R12 to R134a AC Conversion Adapter Kit – High & Low Side
R12 to R134a AC Conversion Adapter Kit – High & Low Side
R12 to R134a AC Fitting Conversion Adapter Kit
Upgrade your vehicle's air conditioning system effortlessly with this R12 to R134a AC Fitting Conversion Adapter Kit. Designed for quick, easy installation, this set converts your existing R12/R22 charging ports to accept modern R134a quick-disconnect fittings — no special tools required. Made in China.
Why Choose This Conversion Kit?
- Safe & Durable Construction: Crafted from high-quality stainless steel and PP (polypropylene) with excellent heat resistance, built to withstand the demanding environment under the hood.
- Easy Quick-Disconnect Design: Converts your old 1/4" SAE or 7/16"-20UNF R12/R22 charging ports so they readily accept R134a quick-disconnect hoses — a smooth, frustration-free upgrade.
- Removable American Valve (Spool): Features a removable valve (spool) for flexible, convenient connection and disconnection, saving time during AC servicing.
- Protective Service Port Cover: Includes color-coded protective caps (blue for low side, red for high side) to keep ports clean and contaminant-free when not in use.
- Wide Vehicle Compatibility: Fits virtually any car, truck, or SUV with an R12 or R22 system, making this kit a versatile go-to for professional mechanics and DIY enthusiasts alike.
Product Specifications
| Model | Straight Adapter with Spool and Service Port Cover |
| Material | Stainless Steel & PP |
| Low Side Fitting | 1/4" (7/16"–20 UNF) × 13 mm |
| High Side Fitting | 1/4" (7/16"–20 UNF) × 16 mm |
| Power | Non-powered (mechanical) |
| Country of Origin | Made in China |
What's in the Box?
- 1 × Blue Low Side Quick Connector
- 1 × Red High Side Quick Connector
- 1 × 13 mm Blue Protective Cap
- 1 × 16 mm Red Protective Cap
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Frequently Asked Questions
Q: What vehicles is this R12 to R134a conversion adapter kit compatible with?
A: This AC fitting conversion adapter kit is compatible with virtually any car, truck, or SUV that has an original R12 or R22 air conditioning system. As long as your vehicle's AC ports feature 1/4" SAE or 7/16"-20 UNF threads, this kit will fit and allow you to use modern R134a quick-disconnect hoses.
Q: Do I need special tools to install this AC conversion adapter kit?
A: No special tools are needed. The adapters thread directly onto your existing R12/R22 service ports by hand or with a basic wrench. The removable spool (American valve) and color-coded caps make installation and disconnection straightforward, even for DIY home mechanics.
Q: Are both high side and low side adapters included in the set?
A: Yes! The kit includes a blue low-side quick connector (13 mm) and a red high-side quick connector (16 mm), plus matching blue and red protective service port caps — everything you need for a complete R12 to R134a conversion in a single purchase.
Q: Is this adapter kit reusable?
A: Absolutely. Made from durable stainless steel and heat-resistant PP, these adapters are designed for long-term, repeated use. Simply re-cap the ports with the included protective covers when not in use to keep them clean and extend their service life.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.