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Cylindrical Baldwin air filter PA3891 with pleated paper element and metal end caps

Baldwin Filters

Baldwin Filters PA3891 Round Air Filter 9-11/16 x 19-13/16 in

SKU CH-NG6K-1XFY2

Round automotive engine air filter measuring 9-11/16 by 19-13/16 inches

  • Designed for automotive engines using a round air-filter format
  • Fits housings with a 9-11/16 inch outside diameter
  • Provides 19-13/16 inches of filter height for airflow capacity
  • Ready to install as a direct replacement element
  • Backed by Baldwin Filters manufacturing quality

Application and fit

The Baldwin Filters PA3891 is a round automotive engine air filter designed for equipment that uses a 9-11/16 inch outside diameter and a 19-13/16 inch height. It serves as a direct replacement element for compatible intake housings. Buyers needing a panel-style filter or a different diameter cannot use this part.

Airflow and restriction

The round element design promotes even airflow distribution across the media surface during normal engine operation. With the specified height of 19-13/16 inches, the filter provides the surface area intended by the original equipment manufacturer for standard duty cycles. No additional sealing components are included in the package.

Service life under load

Under sustained high-dust or high-hour conditions the media loads progressively, increasing restriction until the service indicator or maintenance interval signals replacement. The element-only construction means the housing and sealing surfaces must be intact to prevent bypass. Operators running extended intervals should monitor restriction gauges rather than rely on visual inspection alone.

Highlights

  • Designed for automotive engines using a round air-filter format
  • Fits housings with a 9-11/16 inch outside diameter
  • Provides 19-13/16 inches of filter height for airflow capacity
  • Ready to install as a direct replacement element
  • Backed by Baldwin Filters manufacturing quality

Specifications

BrandBALDWIN FILTERS

Questions about this item

How do I install the PA3891 round air filter and what step is often missed?

Seat the 9 11/16 in outside diameter evenly in the housing, then lock the clips; the step most people miss is checking the seal all the way around before closing the cover.

What maintenance or replacement will the PA3891 need later?

Replace the filter at the vehicle manufacturer's service interval or sooner if the media looks dark or damaged; no cleaning or re-oiling is required for this dry-media element.

What limit appears first on the PA3891 during sustained use?

The dry-media element loads with dust until airflow drops below the engine's requirement, which is the first limit you will notice in heavy-duty conditions.

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