How to find a missing LEGO part and avoid mistakes?

How to find a missing LEGO part and avoid mistakes?

Finding a LEGO part is not simply about choosing a brick that looks similar. Between references, old colours, mould variants and printed parts, mistakes are more frequent than one might think.

At **Deparkatre**, our daily activity includes identifying, inspecting and selling new and used LEGO parts. Here are our tips to find the right parts and avoid unpleasant surprises.

1. Finding your LEGO set number: the first step

The simplest method is to start by identifying the set to which the missing part belongs.

Each LEGO box has a reference number, usually composed of four to six digits. It appears on the box and on the cover of the instruction booklet.

For example, the LEGO Speed Champions Nissan Skyline GT-R (R34) set has the reference 76917.

Thanks to this number, it is possible to find the inventory of parts composing the model.

If you no longer have the instructions, the official LEGO site also offers downloads of building instructions for many sets, old and recent.

**Our advice:** always start with the set number when you know it. It is generally much simpler than searching for a part only from its shape or colour.

2. Use our missing-parts search tool

We have developed on Deparkatre a tool aimed at simplifying this search, especially for people who do not know the technical references of LEGO parts.

How it works is simple:

1. Go to our tool to find missing LEGO parts. 2. Enter the number of the set to complete. 3. Find the parts that compose this model. 4. Identify the part you are looking for in the correct colour. 5. Check its availability in our shop, new or used depending on stock.

The goal is to enable everyone to find the parts needed for their build without having to learn to use a specialised catalogue.

This is particularly useful when several elements are missing from the same set.

**Find the parts of my LEGO set on Deparkatre**

3. Caution: two identical-looking LEGO parts can be different

This is one of the problems we encounter regularly in our activity.

A LEGO part is not limited to its shape. Its colour, mould, manufacturing era and any printing can be of considerable importance.

Old mould variants

Over the years, LEGO has evolved the design of certain parts.

Two elements that appear identical can thus present small differences: reinforcements, clips, internal shapes, mounting points or moulding details.

These variations do not always change the way of building, but they can be important for collectors or to restore an old set accurately.

At Deparkatre, we have developed our own software to help us identify these differences. When a reference has several mould variants, the software suggests them to facilitate identification.

This computer assistance is particularly useful when handling many references daily.

Old LEGO colours

Colour constitutes another major difficulty.

Some old shades closely resemble more recent colours. This is notably the case for old LEGO greys and modern bluish greys.

Yellowing complicates identification even further.

An old white part can have yellowed over the years, just as some grey parts may have altered in appearance.

You should therefore not confuse a genuine LEGO colour with a discolouration due to ageing.

To limit mistakes, at Deparkatre we use **physical colour charts** made from genuine reference pieces.

Comparing two real bricks is often more reliable than relying solely on a photograph displayed on a screen.

To dig deeper into the subject, consult our guide to identifying LEGO parts: references, colours and variants.

4. The most difficult parts to identify: brackets, hinges and printed elements

Not all LEGO parts present the same level of difficulty.

From our experience, some families require particular attention.

Brackets and hinges

Brackets, those parts allowing construction in different orientations, and hinges, used to make joints or moving elements, can be particularly difficult to identify.

Some references look very similar while their fastening systems, shape or orientation differ.

An error can prevent an assembly or alter the expected result.

We therefore advise checking these parts carefully before ordering them, especially when restoring an old model.

Pad-printed parts

Pad-printed parts have patterns printed directly onto the plastic.

Two parts with the same shape and colour can have different prints, sometimes very similar.

For a standard build, this difference may seem minor. To restore a model or complete a collection, it can be essential.

LEGO stickers

Stickers present another challenge.

You must distinguish the part to which a sticker was applied, the undecorated part and the original sticker sheet.

Finding an old sticker sheet or a part carrying exactly the right sticker can be complicated, especially when the set is no longer sold.

For these particular items, it is better to check the reference and condition before buying.

5. How do we inspect used LEGO parts at Deparkatre?

Buying a used LEGO part can be an excellent solution to complete a set while managing your budget.

But not all second-hand parts are in the same condition.

At Deparkatre, we pay particular attention to the inspection and identification of parts.

We use three complementary tools in particular.

**A microscope to examine the quality of parts.**

It allows us to observe details that are difficult to distinguish with the naked eye and to carry out a more precise inspection when necessary.

**A physical colour chart to check colours.**

We compare parts with genuine LEGO colour references to limit confusion, notably for old shades or parts that have aged.

**Our own software to identify mould variants.**

This programme assists us in cataloguing work and helps us distinguish different versions of the same part.

Our standard is high, but we also prefer to be transparent: despite these checks, an identification error remains possible.

The diversity of parts, colours and variants is considerable, and even rigorous inspection cannot entirely eliminate the risk of error.

Our aim is to minimise these errors as much as possible and to offer correctly identified parts.

6. Where to buy a missing LEGO part?

There are several ways to buy LEGO parts individually. Each has advantages and limitations.

LEGO Pick a Brick: the official solution

The LEGO Pick a Brick service allows you to buy parts directly from the manufacturer.

It is an interesting option, particularly for references still offered in their catalogue.

However, from our experience, the cost of a small order can be relatively high, especially when service fees are added to the price of the parts.

It is therefore useful to compare the total cost before ordering.

BrickLink and BrickOwl: specialised catalogs

BrickLink and BrickOwl are two recognised platforms in the world of LEGO parts.

They allow you to search for specific references and order from specialised sellers.

Their breadth is a real asset for experienced enthusiasts.

By contrast, for a beginner, the search can seem complicated.

You sometimes need to understand technical references, distinguish variants, select the right colours and compare the sales conditions of several shops.

These platforms remain very useful, but they require some learning.

Deparkatre: simplified search to complete sets

At Deparkatre, we have chosen to offer another approach: enabling customers to find their parts directly from the number of their LEGO set.

Our shop offers new and used parts, depending on references and availability.

We thus seek to make buying spare parts more accessible, including for people who are new to this world.

We also offer postage by letter when the dimensions, weight and characteristics of the order allow it.

This can reduce delivery costs for small orders.

And above all, **we do not impose any minimum order amount**.

You can therefore buy a single part if that is all you need.

7. How to pay less for your LEGO parts?

Our first piece of advice is simple: group together as much as possible the parts you need.

If you want to complete several sets, check the inventories of all of them before ordering.

This will avoid multiplying delivery costs unnecessarily.

For small parts, postage by letter can also be an economical solution when the order format allows it.

Finally, remember to compare new and used parts.

A used part that is correctly identified and in good condition can perfectly suit completing a build.

By contrast, for certain collector models, a specific variant or aesthetic condition may be sought.

The best choice therefore depends on your use and the desired level of requirement.

8. Why do some LEGO parts remain unfindable?

Despite the many catalogues and specialised shops, it is not always possible to immediately find a particular part.

Between references, colours and variants, there are over 15 000 part possibilities to consider in our estimate, and a seller cannot necessarily have them all in stock.

Some parts were produced only for particular models. Others correspond to old colours or variants that have become rare.

Stickers and printed parts are also categories that can sometimes be difficult to find.

Our search tool makes it easier to identify the parts composing a set, but **it does not guarantee that all of them are available in our shop**.

We prefer to be transparent about this limitation rather than give the impression that every reference can be ordered immediately.

9. A part is missing from your new LEGO box: what to do?

You must distinguish a part lost after purchase from a part genuinely missing from a new box.

If you have just opened a new set and a part is missing, we advise you to contact LEGO customer service directly.

The manufacturer offers an official replacement parts service for new sets.

This is generally the most suitable solution for that type of situation.

By contrast, if you have lost a part, bought an incomplete second-hand set or want to restore an old model, a spare parts shop is a practical solution.

10. Frequently asked questions about missing LEGO parts

Can you buy a single LEGO part?

Yes. At Deparkatre, no minimum order amount is imposed. You can buy a single part available in our catalogue, taking into account the applicable delivery charges.

How to find a part if I don't know its reference?

If you know the set number, use our set search tool. Otherwise, you can compare its shape, colour and any markings with specialised catalogues.

Does a used LEGO part work like a new one?

A used part in good condition and of a compatible reference can generally be used in a build. However, you must take into account its wear and any mould differences.

Why is an old LEGO part sometimes hard to find?

Some references or colours are no longer produced. Old variants and parts with specific prints can also be less available.

Conclusion: finding the right part sometimes requires more precision than you might think

A missing LEGO part does not mean a build is lost.

Most of the time, starting with the set number already considerably simplifies the search.

But when it comes to old parts, close colours, mould variants or printed elements, precise identification becomes essential.

At Deparkatre, we put our experience, our inspection tools and our cataloguing software at the service of that search.

Our objective is simple: to help you find the parts you really need, without forcing you to buy a complete box.

**Find the missing parts of your LEGO set now on Deparkatre.**

---

*Article written from the experience of the Deparkatre team in identifying, sorting and selling new and used LEGO parts.*

*LEGO® is a registered trademark of the LEGO Group. Deparkatre is an independent shop, not affiliated with the LEGO Group.*