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Air Filter

KT-AF7727 — replaces Fleetguard AF437K

Kaltreo KT-AF7727 air filter, replaces Fleetguard AF437K — cross-references PA1667-FN, P101222, SMP181052

KT-AF7727 is an air filter that replaces Fleetguard AF437K. It has a largest outside diameter of 5.24016031 IN and a listed full life efficiency of 100% IN. It cross-references 7 brands, including Baldwin PA1667-FN and Donaldson P101222, SMP181052. Verified fitment is the Perkins 4.236 diesel engine, supported by catalog compatibility and confirmed against the manufacturer's parts documentation.

Cross-reference

BrandPart number(s)
FleetguardAF437K
BaldwinPA1667-FN
DonaldsonP101222, SMP181052
FramCAK253
Luber-finerLAF222
Mann-hummelC14179
Premium GuardHA40267
WixWIX FILTERS, 42222

Fitment engine

Perkins 4.236 diesel engines.

Why this fits: A catalog result directly lists Fleetguard AF437K and includes Perkins 4.236 among the compatible applications, so the filter-to-engine relationship is supported. Verified against source ↗

Specifications

AttributeValue
Full Life Efficiency100% IN
Largest Outside Diameter5.24016031 IN

Complete the set for Perkins 4.236

The other Kaltreo filters verified for this engine.

Oil Filters

KT-OF5788

replaces Fleetguard LF701

Fuel Filters

KT-FF5211

replaces Fleetguard FF167

Related air filters

KT-AF3648

replaces Fleetguard AF4103
Perkins 4.236

KT-AF6613

replaces Fleetguard AF26391
Perkins 1103C-33T

KT-AF3657

replaces Fleetguard AF1616M

KT-AF9432

replaces Fleetguard AF1628

KT-AF9833

replaces Fleetguard AF1641

KT-AF9928

replaces Fleetguard AF1643

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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