Car AC Leak Stopper Plug | Condenser Compressor Seal 3/8–3/4"
Car AC Leak Stopper Plug | Condenser Compressor Seal 3/8–3/4"
Car AC Leak Stopper & Condenser Seal Plug
Keep your vehicle's air conditioning system running at peak performance with this precision-engineered metal leak stopper plug. Designed to seal leaks in your car's AC condenser and compressor connections, this heavy-duty metal plug helps maintain refrigerant pressure and system integrity — available in 8 size variants to fit a wide range of vehicles including Mercedes-Benz and many other makes.
Made in Mainland China.
Key Features
- Universal Fit: Available in 8 sizes (3/8", 1/2", 5/8", 3/4", and 28.4mm) to suit most car AC systems
- Durable Metal Construction: Solid metal build for long-lasting, reliable sealing performance
- Stops AC Leaks: Effectively plugs condenser and compressor pump leak points to restore system pressure
- Easy to Install: Simple, tool-friendly design for quick DIY fitting without specialist equipment
- Silver Finish: Corrosion-resistant silver-toned metal for under-hood durability
- Compatible with Mercedes-Benz and More: Engineered to match common AC fitting standards across a wide range of vehicles
Specifications
| Material | Metal |
| Color | Silver |
| Size A | 3/8" — 3 × 1.8 cm |
| Size B | 1/2" — 4 × 2.5 cm |
| Size C | 5/8" — 4 × 2.5 cm |
| Size D | 3/4" — 4.3 × 2.8 cm |
| Size E | 3/8" — 4 × 2.5 cm |
| Size F | 1/2" — 4 × 2.5 cm |
| Size G | 5/8" — 4 × 2.5 cm |
| Size H | 28.4 mm — 5.1 × 4 cm |
| Package Includes | 1 × AC Leak Stopper Plug |
| Country of Origin | Mainland China |
Important Notes
- Photos may not reflect actual size — please refer to the size specifications above before ordering.
- Please allow 5–10 mm variance due to manual measurement.
- Screen color settings may affect how the product color appears in images.
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Frequently Asked Questions
Q: What vehicles is this AC leak stopper plug compatible with?
A: This metal AC leak stopper plug is designed to fit a wide range of vehicles that use standard AC condenser and compressor fittings, including Mercedes-Benz models. With 8 size options ranging from 3/8" to 3/4" (and 28.4 mm), it covers most common car air conditioning connection types. Please verify the required size for your vehicle before ordering.
Q: How do I know which size to choose?
A: Measure the diameter of the AC condenser or compressor port you need to seal. Compare it to the 8 available sizes listed in the specifications (3/8", 1/2", 5/8", 3/4", and 28.4 mm). If you're unsure, consult your vehicle's service manual or a qualified automotive technician for the correct fitting size.
Q: Is this plug suitable for DIY installation?
A: Yes — this AC leak stopper plug is designed for straightforward installation and can typically be fitted without specialist tools. However, if you are unfamiliar with automotive AC systems, we recommend having the installation carried out by a qualified mechanic to ensure a proper, safe seal.