Description
Product Overview
The Four Seasons FOR59581 Air Conditioning Repair Kit is engineered to replace the core of automotive AC systems with a machined aluminum component that matches or surpasses original equipment (OE) design and performance. Weighing just 7.7 ounces and measuring 4 × 2 × 2 inches, the kit offers a compact footprint without compromising durability. Its exterior is precision‑machined for a smooth finish, ensuring a perfect fit within tight engine compartments. The kit includes all necessary hardware and is identified by the manufacturer part number 59581.
Usage
This repair kit is intended for use in a wide range of passenger vehicles, light trucks, and SUVs that utilize a standard automotive air‑conditioning system. Ideal for both professional technicians and DIY owners, the kit simplifies the core replacement process, reducing service time and labor costs. Install the kit during routine AC maintenance, after a refrigerant leak, or when the original core shows signs of wear. 
Why Choose Us
Four Seasons has a long‑standing reputation for producing reliable automotive components. This kit meets stringent quality standards, offering OE‑level performance and a machined finish that resists corrosion. Each unit undergoes rigorous testing to ensure leak‑free operation and optimal heat exchange efficiency. By choosing this kit, customers benefit from a product that delivers consistent cooling, extends system life, and supports environmentally responsible refrigerant handling.
Key Features
- Precision‑machined aluminum core for superior heat transfer
- Meets or exceeds original equipment design specifications
- Lightweight construction at only 7.7 oz for easy handling
- Compact dimensions (4 × 2 × 2 in) fit most vehicle engine bays
- Complete installation hardware included for quick service
FAQ
Is this kit compatible with all vehicle makes?
The FOR59581 kit is designed for a broad range of vehicles that use a standard AC core. Verify your vehicle’s specifications or consult a service manual to confirm compatibility.
Do I need special tools to install the kit?
Installation requires basic hand tools such as screwdrivers, wrenches, and a torque wrench. No specialized equipment is necessary.
Can I reuse the existing refrigerant lines?
Yes, the existing lines can be reused if they are in good condition. Inspect them for corrosion or damage before reassembly.
How does the machined design improve performance?
The machined aluminum surface increases surface area and promotes efficient heat exchange, resulting in faster cooling and reduced system strain.
What warranty does Four Seasons provide?
The product comes with a limited one‑year warranty covering manufacturing defects. Register your purchase on the Four Seasons website for full warranty details.





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