Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededComplete Perfect Fit Air Conditioning System
Ships on 09/17/2026
Lowest Price GuaranteeThis Model-Specific Fully Electronic Perfect Fit Smart Series kit allows you to RetroFit your classic Mustang to full air-conditioning, easily and professionally. Our Mustang Smart Series system is engineered specifically using a Direct Electronic Replacement controller (D.E.R)… which gives you a brand new, plug-n-play control that fits right into the OEM location with no modifications! This all-exclusive Smart ECU has Simplified Wiring and allows for infinite adjustability over all modes, providing you with powerful air conditioning, heat on the floor, and dehumidified defrost. Using just basic tools you’ll be able to install this kit. It’s easy to get OEM quality with better than original performance and reliability!
Ford Mustang Perfect Fit Smart Series Kits Include:
- Serviceable Evaporator Assembly (High Impact, Fully Insulated Housings)
- Coils Utilize Copper for Longevity
- Sanden Style Compressor
- Compressor Mounting Hardware
- DirectPass Airflow Technology
- Condenser Kit
- Electronic Water Valve
- Fully Electronic D.E.R. Controller
- Hi-Low Pressure Switch Included
- Pre-crimped Refrigeration Hoses
- Fully-automatic, Preset Thermostat
- Pre-formed Hardlines
- Full Technical Support
- Best Warranty in the Industry
20-3025-D-12 Supersedes 20-302-12
A/C Retrofit Kits Help You Stay Cool!
Classic Auto Air Ford Mustang Perfect Fit Air Conditioning system has been specifically engineered to convert your classic pony car to full climate control. Each component was specifically engineered and carefully chosen to fit your vehicle for outstanding performance, quality, and reliability. Perfect Fit complete kits contain everything you need for modern-day, high-performance A/C, heat, and dehumidified defrost into your classic or muscle car.
