Review 51 OEM matches for P181021 and the next verification steps before you choose a substitute.
P181021 is a Donaldson filter that replaces 51 OEM part numbers. Use the table below to check which original equipment numbers are covered before you order a replacement.
Review 51 OEM matches for P181021 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 P181021, 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 |
|---|---|---|
| 00811044 | Walmo | donaldson |
| 126860 | NLSN | donaldson |
| 2009007 | URIG | donaldson |
| 2191P126860 | MACK | donaldson |
| 25040533 | GM | donaldson |
| 2CR970 | OKSH | donaldson |
| 2MD491 | MACK | donaldson |
| P123462 | WIX 425438R1 | donaldson |
| 470289C1 | NAVI | donaldson |
| 470289C1 | FURU | donaldson |
| 470289C1 | DRSS | donaldson |
| 470289C1 | CUCC | donaldson |
| HSTR 701728450 | NLSN | donaldson |
| 792125 | GM | donaldson |
| 7C8315 | CAT | donaldson |
| 7C8315 | TIM | donaldson |
| 7W7423 | TIM | donaldson |
| 7W7423 | CAT | donaldson |
| 87510 | CRQT | donaldson |
| 8N2896 | CAT | donaldson |
| 8N2896 | TIM | donaldson |
| 8N2S96 | CAT | donaldson |
| FILA 9355 | BIGA 93550 | donaldson |
| 9575P208380 | FMCO | donaldson |
| A43172 | PUPR A45091 | donaldson |
| A5429 | SAKR | donaldson |
| A776C | AC A7954 | donaldson |
| AF2510 | REFI | donaldson |
| AF25789 | PUPR | donaldson |
| AF536 | HSTG | donaldson |
| P181004 | FTGD | donaldson |
| P181004 | FTGD AF996M | donaldson |
| ARM126860 | ARRF | donaldson |
| C4000252 | VCE | donaldson |
| CA2520 | FRAM CA266SY | donaldson |
| CFM803 | CANF CH051146701 | donaldson |
| FA3109 | FTLF FA791 | donaldson |
| P145756 | MCFT FA835 | donaldson |
| G1055 | VCE | donaldson |
| HD7695 | HAVA | donaldson |
| HD8964 | HAVA | donaldson |
| HDA6860 | HDA | donaldson |
| LA171F | KLTR LA916 | donaldson |
| EAF5046 | LBFR LAF8124 | donaldson |
| EAF5049 | BDWN LNC405B05 | donaldson |
| P126860 | MACK | donaldson |
| PA2465 | BDWN | donaldson |
| SA10883 | JURA | donaldson |
| SA459 | WGB | donaldson |
| SL5749 | DART SN184 | donaldson |
| WGA644 | WDGT | donaldson |
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.
P181021 replaces OEM part numbers such as 00811044, 126860, and 2009007 plus 48 additional OEM numbers. Use the cross-reference table to review the supported original equipment numbers.
P181021 is connected to 41 brands in our records, including Walmo, NLSN, URIG, and MACK and 37 more brands. Use those references as a starting point, then verify the application before buying.
Before replacing P181021, 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 donaldson filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
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We source Donaldson P181021 and compatible replacements directly from OEM-equivalent factories in China. Competitive pricing, flexible MOQ.