How to Find Harley-Davidson OEM Part Numbers: A Complete Guide

Finding the correct replacement parts for your Harley-Davidson motorcycle starts with knowing the right OEM part number. Whether you are repairing your engine, replacing a damaged component, upgrading your exhaust system, or ordering a new electrical part, identifying the correct part number can save you time, money, and unnecessary frustration. How to Find Harley-Davidson OEM Part Numbers OEM Right Saddlebag Factory Harley 2014^ Vivid Black FLH Street Road Glide King

Harley-Davidson motorcycles come in different model families, engine configurations, and production years. Even motorcycles that look almost identical can have different components and part numbers. Ordering a replacement part based only on its appearance or general model description can therefore lead to compatibility problems. How to Find Harley-Davidson OEM Part Numbers Chrome spokes wheels and white walls tires

So, how do you find Harley-Davidson OEM part numbers?

The most reliable methods include using an official Harley-Davidson parts catalog, searching exploded parts diagrams, checking your motorcycle’s VIN, examining existing component markings, and consulting an authorized Harley-Davidson dealer or knowledgeable parts specialist. How to Find Harley-Davidson OEM Part Numbers Black Thunderheader Exhaust pipe

In this guide, we explain How to Find Harley-Davidson OEM Part Numbers and use Harley-Davidson OEM part numbers so you can identify the correct replacement components for your motorcycle. How to Find Harley-Davidson OEM Part Numbers Black/Chrome Switchblades Customized Mag wheels

1. What Is a Harley-Davidson OEM Part Number?

OEM stands for Original Equipment Manufacturer. A Harley-Davidson OEM part number is an identification number assigned to a genuine component supplied or specified by Harley-Davidson for its motorcycles.

These numbers help identify individual components and distinguish between parts that may look similar but have different specifications or applications.

For example, a Harley-Davidson motorcycle contains hundreds of individual components, including:

• Engine and transmission components.
• Brake pads, rotors, and calipers.
• Exhaust pipes and mounting hardware.
• Air cleaners and intake components.
• Electrical wiring and ignition components.
• Clutch and throttle assemblies.
• Suspension components.
• Fuel system parts.
• Handlebars, grips, and controls.
• Seats, fenders, and bodywork.

How to Find Harley-Davidson OEM Part Numbers, Each component can have its own OEM part number, making it easier to identify the exact item needed for maintenance or repairs. How to Find Harley-Davidson OEM Part Numbers Dyna Thunderheader Exhaust

Why Are Harley-Davidson OEM Part Numbers Important?

OEM part numbers are important because they help you identify the correct component for your motorcycle.

Two Harley-Davidson motorcycles from different production years may share the same general appearance but use different electrical connectors, mounting points, engine components, or other specifications.

Using the correct OEM part number helps you:

• Identify the exact replacement component.
• Avoid ordering incompatible parts.
• Find genuine Harley-Davidson replacement parts.
• Compare OEM parts with aftermarket alternatives.
• Check whether a component has been superseded by a newer part number.
• Communicate accurately with motorcycle parts suppliers.

How to Find Harley-Davidson OEM Part Numbers, If you regularly purchase Harley-Davidson replacement parts, understanding OEM part numbers is one of the most useful skills you can develop. How to Find Harley-Davidson OEM Part Numbers Bassani Mid-Length Super Bike Stainless Exhaust

2. Use the Harley-Davidson OEM Parts Catalog

One of the best ways to find Harley-Davidson OEM part numbers is through the official parts catalog.

Harley-Davidson publishes model-specific parts catalogs containing illustrations, component descriptions, identification numbers, and parts lists.

These catalogs are designed to help identify the components used on particular motorcycles.

Where Can You Find a Harley-Davidson Parts Catalog?

You can start with the official Harley-Davidson website and its service information resources.

Visit:

Look for the available parts catalogs and select the publication that corresponds to your motorcycle.

Depending on the model and year, you may find dedicated catalogs for:

• Sportster models.
• Softail models.
• Dyna models.
• Touring models.
• Street models.
• V-Rod models.
• CVO models.
• Other Harley-Davidson motorcycle families.

Always select a catalog that covers the correct motorcycle model and production year. How to Find Harley-Davidson OEM Part Numbers 2 into 1 chrome Bassani exhaust

How to Use the Parts Catalog

Once you have opened the correct parts catalog, follow these steps:

Step 1: Identify your motorcycle model.

Determine the exact model name, model year, and engine configuration.

For example, a 2019 Harley-Davidson Street Glide and a 2019 Road Glide belong to the Touring family but have different configurations and may use different components.

Step 2: Find the relevant parts section.

Parts catalogs are usually organized according to motorcycle assemblies and component groups.

Common sections include:

• Engine assemblies.
• Transmission.
• Primary drive.
• Fuel system.
• Exhaust system.
• Electrical system.
• Front and rear suspension.
• Brakes.
• Bodywork and accessories.

Step 3: Locate the component illustration.

Find the diagram showing the assembly you want to repair or replace.

Step 4: Identify the component in the illustration.

Each component usually has an index number corresponding to an entry in the accompanying parts list.

Step 5: Read the PART NO. column.

Look for the actual part number associated with the component.

Make sure you distinguish between the illustration’s index number and the actual OEM part number.

This distinction is important because the index number simply identifies an item within the diagram, while the PART NO. identifies the component itself.

Step 6: Check the quantity and description.

Some assemblies require multiple identical components, such as bolts, washers, seals, or retaining clips.

Check the quantity listed in the catalog before placing an order. How to Find Harley-Davidson OEM Part Numbers 10 inch chrome prewired handlebars

3. Find Harley-Davidson OEM Part Numbers Using Exploded Parts Diagrams

Exploded parts diagrams are among the most useful resources for identifying Harley-Davidson replacement components.

An exploded diagram shows how individual motorcycle components fit together within a larger assembly.

Instead of trying to identify a part from a photograph alone, you can see its position relative to surrounding components.

What Information Can You Find in an Exploded Parts Diagram?

A typical Harley-Davidson parts diagram may include:

• Component illustrations.
• Item or index numbers.
• Part descriptions.
• OEM part numbers.
• Required quantities.
• Assembly relationships.

For example, if you need to replace a clutch component, an exploded diagram can show the relationship between the clutch hub, friction plates, pressure plate, springs, and associated hardware.

This makes it easier to identify the specific component you need. How to Find Harley-Davidson OEM Part Numbers Fishtails Chrome Exhaust Pipes For Harley

How to Read a Harley-Davidson Parts Diagram

Follow these steps:

1. Select the correct motorcycle model and year.
2. Open the diagram for the relevant assembly.
3. Locate the component you want to replace.
4. Note its index number.
5. Find the corresponding entry in the parts list.
6. Record the OEM part number.
7. Verify the description and quantity.

Important: Do not confuse the index number displayed beside a component in the illustration with its OEM part number. Always use the PART NO. column in the parts list when identifying the number required for ordering.

4. Use Your Harley-Davidson VIN to Identify the Correct Parts

Your motorcycle’s Vehicle Identification Number (VIN) is another important tool when searching for Harley-Davidson OEM part numbers.

The VIN is a unique identification code assigned to your motorcycle. It helps identify the motorcycle’s original model and production specifications.

For modern Harley-Davidson motorcycles, the VIN generally contains 17 characters.

Where Can You Find Your Harley-Davidson VIN?

On most modern Harley-Davidson motorcycles, the full VIN is located in the following places:

• Stamped on the right side of the frame near the steering head.
• Printed on a VIN label attached to the front frame downtube in applicable markets.

Some motorcycles also have an abbreviated VIN stamped on the engine crankcase.

The exact location may vary depending on the model and production year. How to Find Harley-Davidson OEM Part Numbers Chrome prodigy wheels

How Does the VIN Help You Find OEM Part Numbers?

Your VIN can help a dealer or parts specialist identify the correct motorcycle configuration before searching for replacement components.

This is particularly useful when:

• You are unsure of your exact model designation.
• Your motorcycle has different configurations within the same model family.
• You are ordering year-specific components.
• You need help checking original equipment specifications.

However, the VIN is not itself an OEM part number.

It identifies the motorcycle, while the parts catalog identifies the individual components fitted to that motorcycle.

When contacting a Harley-Davidson dealer or parts supplier, provide the complete 17-character VIN whenever possible.

Harley-Davidson’s owner documentation specifically recommends supplying the full VIN when making inquiries about your motorcycle or ordering parts. How to Find Harley-Davidson OEM Part Numbers 30 inch King Spoke front wheel

5. Search for OEM Part Numbers Using an Existing Part

If the component you want to replace is still installed on your motorcycle, you may be able to find its identification number directly on the part.

Some Harley-Davidson components have identifying numbers stamped, engraved, printed, or molded into their surfaces.

Depending on the component, these markings may be located on:

• Engine components.
• Electrical assemblies.
• Sensors and switches.
• Brake components.
• Exhaust components.
• Fuel system components.
• Original accessories.

How to Identify a Part Number on an Existing Component

Start by removing dirt, oil, and grease from the component’s surface using an appropriate cleaning method.

Look for any visible markings, including:

• Numbers stamped into the metal.
• Printed identification labels.
• Molded numbers on plastic components.
• Manufacturer identification codes.
• Assembly or revision markings.

Record the complete number exactly as it appears.

How to Find Harley-Davidson OEM Part Numbers, search for that number in an official parts catalog or ask a Harley-Davidson parts specialist to verify it. Rims for sportster 5 star black rims

Important: Not Every Number Is an OEM Part Number

A component may have several different identification markings.

For example, it might display:

• An OEM part number.
• A supplier’s manufacturing number.
• A casting number.
• A serial number.
• A production batch code.

These numbers do not necessarily identify the component’s orderable Harley-Davidson part number.

Always verify the number before using it to purchase a replacement. How to Find Harley-Davidson OEM Part Numbers black slip on motorcycle exhaust

6. Search for Harley-Davidson OEM Part Numbers Online

Online parts catalogs and motorcycle parts websites can make identifying Harley-Davidson components much easier.

Some websites allow you to search by motorcycle model, year, assembly, or existing part number.

This is particularly useful when you already know the general component you need but do not have access to a printed parts catalog. How to Find Harley-Davidson OEM Part Numbers Step-Up Seat Full Lattice Stitch Dyna Harley Superglide Low Rider FXD

What Should You Look for in an Online Parts Catalog?

A useful Harley-Davidson OEM parts lookup resource should provide:

• Motorcycle year and model selection.
• Model-specific parts diagrams.
• Component descriptions.
• OEM part numbers.
• Part availability information where provided.
• Superseded or replacement part numbers where available.
• Compatibility information.

You can begin with the official Harley-Davidson parts resources:

You can also consult the Harley-Davidson Service Information Portal for available model-specific parts catalogs.

When using independent parts websites, compare the information with manufacturer documentation whenever possible.

How to Find Harley-Davidson OEM Part Numbers, This is especially important for older motorcycles, discontinued components, and parts that have undergone design revisions. How to Find Harley-Davidson OEM Part Numbers black harley prodigy wheels and tires

7. Contact an Authorized Harley-Davidson Dealer

If you cannot find the correct OEM part number through an online catalog, contacting a Harley-Davidson dealer is another reliable option.

Dealers have access to manufacturer parts information and can help identify components based on your motorcycle’s specifications.

What Information Should You Provide?

Before contacting a dealer, prepare the following information:

• Full 17-character VIN, if applicable.
• Motorcycle model.
• Model year.
• Engine configuration.
• Description of the component you need.
• Existing part number, if available.
• A photograph of the component, if necessary.

For example, instead of simply asking for a Harley-Davidson brake lever, explain the motorcycle’s model, year, and exact lever configuration.

This helps the parts specialist narrow down the correct component. How to Find Harley-Davidson OEM Part Numbers batwing fairing mount kit for vt750 shadow phantom black

When Should You Contact a Dealer?

Dealer assistance is particularly useful when:

• The original part number is no longer listed.
• Your motorcycle has undergone modifications.
• Several similar components exist.
• You are unsure about compatibility.
• A part has been replaced by a newer OEM number.
• You are working with a vintage Harley-Davidson.

A dealer can also help determine whether a component is still available through the manufacturer’s parts system. How to Find Harley-Davidson OEM Part Numbers Sugar Bear springer front end

8. Understand Harley-Davidson OEM Part Number Supersessions

One important detail when searching for Harley-Davidson OEM part numbers is that some original part numbers are replaced by newer numbers.

This process is known as part number supersession.

Manufacturers sometimes update components to improve reliability, address production changes, or replace discontinued parts.

As a result, the original OEM part number you find in an older parts catalog may no longer be the current number used when ordering the component. How to Find Harley-Davidson OEM Part Numbers Chrome set of spokes rims

What Does a Superseded Part Number Mean?

A superseded part number means that a newer part number has replaced an older one in the manufacturer’s parts system.

For example, imagine you find an older part number in a motorcycle parts catalog.

When you search for it through a current parts supplier, the system may indicate that a newer part number is now used.

This does not automatically mean the original component was incorrect.

It may simply mean Harley-Davidson has introduced a replacement or updated version. How to Find Harley-Davidson OEM Part Numbers chrome 21 inch mag front wheel package

How to Check Whether a Harley-Davidson Part Number Has Changed

Follow these steps:

1. Record the original part number from the catalog.
2. Search the number in a current OEM parts lookup resource.
3. Check whether a replacement or superseding number is listed.
4. Review any compatibility notes.
5. Confirm that the newer number applies to your motorcycle.
6. Verify whether additional hardware or installation changes are required.

How to Find Harley-Davidson OEM Part Numbers, Never assume that every superseded part is a direct plug-and-play replacement without checking the manufacturer’s compatibility information.

9. How to Make Sure You Have the Correct Harley-Davidson OEM Part Number

Finding a part number is only the first step. You must also confirm that it corresponds to the component you actually need.

Before purchasing a Harley-Davidson replacement part, use this checklist.

Harley-Davidson OEM Part Verification Checklist

1. Verify the motorcycle model year

Make sure you are using a parts catalog that covers the correct production year.

2. Confirm the exact model

Do not rely exclusively on broad model families such as Sportster, Softail, Dyna, or Touring.

3. Check the engine configuration

Engine displacement and configuration can affect component compatibility.

4. Compare the component description

Make sure the catalog description matches the part you want to replace.

5. Check the exploded diagram

Confirm that the component occupies the correct position within the assembly.

6. Verify the OEM part number

Check the number against the PART NO. column in the official parts catalog.

7. Check for superseded numbers

Determine whether a newer part number has replaced the original one.

8. Confirm fitment before ordering

If anything remains uncertain, consult a dealer or qualified parts specialist.

Following these steps reduces the risk of purchasing an incompatible replacement component. How to Find Harley-Davidson OEM Part Numbers Harley sportster rims

10. OEM Harley-Davidson Parts vs. Aftermarket Parts: What’s the Difference?

When shopping for Harley-Davidson replacement components, you will generally encounter two main categories: OEM parts and aftermarket parts.

Understanding the difference can help you decide which components are appropriate for your motorcycle.

OEM Harley-Davidson Parts

OEM parts are genuine manufacturer parts designed or specified for Harley-Davidson motorcycles.

Their identification numbers help you trace the exact components listed in the manufacturer’s parts documentation.

Advantages include:

• Manufacturer-specific identification.
• Original equipment specifications.
• Model-specific catalog references.
• Easier cross-referencing with factory documentation.

Aftermarket Harley-Davidson Parts

Aftermarket parts are manufactured by independent companies rather than supplied as genuine Harley-Davidson OEM components.

They may be designed as direct replacements, performance upgrades, or custom accessories.

Examples include:

• Aftermarket exhaust systems.
• Custom handlebars.
• Performance air cleaners.
• Replacement seats.
• Upgraded suspension systems.
• Custom lighting components.

Aftermarket manufacturers generally use their own product codes rather than Harley-Davidson OEM part numbers.

Some suppliers provide OEM cross-reference information to help customers identify compatible alternatives.

However, an aftermarket part advertised as compatible with a particular Harley-Davidson model should still be checked against its specific year and configuration. How to Find Harley-Davidson OEM Part Numbers black slip on motorcycle exhaust

11. Common Mistakes to Avoid When Searching for Harley-Davidson OEM Part Numbers

Even experienced motorcycle owners can make mistakes when identifying replacement components.

Here are some common problems to avoid.

Using the Wrong Model Year

A part designed for one production year may not fit a similar motorcycle from another year.

Always verify the model year before searching for a replacement.

Confusing Diagram Index Numbers with OEM Part Numbers

Exploded diagrams often display small item numbers beside each component.

These are reference numbers used to connect the illustration with the parts list. They are not necessarily the actual OEM part numbers.

Always check the PART NO. column.

Assuming Similar-Looking Parts Are Interchangeable

Two components may look identical but have different mounting points, electrical connections, dimensions, or specifications.

Visual similarity does not guarantee compatibility.

Ignoring Superseded Part Numbers

An older part number may have been replaced by a newer manufacturer-approved number.

Check the current parts information before purchasing.

Relying on Unverified Online Listings

Not every online parts listing contains accurate fitment information.

Compare part numbers with official catalogs and manufacturer information whenever possible.

Forgetting Small Assembly Components

When replacing a larger component, you may also need separate bolts, seals, washers, clips, or gaskets.

Always check the exploded diagram and parts list to determine whether additional hardware is required. How to Find Harley-Davidson OEM Part Numbers Mustang touring Seat 1996-2003 Harley Dyna Superglide Low Rider Studs FXD FXDL