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Air Filter

KT-AF7449 — replaces Fleetguard AF25359

Kaltreo KT-AF7449 air filter, replaces Fleetguard AF25359 — cross-references A2012C, 70-10022, 70-50022

KT-AF7449 is an air filter that replaces Fleetguard AF25359. It has an 11.0629981 IN largest outside diameter, ISO 5011 IN efficiency test standard, and 99.95% IN full life efficiency. It cross-references 18 brands, including Baldwin RS3548/RS3548XP and Donaldson EAF5109/P533655/P539186. Verified fitment is for the 6HK1 diesel engine, with 6HK1 air-filter fitment confirmed against the manufacturer's parts documentation.

Cross-reference

BrandPart number(s)
FleetguardAF25359
AcA2012C
Afe70-10022, 70-50022, 70-70022
BaldwinRS3548, RS3548XP
Big A94664
Carquest88664
DonaldsonEAF5109, P533655, P539186
FramCA8466
General Motors19210366
HastingsAF2248
Isuzu2906469400
John DeereRE51629
KralinatorLA1624
Luber-finerLAF3930
MotorcraftFA1635
Napa6664
Premium GuardHA40134
WixWIX FILTERS, 46664NP, 46664, 546664
WoodgateWGA1107

Fitment engine

6HK1 diesel engines.

Why this fits: A reliable fitment listing explicitly includes GMC T6500/T7500 and Isuzu FTR/FVR with engine ISUZU 6HK1/6HK1TC under Fleetguard AF25359, which directly supports 6HK1 air-filter fitment. Verified against source ↗

Specifications

AttributeValue
Efficiency Test StdISO 5011 IN
Full Life Efficiency99.95% IN
Largest Outside Diameter11.0629981 IN

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KT-AF3657

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KT-AF9432

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KT-AF9833

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KT-AF9928

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KT-AF1937

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Kohler K181

Brand names and part numbers are the property of their owners and are used for reference and interchange identification only. Kaltreo is not affiliated with, and its products are not endorsed by, these owners.

See more: All air filters · All products · Fleetguard cross-reference table

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