OEM & Private Label
AF26103 AF26268 Air Filter Set
The NAKATU AF26103 AF26268 is a dual-element engine air filter set consisting of a primary air filter and a secondary safety filter. Designed for compatible heavy-duty trucks and diesel engines, the set helps capture airborne dust and contaminants while providing additional protection for the engine intake system. The matched filter configuration supports convenient maintenance of compatible dual-stage air cleaner assemblies.
Specifications
- Model:
- NAKATU AF26103 AF26268 Air Filter Set
- Product Type:
- air filter
- Replaces:
- Fleetguard AF26103 + AF26268 Donaldson P613336 + P613337 Baldwin RS4862 + RS4863 WIX 49088 + 49089 Luber-Finer LAF6663 + LAF6664
- Applicable engine number:
- International ProStar / ProStar LT / TranStar 8600 / WorkStar / HV613 / RH613; Cummins ISM11 / ISX / X15; International N9 / N10 / N13 / A26. Verify air cleaner configuration.
- Key Specifications:
- Primary Filter: AF26103 Length: 408.9 mm Outside Diameter: 250 mm Secondary Filter: AF26268 Outside Diameter: 252.86 mm Inside Diameter: 173.56 mm
- OEM Part Numbers:
- International / Navistar 3551814C1 (Primary) International / Navistar 3551815C1 (Secondary)
Product Overview
The NAKATU AF26103 AF26268 is a dual-element engine air filter set designed for compatible heavy-duty commercial vehicles and diesel engine intake systems.
The set includes an outer primary air filter and an inner secondary safety filter. Working together, these elements help reduce airborne particulate contamination and provide an additional protective barrier for the engine intake system.
Key Features
- Dual-element configuration with primary and secondary air filters.
- Helps capture airborne dust, dirt and particulate contaminants.
- Secondary safety element provides additional intake protection during primary filter servicing.
- Applicable Regions: North America, China, Europe, South America, Southeast Asia, and South Pacific.
Applications
The AF26103 and AF26268 reference filter combination is used in selected International commercial trucks, including ProStar, ProStar LT, TranStar 8500/8600, WorkStar, HV613 and RH613 models.
Reference engine applications include selected Cummins ISM11, ISX and X15 engines, as well as International N9, N10, N13 and A26 engine configurations.
The AF26103 is the primary air filter, while the AF26268 is the secondary safety filter. Both elements must match the original air cleaner housing.
Vehicle compatibility varies according to model year, engine configuration and intake system design. Verify the original part numbers and installation requirements before ordering.
Why Choose NAKATU?
NAKATU provides aftermarket filtration solutions for heavy-duty trucks, construction machinery and industrial diesel equipment.
Our product range includes engine air filters, fuel filters, fuel-water separators, engine oil filters and hydraulic filters.
The AF26103 AF26268 set offers a convenient product combination for distributors and maintenance customers sourcing both primary and secondary air filter elements.
Quality & Supply Assurance
Product dimensions, sealing interfaces, filter materials and installation requirements should be verified against the actual NAKATU products before bulk purchasing.
Customers may request available technical drawings, samples and product information to evaluate compatibility.
Packaging, labeling, order quantities and shipping requirements can be discussed during quotation and order confirmation.
Filtration performance and service life should be confirmed using product-specific technical documentation.
Disclaimer
All third-party brand names and part numbers are used for identification and cross-reference purposes only. NAKATU is an independent aftermarket brand. Please verify product specifications and compatibility before ordering.
