# Pneumatic Quick Coupling Female 1/4" GEKO G03421 with External Thread and Seal (blister)

**URL:** https://aio.lv/en/product--geko-g03421--11938612
**Data updated:** 2026-03-10 11:38 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** GEKO
**Manufacturer code:** G03421
**EAN:** 5901477153334
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--geko-g03421--11938612

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Female pneumatic quick coupling GEKO G03421 designed for 1/4" external thread connections. Supplied in blister packaging, it includes an integrated seal to ensure leak-resistant pneumatic connections. Suitable for connecting air hoses, tools and fittings in compressed air systems for workshops, service vehicles and industrial maintenance where a compact, threaded quick connector is required.

## Long description

Pneumatic Quick Coupling Female 1/4" GEKO G03421 with External Thread and Seal (blister) is a compact threaded quick connector designed for 1/4" external thread pneumatic systems. Supplied in blister packaging, this female coupling integrates a sealing element to minimise air leakage and enable reliable, repeatable connections between air hoses, tools and fittings. Its compact form factor and external thread make it suitable for installations where a secure, threaded interface is required in workshops, service vehicles and light industrial maintenance.
Advantages
The female quick coupling offers a threaded external connection that provides a secure mechanical joint and stable airflow. The integrated seal reduces the risk of leaks and contributes to consistent system pressure. Packaged in a blister for easy handling and storage, the coupling is ready to install without additional sealing parts, simplifying replacement and maintenance tasks.
Suitable for
 Connecting air hoses to tools and fittings in compressed air systems
 Workshop and garage pneumatic setups
 Service vehicles and mobile maintenance units
 Light industrial and maintenance applications requiring threaded quick connections
Key specifications
 Type: female pneumatic quick coupling with external thread
 Thread size: 1/4" (external thread)
 Sealing: integrated seal for leak minimisation
 Packaging: blister pack for single-item supply and protection
 Compatibility: suitable for standard 1/4" pneumatic hoses and fittings
How to use
Before installation, verify that mating components match the 1/4" external thread and that the seal surface is clean and undamaged. Screw the coupling onto the mating threaded port by hand, then tighten to the required torque using appropriate tools if necessary. Connect the corresponding male quick connector until it engages securely. After assembly, pressurise the system and inspect the joint for leaks; if necessary, tighten slightly or replace the seal. Follow standard safety procedures for working with compressed air, including depressurising the system before disconnecting.
Usage recommendations
Use the coupling in applications within the manufacturer’s recommended pressure range for 1/4" pneumatic fittings and avoid exposure to corrosive chemicals or excessive vibration that can degrade the seal. For longer service life, perform periodic inspections and replace the coupling if wear or leakage is observed. When installing on vehicles or mobile units, secure nearby hoses and fittings to reduce mechanical stress on the threaded connection.

## FAQ

### How much does the Pneumatic Quick Coupling Female 1/4" GEKO G03421 cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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 20.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 GEKO 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 GEKO 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/11938612/67378516_large.webp