# Quick-lock coupling Einhell 4139301

**URL:** https://aio.lv/en/product--einhell-4139301--3096200
**Data updated:** 2026-01-06 11:08 (EET)
**Category:** Air Compressors
**Manufacturer:** EINHELL
**Manufacturer code:** 4139301
**EAN:** 4006825581638
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--einhell-4139301--3096200

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Einhell 4139301 Quick-lock coupling is designed for easy and secure connections with air compressors. Compatible with Einhell products, it ensures a reliable fit and efficient air flow. This accessory is essential for quick tool changes and enhances productivity in various tasks. Pack includes 1 piece.

## Long description

The Quick-lock coupling Einhell 4139301 provides a simple and secure connection for air compressors and pneumatic tools. Designed for compatibility with Einhell products, this single-piece coupling facilitates fast tool changes while maintaining efficient airflow and a reliable seal. It is intended as an accessory to improve workflow and reduce downtime during compressed-air operations.
Advantages
The coupling offers a quick-release mechanism for fast connection and disconnection, a secure fit compatible with Einhell fittings, and durable construction intended for repeated use. Supplied as one piece, it simplifies inventory and replacement for workshop and DIY tasks.
Suitable for
Connecting air compressors to pneumatic tools
Quick tool changes in workshops and garages
General compressed-air applications with Einhell equipment
Key specifications
Brand: EINHELL
Model / MPN: 4139301
EAN: 4006825581638
Package quantity: 1 piece
Type: Quick-lock coupling for air compressors
How to use
Ensure the compressor and tool are switched off and depressurized before connecting. Pull back the sleeve on the coupling, insert the matching hose or tool fitting until it seats, then release the sleeve to lock. Verify the connection is secure and pressurize the system gradually to check for leaks before normal operation.
Usage recommendations
Use the coupling with compatible Einhell fittings and follow the compressor manufacturer's safety instructions. Regularly inspect the coupling and seals for wear and replace if damaged to maintain a secure, leak-free connection.

## Specifications

| Feature | Value |
|---|---|
| Brand compatibility | Einhell |
| Product type | Quick-lock coupling |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Quick-lock coupling Einhell 4139301 cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EINHELL products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EINHELL service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3096200/64202965_large.webp