Top Mailbox Locking Mechanisms and Accessories

The best Mailbox Locks includes PRIME-LINE S 4140 Mailbox Lock Set, VIXAVI Universal Mailbox Lock Replacement (4 Keys), PRIME-LINE S 4573 Mailbox Lock (NA-14) and many others as mentioned below.

1

PRIME-LINE S 4140 Mailbox Lock Set

  • Replacement lock for various mailbox brands.
  • Includes 5 zinc-plated steel cams.
  • Features Hudson 1003M key for easy access.
  • Security feature prevents key removal when unlocked.
  • Easy installation for lost or broken locks.
  • Durable nickel finish for long-lasting use.
  • Comes with 2 keys for convenience.
  • Average Rating out of 5:
  • Price Range: $8.97
  • Size: ‎1 Pack
  • Material: Diecast / Steel
2

VIXAVI Universal Mailbox Lock Replacement (4 Keys)

  • Universal fit for all mailbox types.
  • Includes 4 keys for convenience.
  • Easy DIY installation, no tools needed.
  • Durable, rust-resistant construction for longevity.
  • Enhances security against theft and unauthorized access.
  • Modern design enhances mailbox appearance.
  • Protects important documents and deliveries effectively.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Material: Brass
3

PRIME-LINE S 4573 Mailbox Lock (NA-14)

  • Replacement mailbox lock for easy installation.
  • Compatible with various mailbox brands and models.
  • Constructed with durable diecast and steel materials.
  • Corrosion-resistant zinc-plated and nickel finishes.
  • Security feature prevents key removal when unlocked.
  • Unlocks by turning key counter-clockwise.
  • Includes retaining hex nut and clip for stability.
  • Average Rating out of 5:
  • Price Range: $8.87
  • Size: ‎1 Pack
  • Material: Brass, Nickel
4

PRIME-LINE MP4526 Mailbox Lock (NA-14 Keyway)

  • Multipurpose replacement mailbox lock for various brands.
  • Includes 5 zinc-plated steel cams for versatility.
  • NA-14 keyway compatible for easy key replacement.
  • Security feature prevents key removal when unlocked.
  • Features a durable nickel finish for longevity.
  • Unlocks with a clockwise turn for convenience.
  • Comes with 2 keys for added accessibility.
  • Average Rating out of 5:
  • Price Range: $6.87
  • Size: ‎1 Pack
  • Material: Alloy Steel, Brass, Nickel
5

Xinxinlin L-1172C Mailbox Lock Replacement

  • Upgrade your mailbox security effortlessly.
  • Designed to meet USPS standards for safety.
  • Includes three uniquely keyed different keys.
  • Clockwise rotating lock for easy access.
  • Durable construction ensures long-lasting performance.
  • Simple installation process for quick replacement.
  • 24/7 customer support for any inquiries.
  • Average Rating out of 5:
  • Price Range: $14.99
  • Size: ‎1 Piece
6

Ymtzfu Mailbox Lock with Key (L-1172C)

  • High-quality mailbox lock for durability and performance.
  • Enhances mailbox security and peace of mind.
  • Easy installation takes just 5 minutes.
  • Compatible with various mailbox models and designs.
  • Includes all necessary accessories for installation.
  • USPS compliant, ideal for C9100 locks.
  • Customer support available for any issues.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Color: Silver
  • Material: Metal+Nickel Plated Finish
7

PRIME-LINE Mailbox Lock (MP4573) - Nickel Finish

  • Replacement mailbox lock for quick and easy installation.
  • Compatible with various mailbox brands and models.
  • Constructed from durable diecast, brass, and steel materials.
  • Corrosion-resistant zinc and nickel finish for longevity.
  • Security feature prevents key removal when unlocked.
  • Locks with a simple 90º counter-clockwise rotation.
  • Includes five cams for versatile applications.
  • Average Rating out of 5:
  • Price Range: $6.50
  • Size: ‎90 degree
  • Material: Diecast
8

PRIME-LINE MP4048 Mailbox Lock (Single Pack)

  • Durable steel construction ensures long-lasting use.
  • Brass plated finish adds a stylish touch.
  • Designed for Auth, United, and Florence mailboxes.
  • Compatible with old style apartment mailboxes.
  • 1/4 inch bolt throw for secure locking.
  • Easy to install with simple tools.
  • Single pack ideal for individual replacement needs.
  • Average Rating out of 5:
  • Price Range: $5.99
  • Size: ‎1/4 Inch
  • Material: Alloy Steel, Brass
9

PRIME-LINE Mail Box Lock (MP4945)

  • Durable diecast construction for long-lasting use.
  • Nickel plated face for enhanced corrosion resistance.
  • Counter-clockwise rotation for easy access.
  • 5-pin design for increased security and safety.
  • Spring steel locking clip for reliable locking mechanism.
  • Single pack eliminates stocking issues of individual locks.
  • Compatible with various mailbox models and types.
  • Average Rating out of 5:
  • Price Range: $6.04
  • Size: ‎1 Count (Pack of 1)
  • Material: Alloy Steel, Brass, Nickel
10

Xinxinlin Mailbox Lock Replacement (L-1172C) with Keys

  • Easy installation with included keys and latch.
  • Compatible with Florence F Series CBU & 4C units.
  • Enhances security for your mailbox and packages.
  • Durable design ensures long-lasting performance.
  • Unique keying for added security and peace of mind.
  • Meets USPS standards for mailbox locks.
  • Customer support available for any inquiries.
  • Average Rating out of 5:
  • Price Range: $18.99
11

Architectural Mailboxes Key Blank (Model 5143)

  • Includes four key blanks for convenience.
  • Specifically designed for high-security mailbox locks.
  • Not compatible with automated key duplicating machines.
  • Must be duplicated at a professional locksmith.
  • Constructed from durable brass material.
  • Use compatibility guide for correct key selection.
  • Ensure reliable access to your mailbox.
  • Average Rating out of 5:
  • Price Range: $21.15
  • Size: ‎Pack of 1
  • Material: Brass
12

Ymtzfu Heavy-Duty Mailbox Lock (C7120)

  • Heavy-duty mailbox lock for enhanced security.
  • Compatible with C9100/C9200 mailbox models.
  • Easy installation in under 5 minutes.
  • Includes 3 keyed alike keys for convenience.
  • Durable nickel finish for long-lasting performance.
  • Comes with necessary installation accessories included.
  • USPS compliant for reliable mailbox security.
  • Average Rating out of 5:
  • Price Range: $21.99
  • Size: ‎1 Piece
  • Material: Nickel
13

ARLINGTON EB1212-1 Electronic Equipment Enclosure

  • Protects power backups and security devices.
  • Dimensions: 12" x 12" x 4".
  • Made from heavy-duty, UV-rated material.
  • Lockable latch accommodates a padlock.
  • Optional key-lock for added security.
  • Includes handy knockouts for easy installation.
  • Non-metallic design prevents debris interference.
  • Average Rating out of 5:
  • Price Range: $43.99
  • Size: ‎12" x 12" x 4"
  • Material: Plastic
14

Yqwwda Mailbox Lock (L-1172C) with 3 Keys

  • High-quality zinc alloy construction for durability.
  • Corrosion-resistant for long-lasting outdoor use.
  • Enhanced security for your mailbox and belongings.
  • Easy installation with included instructions and hardware.
  • Compatible with L-1172C mailboxes for hassle-free replacement.
  • Includes 3 identical keys and 6 specifications.
  • Responsive customer service available within 24 hours.
  • Average Rating out of 5:
  • Price Range: $26.99
  • Size: ‎1 Piece
  • Material: Zinc
15

VIDABTE C9100 Mailbox Lock Replacement (L-1172C)

  • Compatible with USPS-L-1172C mailbox lock.
  • High-quality materials for durability and performance.
  • Unique keying for enhanced security.
  • Designed to prevent mail theft and vandalism.
  • Includes 3 keys for convenience.
  • Easy installation with necessary mounting hardware included.
  • Suitable for residential and commercial use.
  • Average Rating out of 5:
  • Price Range: $14.90
  • Material: Metal
16

Yqwwda Mailbox Lock Replacement (L-1172C)

  • High-quality zinc alloy construction for durability.
  • Nickel finish enhances rust resistance.
  • Secure access for peace of mind.
  • Easy installation with included hardware and instructions.
  • Compatible with L-1172C mailbox models.
  • Includes 3 keys for convenience.
  • Responsive customer service available within 24 hours.
  • Average Rating out of 5:
  • Price Range: $15.99
  • Size: ‎1 Piece
  • Material: Zinc Alloy + Nickel Finish
17

Xinafan Mailbox Lock Replacement Kit

  • Ultimate mailbox lock with keys replacement solution.
  • Compatible with major mailbox brands for easy installation.
  • 360° protection for mailboxes, cabinets, and drawers.
  • Keyed different with 5 steel cams included.
  • Corrosion-resistant nickel finish and stainless steel components.
  • Anti-theft design prevents key removal when unlocked.
  • Includes all components for hassle-free replacement.
  • Price Range: $9.99
18

PRIME-LINE S 4531 Mailbox Lock (NA-14)

  • Replacement lock for lost or broken mailbox locks.
  • Compatible with several mailbox brands and models.
  • Includes 5 zinc-plated steel cams for versatility.
  • Comes with 2 keys for easy access.
  • Security feature prevents key removal when unlocked.
  • Unlocks by turning key counter-clockwise, 90º rotation.
  • Durable nickel finish for long-lasting use.
  • Average Rating out of 5:
  • Price Range: $10.93
  • Material: Brass, Nickel
19

PRIME-LINE Mail Box Lock with Cams (MP4530)

  • Durable diecast construction for longevity.
  • Nickel plated face for corrosion resistance.
  • Includes 9 cams for versatile installation.
  • Spring clip installation for easy setup.
  • Spring steel locking clip enhances security.
  • Clockwise rotation for convenient operation.
  • Adjustable wrench required for installation.
  • Average Rating out of 5:
  • Price Range: $6.32
  • Size: ‎1 Pack
  • Material: Alloy Steel, Brass, Nickel
20

OAKMOORE Heavy Duty Shipping Container Lock

  • Heavy duty steel for maximum security and durability.
  • Easy installation in seconds, no tools required.
  • Fits various container sizes, adaptable design.
  • Rust-resistant finish ensures long-lasting protection.
  • Anti-hammer lock protection against forced entry.
  • Compatible with semi trucks and cargo trailers.
  • Upgraded security vs standard container locks available.
  • Average Rating out of 5:
  • Price Range: $99.00
  • Material: Alloy Steel
21

Hehdbz L-1172C Mailbox Lock Replacement

  • Meets USPS security standards for reliable protection.
  • Includes three identical keys for convenience.
  • Easy installation for quick mailbox lock replacement.
  • Compatible with various Florence mailbox units.
  • Durable design ensures long-lasting performance.
  • Each lock set has unique key for security.
  • Responsive customer support for any inquiries.
  • Average Rating out of 5:
  • Price Range: $24.99
  • Material: Stainless Steel, Metal
22

VIDABTE Multipurpose Mailbox Lock Replacement

  • Compatible with various mailbox brands.
  • Security feature prevents key removal when unlocked.
  • Includes 5 different sized deadbolts.
  • Comes with 2 keys for convenience.
  • Easy installation with included locking clip.
  • Unlock by rotating key counterclockwise.
  • Flexible return policy for customer satisfaction.
  • Price Range: $8.99
  • Material: Metal
23

Xinxinlin Mailbox Lock Replacement with Keys

  • Includes two keys for easy replacement.
  • Universal fit for most mailbox brands.
  • Compatible with Hudson 1003M keyway.
  • 90° counter-clockwise unlocking system.
  • Durable nickel finish resists rust.
  • Quick installation with adjustable cams.
  • Security clip prevents key removal until locked.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Material: Nickel
24

VIDABTE Replacement Mailbox Lock [1570] with 3 Keys

  • Compatible with Florence F Series CBU & 4C Mail Units.
  • Made of high-quality metal for durability.
  • Comes with three keys for convenience.
  • Meets USPS standards for enhanced security.
  • Prevents mail theft and unauthorized access.
  • Suitable for residential and commercial use.
  • Easy return policy for customer satisfaction.
  • Average Rating out of 5:
  • Price Range: $18.99
  • Material: Metal
25

Hehdbz Mailbox Lock Replacement (L-1172C)

  • Meets USPS standards for enhanced mailbox security.
  • Easy installation for quick mailbox lock replacement.
  • Includes three identical keys for convenience.
  • Compatible with various mailbox models and brands.
  • Durable design ensures long-lasting performance.
  • Unique keys prevent cross-functionality with other locks.
  • Responsive customer service for any inquiries or issues.
  • Average Rating out of 5:
  • Price Range: $16.99
  • Size: ‎1 Piece
  • Material: Metal, Nickel plating
26

EIENHOSHI Cabinet Lock with 4 Keys

  • High security with individually coded keys.
  • Easy to install on standard cabinet doors.
  • Includes four keys for multiple user access.
  • Durable zinc alloy construction for long-lasting use.
  • Prevents unauthorized access to valuables.
  • Perfect for homes and commercial settings.
  • Replacement for EIENHOSHI GLA10960M locks available.
  • Price Range: $7.99
  • Material: Zinc
27

AGUNION USPS L-1172C Mailbox Lock (10 Pack)

  • High-quality lock for USPS L-1172C mailboxes.
  • Durable alloy steel construction for long-lasting use.
  • Compatible with CompX L-1172C mailbox locks.
  • Includes 3 keys for added convenience.
  • 90° clockwise cam rotation for easy operation.
  • Suitable for outdoor pedestal-mounted neighborhood boxes.
  • Contact us for any questions or suggestions.
  • Average Rating out of 5:
  • Price Range: $136.39
  • Material: Stainless Steel