Review 36 OEM matches for AF421M and the next verification steps before you choose a substitute.
AF421M is a Fleetguard air filter that replaces 36 OEM part numbers. Use the table below to check which original equipment numbers are covered before you order a replacement.
Review 36 OEM matches for AF421M 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 AF421M, 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 |
|---|---|---|
| ATLAS 11565 | OEM | fleetguard |
| ATCO 11565 | OEM | fleetguard |
| HAST 11565 | OEM | fleetguard |
| CPG 1408296 | OEM | fleetguard |
| 15295 | OEM | fleetguard |
| 17801-2020 | OEM | fleetguard |
| UFI 27.926.00 | OEM | fleetguard |
| IVCO 50616424 | I-R | fleetguard |
| MACOM 5295 | OEM | fleetguard |
| MACK 57PS-4670 | OEM | fleetguard |
| NELSN 8505-68 | OEM | fleetguard |
| GMC 8994736 | OEM | fleetguard |
| GMC 8994737 | OEM | fleetguard |
| AF802 FILT A2771 | MICRO | fleetguard |
| A417CL | OEM | fleetguard |
| SAKUR A724 | OEM | fleetguard |
| AC535 | OEM | fleetguard |
| FF147 AC ADG479 | GUD | fleetguard |
| AF-2222 | OEM | fleetguard |
| AF26152 HAST AF-2771 | MICRO | fleetguard |
| CFM CFM608 | OEM | fleetguard |
| FA-648 | OEM | fleetguard |
| FENGY FK-751 | OEM | fleetguard |
| FMA535 | OEM | fleetguard |
| FILT G10-9086 | OEM | fleetguard |
| AF874 RYCO HDA5335 | RYCO | fleetguard |
| MAHLE LA-608 | OEM | fleetguard |
| LBRF LAF-9086 | OEM | fleetguard |
| LBRF LAF9086XL | OEM | fleetguard |
| DON P11-3179 | OEM | fleetguard |
| DON P11-7435 | OEM | fleetguard |
| DON P11-7580 | OEM | fleetguard |
| DON P11-9235 | DON | fleetguard |
| AF4078 DON P13-1333 | DON | fleetguard |
| DON P13-8133 | OEM | fleetguard |
| SA10371 | OEM | fleetguard |
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.
AF421M replaces OEM part numbers such as ATLAS 11565, ATCO 11565, and HAST 11565 plus 33 additional OEM numbers. Use the cross-reference table to review the supported original equipment numbers.
AF421M is connected to 7 brands in our records, including OEM, I-R, MICRO, and GUD and 3 more brands. Use those references as a starting point, then verify the application before buying.
Before replacing AF421M, 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.
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We source Fleetguard AF421M and compatible replacements directly from OEM-equivalent factories in China. Competitive pricing, flexible MOQ.