Ordering replacement parts for heavy machinery can feel overwhelming — especially when you’re dealing with long, confusing part numbers. One digit off, and you could end up with the wrong size, the wrong fit, or a completely different component.

This guide will help you decode part numbers and give you a simple process to make sure you’re always ordering the right part for your machine.

Why Part Numbers Matter

Part numbers aren’t just random codes — they contain important information about the part’s:

• 📦 Fit and compatibility
• ⚙️ Function or category
• 📐 Size and configuration
• 🔧 Manufacturer or brand origin

Using the wrong part number often leads to wasted time, return shipping costs, and unnecessary machine downtime.

Common Part Number Formats

1. OEM Part Numbers

These are assigned by the original equipment manufacturer (e.g., Caterpillar, Case, Doosan). They typically follow a fixed format, such as:

• CAT: 123-4567
• CASE: D91879
• DOOSAN: K9001234

Tip: Never guess a number — always use your machine’s manual or online catalog (like SIS, CNH Parts Store, or Doosan EPC).

2. Aftermarket or Cross-Reference Numbers

Aftermarket parts often list multiple part numbers to show compatibility. For example, a hydraulic seal kit may fit 3 different OEM numbers. This is why it’s important to verify both the part and the machine application.

How to Find the Right Part Number

Here’s a quick checklist to follow:

1. ✅ Identify the make, model, and serial number of your machine
2. ✅ Use a trusted parts catalog or contact your dealer to confirm the exact part number
3. ✅ Check if the part is OEM or aftermarket (and whether you’re okay with either)
4. ✅ Confirm dimensions, configuration, and any fitment notes
5. ✅ Use a supplier that offers support if you’re not 100% sure

Ordering Made Easy with Intertracts

At Intertracts, we make part ordering simple. Just send us your part number, a photo, or your machine details — and we’ll cross-reference it with our supplier network to find the correct replacement part.

• 🔍 OEM and aftermarket part number lookups
• 📷 You can send us images if the label is worn or unclear
• 📄 PDF part breakdowns and exploded views available on request
• 📞 Fast, bilingual support across Québec and Canada

Conclusion

Ordering the right part starts with understanding your part number. Don’t leave it to chance — use the right resources, and work with a supplier who can guide you. Whether you need OEM or aftermarket, accuracy means uptime.

Need help confirming your part number? Contact Intertracts today — and we’ll make sure you get the right fit, the first time.