Oil Filter Cross Reference
The world's most complete filter cross-reference database.
Search 986K+ cross-reference records from 5 major brands.
Browse by Brand
Approximate record counts based on the current FilterXRef database snapshot.
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Filter Comparison Tool
Not sure which filter is better? Compare specs side-by-side.
Open the dedicated comparison workspace to enter two part numbers, view their replacement lists, and highlight the shared overlap.
Open Comparison ToolAbout FilterXRef
FilterXRef is your free resource for filter cross-reference data. Whether you're looking for a replacement oil filter, fuel filter, air filter, or hydraulic filter, our database contains roughly 986,000 cross-reference records to help you find the right part.
Supported Brands
- Baldwin - approximately 259,000 cross-references
- Mann - approximately 397,000 cross-references
- Wix - approximately 108,000 cross-references
- Fleetguard - approximately 37,000 cross-references
- Donaldson - approximately 185,000 cross-references
How FilterXRef Works
Start with a known part number, OEM reference, or currently installed filter. FilterXRef surfaces the equivalent records we have mapped across major brands, then links you into exact replacement pages, brand hubs, and supporting guides so you can keep researching without starting from zero.
How to Use Cross Reference Results Safely
Use the lookup results to narrow your shortlist, not to skip verification. The safest workflow is: confirm the original application first, compare the candidate part number next, and only then place an order or quote request. That extra check matters most when you are switching brands or sourcing for fleet maintenance.
Frequently Asked Questions
These answers explain what cross-reference data can help with, and where you should still slow down and verify before buying.
What is an oil filter cross reference?
A filter cross reference connects one part number to equivalent or compatible replacements from another brand. It is a research shortcut, not a final fitment guarantee, so you should still verify the application before buying.
Can I trust cross reference results?
Cross reference results are useful for building a shortlist, especially when you already know the OEM number or current installed filter. The safest process is to verify the application, dimensions, and service requirements against the equipment manual before you swap parts.
How many filters does FilterXRef cover?
FilterXRef currently indexes roughly 986,000 cross-reference records across Baldwin, Mann, Wix, Fleetguard, and Donaldson. That gives you a wide starting point for OEM lookup, sourcing, and replacement research.
When should I verify a replacement before buying?
You should always verify a replacement when the equipment is mission-critical, when the original filter is part of a fleet service program, or when the candidate part number comes from a different brand family. Cross-reference tools narrow the options, but the final check should happen on the application side.
Why do some filter pages show only one result?
Some filter models have only one verified mapping in the current dataset. That does not mean there are no alternatives; it usually means only one cross-reference relationship has been confirmed so far.