---
product_id: 631717001
title: "400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included"
brand: "upvcstore"
price: "A$95"
currency: AUD
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.au/products/631717001-400mm-offset-espag-universal-repair-kit-window-lock-gearbox-mechanism
store_origin: AU
region: Australia
---

# Enhanced Security Smooth Operation Complete Repair Kit 400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included

**Brand:** upvcstore
**Price:** A$95
**Availability:** ✅ In Stock

## Summary

> 🔑 Secure Your Space with Style!

## Quick Answers

- **What is this?** 400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included by upvcstore
- **How much does it cost?** A$95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/631717001-400mm-offset-espag-universal-repair-kit-window-lock-gearbox-mechanism)

## Best For

- upvcstore enthusiasts

## Why This Product

- Trusted upvcstore brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📏 Perfect Fit:** Designed with a 400mm size and 20mm backset for universal compatibility.
- • **📦 All-Inclusive Kit:** Comes with keeps and screws for a complete replacement solution.
- • **🔒 Superior Security:** Equipped with 8mm mushroom cams for robust window locking.
- • **🔧 Easy Installation:** Seamlessly fits into any Eurogroove system for hassle-free setup.
- • **🌧️ Corrosion Resistant:** Meets BS EN 1670:2007 standards for durability against the elements.

## Overview

The 400mm Offset Espag Universal Repair Kit is a comprehensive solution for enhancing window security and functionality. This kit includes everything you need for a complete replacement, featuring corrosion-resistant materials and easy installation into any Eurogroove system. With its robust design and smooth operation, it’s the perfect upgrade for any modern home.

## Description

Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm mushrooms Keeps + Screw Included

## Features

- Easy to install in any Eurogroove system, the Duration Espag offers smooth operation and enhanced security of the window
- Complete repair kit comes with keeps and fixing screws to completely replace old window mechanisms
- 8mm Mushroom Cams, 20mm Backset, Inline Espag Rod
- Corrosion Resistance: Meets requirements of BS EN 1670:2007 (Grade 3, 96 hours)
- Please see images for technical measurements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UPVCSTORE |
| Package Dimensions | 45 x 5 x 5 cm; 1 kg |
| Size | 400mm |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1 kg |

## Images

![400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included - Image 1](https://m.media-amazon.com/images/I/71yzplNGx+L.jpg)
![400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included - Image 2](https://m.media-amazon.com/images/I/71v3qKlFYVL.jpg)
![400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included - Image 3](https://m.media-amazon.com/images/I/61SVElx3gQL.jpg)
![400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included - Image 4](https://m.media-amazon.com/images/I/51HvuiqfxRL.jpg)
![400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included - Image 5](https://m.media-amazon.com/images/I/61YOCsus68L.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great window mechanism
*by J***R on 9 February 2025*

Fitted the lock to a bathroom window. Really great quality. Smooth gear in the locking mechanism. Easy to fit. Really would recommend to anyone.

### ⭐⭐⭐⭐⭐ Good sturdy replacement lock mechanism
*by M***E on 28 January 2025*

Replacement for a broken lock mechanism ... Fitted perfect ... Would recommend and use again

### ⭐⭐⭐⭐⭐ Measure twice, fit once.
*by M***  on 22 February 2025*

Absolutely perfect for me, just had to move the recivers to engage as my old sliding lock was 50mm wider.It worked perfectly and fitted snugly, I highly recommend once you check your measurements.Michael

## Frequently Bought Together

- 400mm Offset Espag Universal Repair Kit Window Lock Gearbox Mechanism 16mm U Rail Bar Rod 20mm Backset 8mm Mushrooms Keeps + Screw Included
- Home Secure™ Universal uPVC Window Handle Multi-Spindle - White

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/631717001-400mm-offset-espag-universal-repair-kit-window-lock-gearbox-mechanism](https://www.desertcart.com.au/products/631717001-400mm-offset-espag-universal-repair-kit-window-lock-gearbox-mechanism)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-22*