How To Locate Electrical Components For Legacy Equipment
Technical, step-by-step guidance to identify parts, verify specifications, cross-reference numbers, and source reliable replacements. Includes checklist, FAQ, and emergency options.
Capture machine model/serial + component function, confirm key specs, then cross-reference by specification—not just brand name—before validating fit and duty cycle.
- Have a photo? Use the photo identifier.
- Need sourcing now? Request a quote.
24-Hour Industrial Part Sourcing Available. If production is stopped or a critical component failed, send a photo plus any markings. We’ll identify likely matches and sourcing options.
Fast Identification Checklist
Capture this data once and you can solve the same problem repeatedly (and faster next time).
- Machine: make / model / serial (plus revision, if shown)
- Component role: what the part does in the system (sensor, valve, bearing, motor, gear, PLC I/O, etc.)
- Fit: mounting pattern, shaft size, port thread, connector type
- Ratings: VAC/VDC, amps; or pressure/flow; or load/speed; or temperature/environment
- Markings: stamped codes, casting numbers, label remnants
- Failure mode: wear pattern, leak point, overheating, electrical fault
Upload photos: https://industrialpartfinder.com/image-quoter/
Cross-Reference Examples (Spec-Based)
Examples of component families frequently used for cross-reference and spec matching.
| Component Type | Example Part Numbers |
|---|---|
| Bearings | SKF 6205-2RS • Timken LM67048 • NTN UC205 |
| Automation | Allen-Bradley 1769-L24ER • Siemens 6ES7-214-1AG40-0XB0 |
| Pneumatics | SMC SY5120-5LZD • Festo VUVS-L20 • SMC VQ110U-5M |
| Packaging | Hayssen 03025B7394 • Yamato 10247A2632 • Rovema 03046A0330 |
Tip: many OEM assemblies map to standard bearings, seals, valves, motors, sensors, or controllers.
Step-by-Step Procedure
Machine / Brand Compatibility (Common Ecosystems)
- Allen-Bradley / Rockwell
- Siemens
- SMC
- Festo
- SKF
- Timken
- THK
If you’re unsure, submit the machine model/serial and a photo of the installed part.
Case Study (Example)
Situation: A packaging facility experienced a production stop due to a failed component in a conveyor drive assembly. The original part was discontinued by the OEM and local distributors had no stock.
Technical approach: Dimensional verification + duty-cycle confirmation + connector/fit validation were used to cross-reference an equivalent replacement.
Result: Replacement sourced rapidly and the cross-reference mapping documented for future maintenance.
FAQ
What information is most important for accurate part identification?
Clear photos, any markings, critical dimensions, and the machine make/model/revision. Include operating conditions and the failure mode for best results.
What if I only have a photo and no part number?
Upload the photo and include any measurements you can. Visual features are often enough to identify families and narrow to exact matches. Use https://industrialpartfinder.com/image-quoter/.
Can I replace an obsolete OEM assembly with an equivalent standard component?
Often, yes. Many OEM assemblies map to standard bearings, seals, valves, motors, sensors, and PLC modules. Validate fit, duty cycle, environment, and compatibility.