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AF409K1 Cross Reference

Fleetguard replacement lookup and OEM interchange guide

100 OEM matches0 alternative filtersair filter

Quick Answer

AF409K1 is a Fleetguard air filter that replaces 100 OEM part numbers. Use the table below to check which original equipment numbers are covered before you order a replacement.

How to Verify a Replacement

Cross-reference data helps you build a shortlist, but it should not be the last step. Before buying a replacement for AF409K1, 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 Part Numbers Replaced by AF409K1

OEM NumberBrandSource
ALFA 1163128KHDfleetguard
1238-01OEMfleetguard
AF25550 CAT 140-1454ONANfleetguard
AF1855 BIGA 140-1455ONANfleetguard
CPG 1409260OEMfleetguard
CPG 1409266OEMfleetguard
CPG 1409266OEMfleetguard
AF351K1 CECH 157985OEMfleetguard
LF504 GMC 16006116FRBKfleetguard
NISAN 16546-L9010OEMfleetguard
LF3656 1902215CLARKfleetguard
TF15082A BALD 20052MIOFfleetguard
I-R 22201640KHDfleetguard
222260HOUGHfleetguard
222260-H1IHCHfleetguard
26540148OEMfleetguard
HAMM 27H7943LEYLfleetguard
BIGA 27H7944LEYLfleetguard
ASTR 3031563-R1OEMfleetguard
BIGA 30830-11200OEMfleetguard
CRSL 30980-70020KWSKfleetguard
HTCH 32/200406OEMfleetguard
NAPA 3220217705OEMfleetguard
FRAM 032317OEMfleetguard
MDWS 35626OEMfleetguard
CECO 392090OEMfleetguard
EUC 40595OEMfleetguard
46151728OEMfleetguard
46151729OEMfleetguard
SCOM 5076408YTfleetguard
5500460R-Pfleetguard
5500531R-Pfleetguard
FS19912 LBHR 71004421FALLIfleetguard
WF2051 WHITE 71004652FALLIfleetguard
AF1643 LBHR 74059252FALLIfleetguard
75495OEMfleetguard
HYDEX 77430122FALLIfleetguard
LF580 DVC 814648OEMfleetguard
MTU 0008700958OEMfleetguard
MTU 0870095800OEMfleetguard
CARQ 88626AOEMfleetguard
EUC 9.22.891.17SAVARfleetguard
AH1140 BIGA 9393784EUCfleetguard
AF4882 CRSL 98073FORDfleetguard
FF167 DEMG 09921419IVCOfleetguard
PRFX A-34545OEMfleetguard
ISZ A-37975CASEfleetguard
A52040OEMfleetguard
AF4946 LBRF AF-132KHASTfleetguard
CHAMP AF-2040KOEMfleetguard
KNCT AH-20487JDEERfleetguard
KNCT AH-20488JDEERfleetguard
COPR AH-20488-HJDEERfleetguard
AF4135 TECF AP-856OEMfleetguard
AF4039 APLKH AP901OEMfleetguard
ARM-18-1054A-Rfleetguard
A-R ARM-611-KOEMfleetguard
TECF AT-18426-TOEMfleetguard
TECF AT-18526-TOEMfleetguard
JDEER AT-20488-HOEMfleetguard
AZA304OEMfleetguard
AZA304TOEMfleetguard
C16190OEMfleetguard
FRAM C16901OEMfleetguard
FF42002OR FORD CFM135FCFMfleetguard
AF1974 MOTR FAF-132KHASTfleetguard
AF881 FWA-06-0062DONHfleetguard
DONH FWG-08-0013OEMfleetguard
DONH FWG-08-0023OEMfleetguard
DONH FWG-08-0026OEMfleetguard
DONH FWG-08-0027OEMfleetguard
DONH FWG-08-0038OEMfleetguard
DONH FWG-08-0043OEMfleetguard
DONH FWG-08-0057OEMfleetguard
DONH FWG-08-0061OEMfleetguard
DONH FWG-08-0070OEMfleetguard
DONH FWG-08-0073OEMfleetguard
DONH FWG-08-0074OEMfleetguard
DONH FWG-08-0085OEMfleetguard
DONH FWG-08-0089OEMfleetguard
DONH FWG-08-0097OEMfleetguard
DONH FWG-08-0117OEMfleetguard
DONH FWG-08-0119OEMfleetguard
DONH FWG-08-0124OEMfleetguard
DONH FWG-08-0146OEMfleetguard
DONH FWG-08-0196OEMfleetguard
DONH FWG-08-0380OEMfleetguard
G10-1246GRDINfleetguard
LF5816 GRYM GA-103GNHRfleetguard
PMTC GFE1209OEMfleetguard
HDA HDA-7475HDAfleetguard
AIRMA IS228OEMfleetguard
LF618 NELSN IS231OEMfleetguard
CNTL K-01904BOSSfleetguard
LF750A5OR KRAL KA-16KRKfleetguard
KAX-00-0512OEMfleetguard
KAX-00-2049OEMfleetguard
FF145 LBRF L551A/4OEMfleetguard
LX17OEMfleetguard
RFCO P11-2339OEMfleetguard

About This Cross Reference Page

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.

Frequently Asked Questions

Which OEM part numbers does AF409K1 replace?

AF409K1 replaces OEM part numbers such as ALFA 1163128, 1238-01, and AF25550 CAT 140-1454 plus 97 additional OEM numbers. Use the cross-reference table to review the supported original equipment numbers.

Which brands are associated with AF409K1?

AF409K1 is connected to 29 brands in our records, including KHD, OEM, ONAN, and FRBK and 25 more brands. Use those references as a starting point, then verify the application before buying.

How should I verify a Fleetguard replacement for AF409K1?

Before replacing AF409K1, 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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