Ymtzfu 1 Pack Mailbox Lock Replacement – Heavy-Duty C7120, Nickel Finish, 3 Keys, C9100/C9200 Compatible

Upgrade Your Mailbox Security with Ymtzfu

Refresh the heart of your residential or commercial mail setup with the Ymtzfu 1 Pack Mailbox Lock. Featuring a rolled nickel finish and a robust cam design, this replacement lock is built to withstand frequent use and exposure to everyday conditions. The result is a dependable component that supports stable operation and consistent access to incoming mail.

Designed for versatility, this lock fits a broad range of mailbox models and is particularly aligned with USPS configurations like C9100 and C9200. The kit includes three identical keys, providing practical backups for property managers, team members, or household members. This redundancy helps streamline access control and reduces the chances of being locked out.

Key benefits at a glance

• HIGH QUALITY: Durable construction with a rolled nickel surface for long-lasting performance.
• SECURITY UPGRADE: Simple replacement that enhances mailbox protection against unauthorized access.
• EASY TO INSTALL: All necessary accessories are included; you can complete the replacement in minutes without a locksmith.
• COMPATIBILITY: Flexible design suitable for a wide range of mailbox models, including C9100 and C9200 variants.
• CONFIDENT BACKUPS: Comes with 3 keyed-alike keys for convenient spare copies.
• HANDLING & AESTHETICS: Smooth operation with a modern nickel finish that resists wear and fingerprints.

In addition to the core benefits, the lock’s compact profile and sturdy construction contribute to a reliable upgrade experience. The kit’s design emphasizes ease of use, so everyday handling feels comfortable and secure for both staff and residents.

What’s in the box

• 1 lock cylinder with nickel finish
• 3 identical keys
• 5 shaped locking tabs and C7120 cam
• 1 mounting nut

Real-world use scenarios

Ideal for upgrading aging locks in apartment buildings, offices, or homes. The three-key setup supports shared access, while the sturdy build minimizes wear from daily use. The nickel finish adds a refined look that pairs well with modern or traditional mailbox décors.

Notes on compatibility and service

This lock is USPS compliant and designed to replace common C9100/C9200 mailbox locks. If you encounter any issue during installation or operation, reach out for support or a full refund if applicable.

How to choose a mailbox lock

• Check compatibility with your mailbox model and the USPS configuration you use.
• Consider the number of keys and how access will be shared among users.
• Look for durable finishes that resist weather and daily handling.