# Power jack for ASUS U31F U31JG PJ340903 — 19V 3.42A replacement connector

**URL:** https://aio.lv/en/product--extra-digital-pj340903--4128824
**Data updated:** 2026-02-12 14:05 (EET)
**Category:** RJ Plugs & Boots
**Manufacturer:** extra digital
**Manufacturer code:** PJ340903
**EAN:** 9990000340903
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-pj340903--4128824

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Replacement power jack compatible with ASUS U31F and U31JG laptops, model PJ340903. Rated for 19V and 3.42A, this DC connector replaces a damaged or worn laptop power inlet to restore reliable power delivery. Suitable for repair and refurbishment, it helps avoid full adapter or motherboard replacement and is intended for professional or experienced DIY installation.

## Long description

Replacement power jack compatible with ASUS U31F and U31JG laptops, model PJ340903. Rated for 19V and 3.42A, this DC connector restores the power inlet used to connect the external adapter to the laptop. The component is intended for repair and refurbishment of laptops with a damaged, loose or intermittently working power socket. Installation requires disassembly of the laptop chassis and basic soldering or connector replacement skills.
Advantages
This power jack provides a direct, form-fit connection designed to match the original power inlet dimensions and electrical rating of 19V and 3.42A. It offers a stable electrical contact to reduce power interruptions caused by worn contacts or broken housings. The replacement part allows repair of the laptop without replacing the entire power adapter or motherboard, which can lower repair costs and extend device service life.
Подходит для
Восстановление питания ноутбуков ASUS U31F и U31JG
Ремонт и восстановление б/у устройств
Профессиональная и опытная самостоятельная замена разъёма питания
Key specifications
Nominal voltage: 19 V
Maximum current rating: 3.42 A
Connector type: DC power jack compatible with ASUS laptop inlet
Mounting: through‑chassis / motherboard mounted (requires disassembly)
Material: metal contacts with insulating housing
How to use
Power off the laptop, disconnect the battery and external adapter before beginning. Carefully disassemble the laptop casing to access the damaged power inlet, noting screw locations and connector positions. Desolder or unclip the old jack from the board and install the replacement ensuring correct orientation and secure solder joints or clips. Reassemble the chassis and test with a compatible 19V, 3.42A adapter to verify stable power delivery.
Usage recommendations
Intended for installation by professional technicians or experienced DIY users. Use appropriate ESD precautions, correct soldering equipment and a compatible power adapter when testing. If the motherboard shows additional damage, consult a qualified service center.

## FAQ

### How much does the Power jack ASUS U31F U31JG PJ340903 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 01.07.2026 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 extra digital 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 extra digital 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/4128824/10548941_large.webp