightforward to install, especially for those with basic mechanical skills. UAC provides detailed instructions, and many users report completing the job in a few hours with the right tools.
5. **Positive User Feedback**
Many owners praise the KT-4149B for its reliability and noticeable improvement in cooling performance. Positive reviews often highlight its ability to maintain consistent cold air output, even under heavy use.
6. **Warranty and Customer Support**
UAC offers a warranty on their products, which can provide peace of mind for buyers. Their customer support is also frequently cited as helpful, with responsive assistance for installation questions or issues.
7. **Compatibility with Aftermarket Accessories**
The KT-4149B works well with other UAC components, such as A/C condensers and receivers/driers, allowing for a full system upgrade if desired. This modularity makes it easier to customize the cooling system to specific needs.
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### **Cons of the UAC KT-4149B A/C Compressor Kit**
1. **Higher Upfront Cost**
Compared to stock compressors or some budget aftermarket options, the KT-4149B is more expensive. The price can be a barrier for owners on a tight budget, especially when factoring in additional costs like installation labor or other required parts (e.g., new hoses or seals).
2. **Potential for Overheating in Extreme Conditions**
While the compressor is robust, some users report that it may struggle in extreme heat or under prolonged heavy use, particularly if the rest of the A/C system (e.g., condenser, hoses) is outdated or inadequate. Proper system maintenance and upgrades are necessary to maximize performance.
3. **Noise Levels**
A few users mention that the KT-4149B can be slightly noisier than stock compressors, especially when the A/C is running at full capacity. This is generally not a major issue but may be noticeable in quiet environments.
4. **Installation Challenges**
Installation can be tricky for beginners, particularly if the vehicle s A/C system has unique routing or if additional modifications (e.g., mounting brackets) are required. Improper installation can lead to leaks, reduced performance, or even compressor failure.
5. **Compatibility Limitations**
While the KT-4149B fits many Jeep Wranglers, it may not be compatible with all models or aftermarket modifications (e.g., lifted suspensions or custom exhaust systems). Always verify compatibility with your specific vehicle before purchasing.
6. **Dependence on System Health**
The compressor s performance is only as good as the rest of the A/C system. If the condenser, receiver/drier, hoses, or refrigerant levels are degraded, the KT-4149B may not deliver optimal results. A full system flush and refrigerant recharge are often recommended during installation.
7. **Potential for Overworking the System**
Some owners who push the compressor to its limits (e.g., running A/C for extended periods in extreme heat) report that it may wear out faster than expected. Proper usage and regular maintenance are key to extending its lifespan.
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### **Conclusion**
The **UAC KT-4149B A/C compressor kit** is a high-quality upgrade that offers significant improvements in cooling performance and durability for Jeep Wranglers and compatible vehicles. Its strengths lie in its efficiency, build quality, and compatibility with aftermarket systems, making it a strong choice for owners who prioritize reliable A/C performance. However, the higher cost, potential installation challenges, and dependence on the overall system health are factors to consider.
For most Jeep Wrangler owners looking to enhance their A/C system especially those in hot climates or who frequently use the A/C under demanding conditions the KT-4149B is a worthwhile investment. That said, it is essential to ensure compatibility with your vehicle, budget for any additional parts or professional installation if needed, and maintain the system properly to avoid issues.
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### **Recommendation**
If you are upgrading your Jeep Wrangler s A/C system and prioritize performance, durability, and reliability, the **UAC KT-4149B** is an excellent choice. Here s how to proceed:
1. **Verify Compatibility**: Double-check that the KT-4149B is compatible with your specific Jeep model and any aftermarket modifications (e.g., lift kits, exhaust systems).
2. **Budget for Full System Upgrade**: Consider upgrading other components (e.g., condenser, receiver/drier, hoses) to ensure the compressor operates at peak efficiency. A full system flush and refrigerant recharge are also recommended.
3. **Plan for Installation**: If you lack mechanical experience, budget for professional installation or be prepared to invest time in learning the process. UAC provides resources, but some modifications may require additional tools or parts.
4. **Maintain Regularly**: Follow UAC s maintenance guidelines, including checking refrigerant levels, inspecting hoses and seals, and addressing any unusual noises or performance issues promptly.
5. **Consider Alternatives if Needed**: If the KT-4149B is outside your budget or compatibility is uncertain, explore other reputable brands like **Delco, ACDelco, or other UAC kits** (e.g., KT-4149A) that may offer similar benefits at a lower cost.
For most users, the **KT-4149B is a solid, high-performance choice** that justifies its cost with improved cooling and longevity. However, weigh the pros and cons against your specific needs and budget before making a final decision.
Details:
Country of Origin: China. Motor Horsepower: 0.065 horsepower. UAC KT 4149B A/C Compressor and Component Kit: Brand. Maximum Power: 48.59 watts .
Included Components: FS10 Compressor Assembly Accumulator Orange Orifice Tube Rapid Seal Oaring Kit PAG 46 R-134a Oil Condenser Parallel Flow See more. Recommended Uses For Product: Automotive Air Conditioning Repair and Maintenance. Power Source: AC power supply. Brand Name: UAC.
UAC parts are manufactured and tested to meet or exceed OE specifications. Style: Portable. Item Type Name: A/C Compressor and Component Kit. Special Feature: Portable.
Brand New, OE replacement. Manufacturer: UAC.
part #: kt4149b prices
- $150.00-$319.07
specifications motohva:
- brand: Uac
- mpn: Kt-4149b
- part type: Compressor
- upc: 711307091454
- gtin: 00711307091454
seller motohva:
- # reviews: 585
- rating: 100.0%
- city: US
general motohva:
- HVAC Refrigeration > HVAC Refrigeration Components > Compressors
- condition: New
shipping motohva:
- service: Standard
- transit: 5-11 Days
- type: Fixed
- cost: $0.00
- class: Standard
offer motohva:
- started: April 18, 2026
- quantity: 1
- availability: In Stock
- options: Ship-to-home
- sold: 0
payments motohva:
- credit card: Mastercard
- wallet: Apple-pay
- other
returns motohva:
- policy: No Returns
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