Description
Product Overview
The Old Air Products A/C Retrofit Kit model 50-3600 is engineered to replace and upgrade the refrigerant system in a wide range of vehicles. Constructed from high‑grade steel and corrosion‑resistant brass fittings, the kit ensures durability under demanding temperature cycles. It includes a compressor, condenser, evaporator, expansion valve, and all necessary hoses and clamps, packaged in a compact 14 x 8 x 6‑inch box for easy storage. Designed to meet OEM specifications, the kit delivers consistent cooling performance while simplifying the retrofit process for both professionals and DIY users.
Usage

This retrofit kit is ideal for passenger cars, light trucks, and small SUVs that require a refrigerant system overhaul due to leaks, aging components, or performance loss. Whether you are restoring a classic vehicle or updating a modern model, the kit fits standard mounting points and integrates seamlessly with existing HVAC controls. It is particularly useful in hot climates where efficient cooling is critical for driver comfort and component longevity.
Why Choose Us
Old Air Products has a reputation for manufacturing reliable automotive HVAC solutions. This kit benefits from rigorous quality testing, ensuring each component meets or exceeds industry standards. The comprehensive parts list eliminates the need for additional purchases, reducing installation time and overall cost. Backed by a responsive customer support team and a clear warranty, the kit offers peace of mind for both hobbyists and service shops.
Key Features
- Complete system includes compressor, condenser, evaporator, and valve for a full retrofit.
- High‑quality steel and brass construction resists corrosion and extends service life.
- OEM‑compatible dimensions simplify installation on most vehicle makes and models.
- All necessary hoses, clamps, and fittings are pre‑cut and ready to install.
- Designed for efficient heat exchange, delivering rapid cabin cooling even in extreme temperatures.
FAQ
Is this kit compatible with my vehicle?
The 50-3600 kit is designed to fit a broad range of passenger cars and light trucks. Check the vehicle’s service manual for HVAC dimensions, or contact our support team with your make and model for confirmation.
Do I need special tools to install the kit?
Standard automotive hand tools such as wrenches, screwdrivers, and a torque wrench are sufficient. No specialized equipment is required.
How long does installation typically take?
For an experienced technician, installation usually takes 3–4 hours. DIY users should allow extra time for familiarization with the components.
What warranty does the kit include?
The kit comes with a one‑year limited warranty covering manufacturing defects. Register your product online to activate the warranty.
Can I reuse any of my old A/C components?
While the kit includes all necessary parts, you may reuse compatible mounting brackets or sensors if they are in good condition. Ensure all reused parts are clean and free of damage before reinstallation.




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