The Baldwin PA2521 air filter for the 2003-2014 IC Corporation RE School Bus 6.0L / 7.3L / 7.6L and other vehicles catches dirt and dust in the incoming air before it reaches the engine. This Baldwin Filters engine air filter is made as the outer air element.
A clogged air filter can show up as weak power or lower fuel economy, and other problems can bring on both. Before you replace the filter, pull the old element with the engine off and look for heavy dirt, holes in the media or a torn gasket.
The 2003-2014 IC Corporation RE Commercial 7.6L and the 1990-2005 International 4700 5.9L / 6.7L / 7.3L / 7.6L / 8.7L are among the many vehicles this air filter fits, with one filter each, while the 2003-2004 IC Corporation RE School Bus 7.3L takes two. Other International, Kenworth and Peterbilt models are listed in the "Vehicles it fits" section, so look there for your vehicle.
Fit and size
Build and materials
One air filter with its gasket attached.
Is the PA2521 the right air filter for a 1990-2005 International 4700 5.9L / 6.7L / 7.3L / 7.6L / 8.7L?
Yes. The Baldwin PA2521 air filter fits the 1990-2005 International 4700 5.9L / 6.7L / 7.3L / 7.6L / 8.7L, with one filter per truck.
Will the Baldwin PA2521 go on a 2003-2014 IC Corporation RE Commercial 7.6L?
Yes. The Baldwin PA2521 fits the 2003-2014 IC Corporation RE Commercial 7.6L with one filter. Other International, Kenworth and Peterbilt models can be found in the "Vehicles it fits" section.
How big is the PA2521 outer air element?
This air filter measures 10 3/8 in (263.5 mm) in outside diameter and 6 1/32 in (153.2 mm) in inside diameter, and it stands 16 7/16 in (417.5 mm) tall.
Does the PA2521 work together with the Baldwin PA2522?
Yes. This outer air element is used with the PA2522, which is a separate part and is not included with this listing.
Which Baldwin number is the long-life media version of this air filter?
The Baldwin LL2521 is the long-life media version related to the PA2521, and this listing is the PA2521 air filter.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
