Review 29 OEM matches for PA3646-FN and the next verification steps before you choose a substitute.
PA3646-FN is a Baldwin air filter that replaces 29 OEM part numbers. Use the table below to check which original equipment numbers are covered before you order a replacement.
Review 29 OEM matches for PA3646-FN and the next verification steps before you choose a substitute.
Cross-reference data helps you build a shortlist, but it should not be the last step. Before buying a replacement for PA3646-FN, verify the application, dimensions, seal or thread style, and service interval requirements against your current filter. If the equipment manual or supplier data disagrees with the lookup result, follow the equipment-side specification first.
| OEM Number | Brand | Source |
|---|---|---|
| 2451 | NAP | baldwin |
| 30406317 | ALCH | baldwin |
| 30406317 | BUDA | baldwin |
| 30406317 | TRCT | baldwin |
| 3214 | ERO | baldwin |
| 42451 | WIX | baldwin |
| 434 | AMP | baldwin |
| 4XAE8 | GRNG | baldwin |
| 73040631 | FIAT | baldwin |
| 84560S | NLSN | baldwin |
| 87451 | CRQ | baldwin |
| 93451 | BGA | baldwin |
| 992 | AMP | baldwin |
| A4451 | HDA | baldwin |
| AF248K | HAS | baldwin |
| AF417K | FLG | baldwin |
| AFR8417K | FLR | baldwin |
| AP104451 | QIF | baldwin |
| ARM104451 | AIR | baldwin |
| ARM913K | AIR | baldwin |
| AZA359 | COO | baldwin |
| CA291 | FRM | baldwin |
| CAK291 | FRM | baldwin |
| G104451 | GAR | baldwin |
| LA173F | KRA | baldwin |
| LAF4451 | LUF | baldwin |
| P104451 | DON | baldwin |
| PMA104451 | CYC | baldwin |
| QSAK291 | QKS | baldwin |
This page is designed to help you move from a part number to a verified shortlist. We combine OEM references, equivalent filter matches, and related pages so you can compare options faster without losing the original application context.
If you are sourcing for maintenance, fleet purchasing, or overseas supply, use the OEM list and related replacements together. That approach is safer than choosing a substitute based only on a similar-looking part number.
PA3646-FN replaces OEM part numbers such as 2451, 30406317, and 30406317 plus 26 additional OEM numbers. Use the cross-reference table to review the supported original equipment numbers.
PA3646-FN is connected to 27 brands in our records, including NAP, ALCH, BUDA, and TRCT and 23 more brands. Use those references as a starting point, then verify the application before buying.
Before replacing PA3646-FN, verify the application, dimensions, thread or seal style, and service requirements against your current filter. Cross-reference data should narrow the shortlist, but final fitment should always be confirmed on the equipment side.
Learn how baldwin cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
Learn how baldwin filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
Learn how filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
We source Baldwin PA3646-FN and compatible replacements directly from OEM-equivalent factories in China. Competitive pricing, flexible MOQ.