When a machine goes down and the original part is out of stock or discontinued, a cross-reference — finding a functionally equivalent part from another manufacturer — gets you running again. Here's a reliable way to do it.
1. Capture every marking on the part
Note the manufacturer name, the full part/model number, and any secondary codes (date codes, revision letters, voltage/pressure ratings). Photograph the nameplate. Small suffixes often carry the spec that matters.
2. Separate the function from the brand
Most industrial components are built to shared standards (ISO bearings, NAMUR valves, DIN rails, NEMA/IEC motor frames). Identify the standardized specification — bore and seal for a bearing, flow and port size for a valve, frame and power for a motor — because that's what an equivalent must match, not the brand.
3. Match the critical specs, not the cosmetics
- Mechanical fit: dimensions, mounting, shaft/bore, thread, flange.
- Performance: load/torque, pressure, flow, voltage, temperature range.
- Environment: IP/NEMA rating, material, certifications (ATEX, UL).
4. Verify before you commit
A cross-reference is only good if the substitute truly drops in. Confirm condition (new / refurbished / surplus), warranty, and lead time in writing before purchase — never assume two part numbers are identical just because a chart pairs them.
Let us do the cross-reference for you
Tell us the original part number and your application. We work across 4,000+ brands and our supplier network to identify a verified equivalent, then send a written quote with availability, condition and price. Browse our brand catalog or request a quote to start.