---
product_id: 653589090
title: "Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack"
brand: "xinxinlin"
price: "NZ$618"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/653589090-xinxinlin-1570-replacement-mail-box-lock-replacement-for-florence-f
store_origin: NZ
region: New Zealand
---

# Keyed Different Enhanced Security Easy Installation Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack

**Brand:** xinxinlin
**Price:** NZ$618
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock It Down: Your Mail's Best Defense!

## Quick Answers

- **What is this?** Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack by xinxinlin
- **How much does it cost?** NZ$618 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/653589090-xinxinlin-1570-replacement-mail-box-lock-replacement-for-florence-f)

## Best For

- xinxinlin enthusiasts

## Why This Product

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

## Key Features

- • **📦 Peace of Mind:** Rest easy knowing your mail is safe and secure.
- • **🔑 Unique Keying:** Each lock is uniquely keyed for maximum protection.
- • **🔒 Secure Your Mail:** Upgrade your mailbox security with a USPS-approved lock.
- • **🛡️ Built to Last:** Crafted from high-quality materials for long-lasting durability.
- • **🛠️ Hassle-Free Replacement:** Quick and easy installation with included keys and latch.

## Overview

The Xinxinlin 1570 Replacement Mail Box Lock is a high-quality, USPS-approved lock designed for Florence F Series CBU & 4C Mail Units. Each lock is uniquely keyed for enhanced security and comes with three keys and a latch for easy installation. Built to withstand the test of time, this durable lock ensures your mail and packages remain safe.

## Description

Enhanced Security: Upgrade mailbox security with the USPS-L-1172C National Mailbox Lock C9100. This high-quality lock is specifically designed to meet USPS standards, ensuring the safety of your mail and packages. Note that the C9100 is a clockwise rotating mailbox lock.1172c Mailbox Lock Keyed Different (KD) : Each lock is uniquely keyed different, providing an added layer of security. With this feature, you can have peace of mind knowing that your mailbox is protected from others access.Easy Replacement: If you need to replace your mailbox lock, the USPS-L-1172C National Mailbox Lock C9100 is the perfect solution. It's easy to install and comes with three keys and a latch, so you always have a spare key.Durable and Reliable: Crafted with precision and durability in mind, this mailbox lock is built to withstand the test of time. It is made from high-quality materials, ensuring long-lasting performance and protection for your valuable mail.If you have any questions about mailbox lock with keys that are compatible with usps 1172c mailbox, or if you encounter any problems during use, whether it is pre-sale or after-sales, please contact us and we will give you a satisfactory answer within 24 hours.

## Features

- Enhanced Security: Upgrade mailbox security with the USPS-L-1172C National Mailbox Lock C9100. This high-quality lock is specifically designed to meet USPS standards, ensuring the safety of your mail and packages. Note that the C9100 is a clockwise rotating mailbox lock.
- 1172c Mailbox Lock Keyed Different (KD) : Each lock is uniquely keyed different, providing an added layer of security. With this feature, you can have peace of mind knowing that your mailbox is protected from others access.
- Durable and Reliable: Crafted with precision and durability in mind, this mailbox lock is built to withstand the test of time. It is made from high-quality materials, ensuring long-lasting performance and protection for your valuable mail.
- Easy Replacement: If you need to replace your mailbox lock, the USPS-L-1172C National Mailbox Lock C9100 is the perfect solution. It's easy to install and comes with three keys and a latch, so you always have a spare key.
- If you have any questions about mailbox lock with keys that are compatible with usps 1172c mailbox, or if you encounter any problems during use, whether it is pre-sale or after-sales, please contact us and we will give you a satisfactory answer within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Xinxinlin |
| Part number | 1172C&1570 |
| Item Weight | 635 g |
| Package Dimensions | 15.24 x 12.7 x 10.16 cm; 635.03 g |
| Item model number | 1172C |
| Color | White |
| Style | durable |
| Batteries Required? | No |

## Images

![Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack - Image 1](https://m.media-amazon.com/images/I/61qhFHRPD8L.jpg)
![Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack - Image 2](https://m.media-amazon.com/images/I/6178XJVDWzL.jpg)
![Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack - Image 3](https://m.media-amazon.com/images/I/71wZ3QxlX1L.jpg)
![Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack - Image 4](https://m.media-amazon.com/images/I/71fopH43foL.jpg)
![Xinxinlin 1570 Replacement Mail Box Lock Replacement for Florence F Series CBU & 4C Mail Units L-1172C, C9100 with 3 Keys and a Latch, Replacement USPS Mailbox Key Lock -10 Pack - Image 5](https://m.media-amazon.com/images/I/81mw1HqA8GL.jpg)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-04-28*