Air Filter
AF437K AF437KM Primary Engine Air Filter
AF437K / AF437KM Primary Engine Air Filter Product Overview AF437K / AF437KM is an aftermarket primary engine air filter designed for compatible air intake systems requiring Fleetguard AF437K or AF437KM reference specifications. The filter helps capture airborne dust, dirt, and other contaminants, supporting cleaner combustion air and helping protect engine components from abrasive wear. Fleetguard AF437KM is identified as an extended-life version of AF437K. Equivalent service
Specifications
- Model
- AF437K AF437KM Primary Engine Air Filter
- Product Type
- air filter
- Replaces
- Fleetguard AF437K, AF437KM; Baldwin PA1667-FN; Donaldson P101222, P181052; FRAM CAK253; Luber-Finer LAF222; MANN C14179; WIX 42222; SF-FILTER SL6222
- Applicable engine number
- Mitsubishi L300 2.3D/2.5TD, Challenger 2.5TD; Aebi KT50/KT65; Agrifull 40DT, 55DT, 60DT, 70C, 80DT. Selected applications only; verify OEM and dimensions.
- Product size
- Overall Height 290.2 mm End 1 Inside Diameter 68.9 mm End 2 Inside Diameter 17 mm End 2 Outside Diameter 133.1 mm Fin Diameter 161 mm
- Reference Number:
- OEMCAT 3I0269, 3I0804, 9Y6840; Clark/Bobcat 6598492; Hyundai 2813044000; Isuzu 1142151350; Mitsubishi 3083019200; Toyota 1780154011; Ford A830X9601NA; Kubota 1500037101
Product Overview
AF437K / AF437KM Primary Engine Air Filter is an aftermarket replacement designed for compatible diesel engine air intake systems requiring Fleetguard AF437K or AF437KM specifications. Its cylindrical construction helps capture dust, dirt, sand, and other airborne contaminants before they enter the engine, supporting cleaner airflow and reducing contamination-related engine wear. Suitable for selected agricultural machinery, construction equipment, industrial engines, and commercial vehicles, this filter provides a practical replacement solution for global aftermarket distributors and wholesalers. The AF437KM reference is the extended-life version of AF437K; actual NAKATU filter performance must be confirmed before claiming equivalent service life.
Key Features
• Primary engine air filtration for compatible diesel engine systems
• Helps reduce airborne dust and dirt entering the engine
• Cylindrical filter construction for matching air cleaner housings
• Convenient replacement during routine engine maintenance
• Reference applications across agricultural, construction, and industrial equipment
• Aftermarket supply for global importers, distributors, and wholesalers
Vehicle & Equipment Applications
Reference application families include selected configurations of:
• Mitsubishi L300 diesel vans and commercial vehicles
• Mitsubishi Challenger 2.5 TD
• Aebi KT50 and KT65 agricultural equipment
• Agrifull agricultural tractors
• Selected Bobcat, Clark, Caterpillar, and other industrial equipment
Why Choose NAKATU?
NAKATU supplies aftermarket filtration products for agricultural machinery, construction equipment, commercial vehicles, and industrial diesel engines.
Our product range includes engine air filters, oil filters, fuel filters, and hydraulic filters for global aftermarket distribution.
We support importers, wholesalers, distributors, and equipment parts suppliers with product selection assistance, cross-reference verification, and bulk order inquiries.
Wholesale & Distributor Inquiries
Looking for AF437K or AF437KM replacement air filters?
Contact NAKATU for technical specifications, product drawings, OEM interchange verification, wholesale quotations, packaging options, and international shipping information.
Contact NAKATU today for AF437K / AF437KM air filter wholesale inquiries.
Disclaimer: Fleetguard and other manufacturer names and part numbers are used for reference and identification only. NAKATU is an independent aftermarket supplier. Verify all applications and specifications before ordering.
