# Laptop keyboard Dell replacement for Inspiron 15 / 15R / 15.6" models 3521 3537 5537 5521 and Vostro 2521 (MPN KB310135)

**URL:** https://aio.lv/en/product--dell-kb310135--4280526
**Data updated:** 2025-12-29 15:57 (EET)
**Category:** Replacement Keyboards
**Manufacturer:** Dell
**Manufacturer code:** KB310135
**EAN:** 9990000310135
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 22.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-kb310135--4280526

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop keyboard compatible with Dell Inspiron 15, Inspiron 15R and 15.6" series models 3521, 3537, 5537, 5521 and Vostro 2521 (MPN KB310135). Designed as a direct fit to replace damaged or worn keyboards, it restores full typing functionality and standard key layout. Suitable for home, office or repair use; easy to install following model-specific disassembly instructions.

## Long description

Replacement laptop keyboard compatible with Dell Inspiron 15 and 15R series and selected Vostro and Latitude 15 models. This black US-layout keyboard (MPN KB310135, EAN 9990000310135) is intended as a direct replacement to restore full typing functionality and the standard key layout for affected Dell notebooks. The list of compatible models may be incomplete; verify model fit before purchase.
Advantages
Black US-layout keyboard designed to match the original Dell layout and key spacing for easy replacement. Supplied as a single unit with a six-month warranty and labeled by manufacturer part number KB310135. Simple drop-in replacement for many Inspiron, 15R, Vostro and Latitude 15 series models, helping restore normal typing and usability without needing the original keyboard.
Suitable for
Replacing a broken or worn keyboard on Dell Inspiron 15 / 15R models (3521, 3537, 5521, 5537)
Repairing Dell Vostro 2521 and similar Vostro models
Use in home, office or service-repair environments
Key specifications
Type: Laptop replacement keyboard (US layout)
Color: Black
Compatible models (examples): Inspiron 15/15R 3521, 3537, 5521, 5537; Vostro 2421, 2521, V2521; Latitude 15 series including N3521/N5521 and related 15R/15V variants
Manufacturer part number (MPN): KB310135
EAN: 9990000310135
Warranty: 6 months
How to use
Power off the laptop and remove the battery (if removable) before starting. Follow model-specific disassembly instructions to access and remove the original keyboard—typically involving removing screws and carefully releasing keyboard clips. Disconnect the keyboard ribbon cable from the motherboard and install the replacement by reconnecting the ribbon cable, seating the keyboard in place and securing any screws or clips removed earlier. Reinstall the battery and power on the laptop to verify full key functionality.
Usage recommendations
Confirm your notebook model number against the compatible models list before ordering. When unsure, compare the original keyboard’s connector and layout or consult model-specific service manuals. Handle ribbon cables and connectors gently to avoid damage during installation.

## FAQ

### How much does the Dell laptop keyboard KB310135 for Inspiron 15 / Vostro 2521 cost, and is it available for purchase?

The price is 26.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 26.06.2026 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 Dell 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 Dell 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/4280526/11075738_large.webp