Locker Lock Parts and Spares UK: Replacement Keys, Cams, Cylinders and Repair Guide

Locker lock parts and spares help you repair, maintain and extend the life of lockers without replacing the full unit. From replacement keys and cam arms to full lock barrels and electronic components, the right spare part can restore function quickly and reduce long-term costs.

This guide explains locker lock parts and spares in the UK, including what parts are available, when to replace a component instead of a full lock, how to identify compatible parts and when a full lock upgrade is the better option.

Quick answer: Replace individual locker lock parts when the lock body is still working but a component has failed. Replace the full lock if the system is worn, obsolete or no longer suits how the lockers are used.

For full systems, see our locker locks UK guide or browse our locker lock range.

Common locker lock parts and spares

Locker locks are made up of several components. Many of these parts can be replaced individually without removing the entire lock.

• Replacement keys: cut to code for keyed locker locks
• Lock barrels (cylinders): the main locking mechanism
• Cam arms: the rotating metal arm that secures the door
• Fixing nuts and washers: secure the lock to the door
• Spindles and shafts: connect the lock mechanism internally
• Coin lock components: coin boxes, retain/release parts
• Combination lock dials: replacement dial or internal parts
• Electronic lock keypads: external interface panels
• Batteries and battery packs: for electronic locks
• Override keys or master keys: management access

These parts allow targeted repair rather than full replacement, which is often faster and more cost-effective.

When to replace parts vs replace the full lock

Situation	Best action
Lost or missing keys	Order replacement keys cut to code
Loose or worn cam arm	Replace cam or fixing hardware
Lock still works but feels stiff	Service or replace internal components
Lock damaged or forced	Replace full lock
Multiple locks failing across site	Consider full lock replacement or upgrade
Users constantly losing keys	Upgrade to electronic or keyless locks
Obsolete or unsupported lock model	Replace lock with modern equivalent

If the issue is isolated, replacing a part is usually the best option. If problems are repeated across many lockers, a system upgrade may be more efficient.

Replacement locker keys (cut to code)

Replacement keys are one of the most common locker lock spares. Most keyed locker locks have a code stamped on the face of the lock or key. This allows new keys to be cut without removing the lock.

For replacement services, see our replacement locker keys cut to code page.

If the code is missing or unknown, the lock may need to be replaced instead.

Locker cam arms and fixing parts

The cam arm is the part that rotates behind the locker door to secure it. Incorrect cam length or position can cause doors not to close properly.

Replacing a worn or incorrect cam can often fix alignment issues without replacing the full lock. Always match the cam length, bend and fixing type.

Electronic locker lock spares

Electronic locker locks have additional parts that may need replacement over time.

• Battery packs or replacement batteries
• Keypads or front housings
• RFID readers or card interfaces
• Override keys or management tools
• Internal electronic modules

Battery replacement is the most common maintenance task. Planned battery checks reduce lock failures and user disruption.

For full systems, see our electronic locker locks UK guide and smart locker systems UK guide.

Compatibility: choosing the right spare part

Compatibility is critical when ordering locker lock parts. Small differences in size or fixing can prevent the part from working.

• Lock diameter and hole size
• Door thickness
• Cam length and orientation
• Fixing method (nut, clip or screw)
• Lock type (cam, coin, combination, electronic)
• Manufacturer or lock code

For accurate selection, use our locker lock compatibility guide UK.

Locker lock maintenance and spares strategy

Sites with large locker installations benefit from holding common spare parts. This reduces downtime and avoids delays when parts fail.

• Keep spare keys for each lock range
• Stock common cam sizes and fixings
• Hold replacement locks for emergency swaps
• Maintain spare batteries for electronic locks
• Document lock types and codes across the site

This approach turns reactive repairs into planned maintenance.

When to upgrade instead of repair

Replacing parts makes sense when the locker system still works. However, repeated repairs can indicate a wider issue.

• Frequent lost keys → upgrade to keyless or electronic locks
• High admin workload → consider shared-use electronic locks
• Vandal damage → upgrade to anti-vandal locks
• Outdated system → move to modern lock types

Explore upgrade options in our keyless locker locks UK guide and mechanical vs electronic locker locks comparison.

Final recommendation

Locker lock parts and spares are the fastest way to fix common issues and extend locker life. However, repeated faults, high admin or changing user needs often justify a full lock upgrade instead of ongoing repairs.

Start with identification and compatibility. Then decide whether to repair, replace or upgrade.

For parts, replacements and advice, view our locker locks range or contact Total Locker Service.

FAQ: Locker lock parts and spares UK

Can you replace parts of a locker lock?

Yes. Many locker locks allow replacement of parts such as keys, cams, fixings and some internal components. This is often cheaper than replacing the full lock.

How do I get replacement locker keys?

If you have the lock code, keys can usually be cut to code. If the code is missing, the lock may need to be replaced.

What is the most common locker lock spare?

Replacement keys are the most common spare part, followed by cam arms and fixing hardware.

Are locker lock parts universal?

No. Locker lock parts vary by size, type and manufacturer. Compatibility must always be checked before ordering.

Can electronic locker locks be repaired?

Some parts can be replaced, such as batteries or keypads. However, full replacement is often required for internal electronic faults.

Should I repair or replace my locker locks?

Repair is best for isolated faults. Replace or upgrade when problems are repeated, locks are outdated or user needs have changed.

What parts should I keep in stock?

Common spares include keys, cams, fixings, spare locks and batteries for electronic systems.