Top 8 Cluster Mailbox Lock – Mailbox Locks

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1. PRIME-LINE

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Prime-Line S 4140 Mailbox Lock – Replacement, Opens Counter-Clockwise with 90º Rotation, Multipurpose Mailbox Lock for Several Brands – Nickel Finish, ILCO 1003M Keyway

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PRIME-LINE #ad - Works for several brands – this replacement mailbox lock works for several brands of mailboxes, Auth-Florence, Bommer, including: American Device, and Miami Carey. Includes – replacement lock kit includes a total of 5 zinc-plated steel cams, brass pins, a spring steel locking clip and 2 keys.

This is a 5-pin tumbler lock. Locking security feature – this lock has a security feature that prevents the key from being removed when in the unlocked position, which prevents forgetting the key, and ensuring the mailbox is locked every time it’s used. Replacement lock – this multipurpose replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. Durable, strong construction – made of diecast with a nickel-plated face, this replacement lock is strong and durable, sure to last the test of time.
BrandPRIME-LINE #ad
ManufacturerPrime-Line Products #ad
Height4.88 Inches
Length1.25 Inches
Weight0.21 Pounds
Width3.81 Inches
Part NumberS 4140
ModelS 4140

2. CompX

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CompX USPS-L-1172C National Mailbox Lock New Style C9100 Lock with 3-Keys

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CompX #ad - C9100 operates clockwise. Includes spring clip, mounting nut and 3 keys. Does not include cam/latch.
BrandCompX #ad
ManufacturerCompX #ad
Height1 Inches
Length2 Inches
Weight0.25 Pounds
Width1 Inches
Part NumberUSPS-L-1172C
ModelC9100

3. PRIME-LINE

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Prime-Line Products S 4531 National Keyway Mail Box Lock with 9 Cams and 5 Pin

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PRIME-LINE #ad - Can eliminate stocking of individual locks. Die cast construction. Nickel plated face. Spring steel locking clip. Brass constructed pins.
BrandPRIME-LINE #ad
ManufacturerPrime-Line Products #ad
Height4.88 Inches
Length1.25 Inches
Weight0.02 Pounds
Width3.75 Inches
Part NumberS 4531
ModelS 4531

4. PRIME-LINE

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Prime-Line MP4573 Mailbox Lock, Pack of 1, National Keyway, Nickel, Counter-Clockwise, 90º Rotation, 5 Cam, Nickle

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PRIME-LINE #ad - 9/32" long, miami-carey, florence, 1-3/32" bolt throw. Spring steel locking clip. Counter-clockwise rotation. 5/16 in. Used to replace damaged or missing mailbox locks. Diecast cylinder with brass pins. Reach. Replaces american, Bommer, and Auth. Locking depth, 15/16 in.
BrandPRIME-LINE #ad
ManufacturerPrime-Line #ad
Height1 Inches
Length5 Inches
Weight0.22 Pounds
Width4 Inches
Part NumberMP4573
ModelMP4573

5. COMPX NATIONAL

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Compx National Pin Tumbler Lock, Bright Nickel

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COMPX NATIONAL #ad - Country of manufacture: United States. Padlocks, lockout/Tagout & Security Equipment. Manufacturer: compX NATIONAL.
BrandCOMPX NATIONAL #ad
ManufacturerCompx National #ad
Height0.9 Inches
Length5 Inches
Weight0 Pounds
Width3 Inches
Part NumberC9100
ModelC9100

6. PRIME-LINE

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Opens Counter-Clockwise, 90 Degree Rotation, Prime-Line Products Prime-Line S 4573 Replace Damaged or Missing Mailbox Locks, Nickel Finish, National Keyway, Nickle

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PRIME-LINE #ad - It has 90-degree rotation and opens counter-clockwise. Durable, brass pins and nickel plated face, strong construction – with a diecast cylinder construction, this mailbox lock is strong and built to last.

Easy installation – installation is quick and easy and all parts are included! It makes a great weekend DIY project. Replaces – this mailbox lock can replace a variety of original manufacturer’s locks, Bommer, florence, and Auth. It is 9/32” long with 1-3/32” bolt throw, miami- carey, including American, 5/16” locking depth and 15/16” reach. Replacement part – use this mailbox lock to quickly and easily replace damaged or missing mailbox locks. Includes – this mailbox lock comes with a spring steel locking clip, a threaded body and a nut for optional cam attachment.
BrandPRIME-LINE #ad
ManufacturerPrime-Line Products #ad
Height4.94 Inches
Length1.25 Inches
Weight0.1 Pounds
Width3.81 Inches
Part NumberS 4573
ModelS 4573

7. PRIME-LINE

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Defender Security S 4125 Mail Box Lock, Counter Clockwise Rotation, Pack of 1, 5 Pin, Nickel Plated

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PRIME-LINE #ad - 5-pin tumbler lock. Counter clockwise rotation. 2 keys included. Left locked cam position. Replacement for Bommer brand gang boxes.
BrandPRIME-LINE #ad
ManufacturerPrime-Line Products #ad
Height4.88 Inches
Length1.25 Inches
Weight0.13 Pounds
Width3.81 Inches
Part NumberS4125
ModelS 4125

8. First Watch Security

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First Watch Security 1319 Mailbox Lock Polished Brass Finish

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First Watch Security #ad - Easy to install. New or for replacement application. 1/4 inch bolt. Versatile - can be installed with screws or by turning wing clips.
BrandFirst Watch Security #ad
ManufacturerFirst Watch Security #ad
Height5.71 Inches
Length0.8 Inches
Weight0.1 Pounds
Width3.85 Inches
Part Number1319
Model1319
WarrantyLimited Lifetime