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Air Filter

KT-AF0237 — replaces Fleetguard AF25589

Kaltreo KT-AF0237 air filter, replaces Fleetguard AF25589 — cross-references RS3736, 94701, 88701

KT-AF0237 is an air filter that replaces Fleetguard AF25589. Key specifications include a 9.2913436 IN largest outside diameter, ISO 5011 IN efficiency test standard, and 99.95% IN full life efficiency. It cross-references 18 brands, including Baldwin RS3736 and Donaldson DBA5230, EAF5230, P536457. Verified fitment is the Caterpillar 3066T diesel engine, confirmed against the manufacturer’s parts documentation for the CAT 3066/3066T engine family.

Cross-reference

BrandPart number(s)
FleetguardAF25589
BaldwinRS3736
Big A94701
Carquest88701
Caterpillar1318822, 1340685
DonaldsonDBA5230, EAF5230, P536457
FramCA9244
Grove9304100217
HastingsAF2290
HengstE740L
John DeereAT316334
Lanss FiltrosEF762R
Luber-finerLAF8145, LAF8145MXM
Mann-filterC24642, C246422
MitsubishiME441131
Napa6701
Premium GuardHA40139
SakuraA8508
WixWIX FILTERS, 46701, 546701

Fitment engine

Caterpillar 3066T diesel engines.

Why this fits: A Fleetguard application listing explicitly pairs AF25589 with Caterpillar CAT 3066 and also with CAT 3066T in construction filter catalogs, showing this air filter is used on that engine family. The AF25589 product page/cross-reference also maps to Caterpillar 1340685, consistent with CAT 3066T applications. Verified against source ↗

Specifications

AttributeValue
Efficiency Test StdISO 5011 IN
Full Life Efficiency99.95% IN
Largest Outside Diameter9.2913436 IN

Related air filters

KT-AF2136

replaces Fleetguard AF25558
Caterpillar C3.3B

KT-AF8689

replaces Fleetguard AF25598
Caterpillar C15

KT-AF8897

replaces Fleetguard AF4203
Caterpillar C4.4

KT-AF7431

replaces Fleetguard AF879M
Caterpillar 3512B

KT-AF3657

replaces Fleetguard AF1616M

KT-AF9432

replaces Fleetguard AF1628

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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