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187441 - Miller Replacement Air Filter for Kubota D722FB-25 Diesel Engine

Packaging: 1 PER EA
$100.31/EA $67.56/1 PER EA only $67.56/EASave 33%

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OVERVIEW

Miller 187441 Air Filter for Kubota D722FB-25 Diesel Engines

The Miller 187441 Air Filter is a critical maintenance component designed specifically for Miller welding machines powered by the Kubota D722FB-25 diesel engine. In the realm of industrial equipment maintenance, the integrity of the air intake system is paramount to the longevity of the power source. Diesel engines, particularly those operating in the dust-laden environments typical of construction sites, fabrication yards, and field repair stations, require superior filtration to prevent the ingestion of abrasive particulates. This genuine OEM filter is engineered to meet the exact airflow and filtration specifications of the Kubota D722FB-25, ensuring that the engine operates within its designed parameters for thermal efficiency and power output.

This replacement filter is compatible with a specific range of heavy-duty Miller equipment, including the Bobcat 250 Diesel, Trailblazer 300D NT, Trailblazer 301D, and Trailblazer 302 Diesel. Utilizing non-OEM or ill-fitting filters can lead to "dusting" of the engine, where unfiltered air bypasses the media and enters the combustion chamber, causing rapid wear of piston rings and cylinder liners. The Miller 187441 provides a secure seal within the air cleaner housing, eliminating bypass risks and ensuring that all intake air passes through the high-efficiency media. Regular replacement of this filter, in accordance with the maintenance schedule provided in your equipment's service manual, is essential for preventing power loss, increased fuel consumption, and costly engine overhauls.

Technicians and maintenance managers understand that the cost of a high-quality air filter is negligible compared to the downtime and expense associated with diesel engine repair. By choosing the Miller 187441, you are selecting a product that maintains the manufacturer's warranty standards and performance criteria. The filter media is designed to trap contaminants while maintaining low restriction to airflow, allowing the Kubota engine to breathe freely even under heavy load conditions. Whether you are servicing a fleet of rental welders or maintaining a single rig, this filter is the correct specification for the D722FB-25 engine platform found in these Miller welder-generators.

Compatible Equipment:

  • Miller Bobcat™ 250 Diesel
  • Miller Trailblazer® 300D NT
  • Miller Trailblazer® 301D
  • Miller Trailblazer® 302 Diesel
Additional Information
Packaging Description:1 Per Ea, pack of 1
Compatible Models:Bobcat 250 Diesel, Trailblazer 300D NT, Trailblazer 301D, Trailblazer 302 Diesel
Part Type:Engine Air Filter
----- new values below ----
Compatible Engine:Kubota D722FB-25
Compatible Models:Bobcat 250 Diesel, Trailblazer 300D NT, Trailblazer 301D, Trailblazer 302 Diesel
Part Type:Engine Air Filter
brand:miller
packaging-description:pack-of-1

INCLUDED

  • (1) Air Filter Element

APPLICATIONS

  • Routine maintenance for Kubota D722FB-25 diesel engines
  • Air intake filtration for Miller Bobcat 250 Diesel welders
  • Engine protection for Miller Trailblazer 300D NT, 301D, and 302 Diesel models
  • Dust and particulate removal in industrial welding environments

FAQ

The Miller 187441 air filter is designed specifically for the Kubota D722FB-25 diesel engine.

This filter is compatible with the Miller Bobcat 250 Diesel, Trailblazer 300D NT, Trailblazer 301D, and Trailblazer 302 Diesel welder generators.

Yes, the Miller 187441 is a genuine Miller replacement part, ensuring correct fitment and filtration specifications for your equipment.

Filter change intervals depend on operating conditions. In dusty environments, check the filter daily and replace it when it appears dirty or restricted. Consult your machine's owner's manual for specific hour-based maintenance schedules.

It is generally recommended to replace paper element air filters rather than cleaning them, as compressed air can damage the filter media and compromise engine protection.

OEM filters like the Miller 187441 are built to the exact tolerances of the engine manufacturer, ensuring a proper seal and adequate airflow, which prevents engine dusting and maintains warranty compliance.

No, this filter is specifically for the diesel version equipped with the Kubota D722FB-25 engine. Gas models typically use a different filter.

No, this part number is for the air filter element only. You will reuse your existing air cleaner housing and hardware.