What a STEMCO cross reference does and why you need one

A STEMCO cross reference is a lookup tool that matches STEMCO part numbers to equivalent parts made by other manufacturers, or matches a competitor's part number to the STEMCO equivalent. STEMCO makes wheel-end components, hubs, and bearings primarily for heavy-duty trucks and trailers. If you have a part number from another brand and need to know what STEMCO makes instead — or you have a STEMCO number and need to find what else will work — a cross reference tells you which parts are interchangeable.

You need this because parts catalogs don't always list every equivalent. A mechanic might have a Timken or SKF part number on hand and need to know if STEMCO makes a match. A fleet manager ordering replacements might want to compare STEMCO pricing against competitors. A parts supplier might receive an order for a part under a different brand name and need to confirm what they actually stock.

The cross reference saves you from ordering the wrong part, calling multiple suppliers, or guessing whether two part numbers are truly the same thing.

Key Takeaways

  • STEMCO cross references match STEMCO part numbers to competitors' equivalents and vice versa, letting you find interchangeable parts across brands.
  • You can search by STEMCO number, competitor brand name, or OEM number depending on which information you have on hand.
  • STEMCO's official website and printed catalogs contain cross reference tables organized by product category and bearing type.
  • Third-party distributors and parts databases also maintain cross references, though you should verify matches against STEMCO's own data when possible.
  • Not every part has a direct equivalent, and some cross references are partial matches that require checking specifications before ordering.

Finding STEMCO cross references on the official website

STEMCO publishes cross reference data through their main website at stemco.com. Start by navigating to their product section and selecting the category that matches what you're looking for — hubs, bearings, seals, or wheel-end assemblies. Most product pages include a link to downloadable PDF catalogs or cross reference tables.

Once you're in the product category, look for a "Cross Reference" or "Interchange" tab or link. Enter either the STEMCO part number you're starting with, or the competitor's number if that's what you have. The tool will return matching part numbers, specifications, and notes about whether the match is exact or partial.

If the website search doesn't return results, try downloading the full product catalog as a PDF. These catalogs typically include cross reference pages at the back, organized by product line. You can search within the PDF using your browser's find function (Ctrl+F or Cmd+F) to locate your part number quickly.

Using printed STEMCO catalogs and specification sheets

If you work in a shop or fleet maintenance facility, you may have physical STEMCO catalogs on hand. These contain cross reference tables printed directly into the back pages, usually organized by bearing size, hub type, or process. The layout varies by catalog edition, but most follow a consistent format: STEMCO number in one column, equivalent brands in adjacent columns.

To use a printed catalog, locate the product category that matches your part — for example, "Tapered Roller Bearings" or "Hub Assemblies." Find the row with your known part number, then read across to see what other manufacturers' numbers correspond to it. Pay attention to any footnotes or asterisks, which often indicate partial matches or parts that require specification verification.

If you don't have a current catalog, you can request one from STEMCO directly by phone or through their website. Catalogs are typically free to may have access to customers, though shipping may explore. Requesting a catalog also ensures you receive the most recent version, since part numbers and cross references change as products are updated.

Cross referencing through parts distributors and online databases

Many heavy-duty parts distributors maintain their own cross reference databases and can look up matches for you over the phone or through their websites. Distributors like Meritor, Dana, and regional truck parts suppliers often have STEMCO cross references built into their inventory systems. This is useful if you're already working with a supplier and want a quick answer without navigating STEMCO's website yourself.

Online parts databases like RockAuto, TruckParts.net, and industry-specific platforms also include cross reference functionality. Search for your part number, and the database will show you equivalent parts from other brands along with pricing and availability. These databases are convenient for comparison shopping, but always verify the match against STEMCO's official data before placing an order, since third-party databases occasionally contain errors.

When using a distributor or online database, confirm that the cross reference is current. Part numbers change, and an old database entry might list a superseded number. Ask the distributor directly if they've verified the match recently, or cross-check against STEMCO's website to be certain.

Understanding partial matches and specification verification

Not every cross reference is a perfect one-to-one match. Some parts are similar enough to work in the same process but have minor differences in dimensions, load rating, or sealing design. When you see a cross reference marked as "partial" or with an asterisk or footnote, it means you need to verify specifications before ordering.

Pull up the specification sheets for both the STEMCO part and the equivalent part. Compare bore diameter, outer diameter, width, dynamic load rating, and sealing type. If these match, the parts are interchangeable. If they differ, the parts may not work in your process, even though they serve a similar function.

This is especially important for bearings and hub assemblies, where a size mismatch can cause premature failure or safety issues. When in doubt, contact STEMCO technical support or your distributor to confirm that a partial match will work for your specific vehicle or equipment.

What to do when you can't find a cross reference

If you search STEMCO's cross reference and find no match, it usually means one of three things: the part number you have is incorrect or superseded, STEMCO doesn't make an equivalent product, or the part is so specialized that it has no direct interchange.

Start by double-checking the part number you're searching for — verify every digit and letter, since a single typo will return no results. If the number is correct, try searching for the brand name and general product type instead. For example, if you have a Timken bearing number that won't cross reference, search "Timken equivalent STEMCO bearing" to see if STEMCO lists it under a different category.

If STEMCO genuinely doesn't make an equivalent, contact their technical support team directly. You can reach them through their website or by phone. Provide them with the competitor's part number, your process (vehicle type, axle position, load), and what you're trying to accomplish. They can tell you whether a substitute exists or recommend an alternative solution.

Frequently Asked Questions

Can I use a STEMCO part if the cross reference shows it as a partial match?

A partial match means the parts are similar but not identical. You must compare specifications — bore, outer diameter, width, load rating, and sealing — before ordering. If all specs match your original part, it should work. If they differ, contact STEMCO or your distributor to confirm compatibility for your specific process.

What if the part number I'm looking for is no longer in STEMCO's cross reference?

The part may have been superseded by a newer number. Search STEMCO's website for "superseded" or "discontinued" along with the old number. You can also call STEMCO technical support with the old number and they'll tell you what the current equivalent is and whether it's a direct replacement.

Are STEMCO cross references the same across all distributors?

STEMCO's official cross references are the same everywhere, but individual distributors may maintain their own databases that include additional brands or older part numbers. Always verify a distributor's cross reference against STEMCO's official data if you're unsure, especially for critical applications.

Can I cross reference a STEMCO part to multiple competitors at once?

Yes. STEMCO's cross reference tables and online tools show all known equivalents for a single STEMCO number. You'll see matches from Timken, SKF, FAG, and other brands in one lookup. This is useful for comparing pricing across suppliers or finding what's in stock when your preferred brand is unavailable.

Do I need a STEMCO account to access their cross reference tool?

No. STEMCO's cross reference information is available to anyone on their public website. You don't need to create an account or log in. Printed catalogs are also free to request, though STEMCO may ask for your business information to confirm you're in the industry.