Baldwin RS3539 air filter for the 1987-2003 Peterbilt 379 6-cylinder 12.7L or 14.6L, the 2003-2007 379 6-cylinder 10.8L or 12.5L, the 2004-2007 379 6-cylinder 11.1L and other vehicles strains dust out of the intake air before it reaches the engine. This Baldwin Filters air filter is an outer air element.
A clogged engine air filter can show up as weak power, reduced airflow or a dirt-loaded element on inspection. Those signs alone do not prove the filter is at fault; a fuel system problem can cause weak power as well.
The vehicles it fits include the 1987-2003 Peterbilt 379 6-cylinder 12.7L or 14.6L and the 2003-2023 Western Star 4900FA 6-cylinder 12.8L. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
One air filter element. The quantity per vehicle varies by engine; the 1987-2003 Peterbilt 379 6-cylinder 12.7L takes two.
Interchange: Donaldson P534816
Is this the Peterbilt 379 air filter for a 1987-2003 truck with the 6-cylinder 12.7L or 14.6L?
Yes. Baldwin RS3539 fits the 1987-2003 Peterbilt 379 6-cylinder 12.7L or 14.6L. For any other truck or engine, check your exact model in the "Vehicles it fits" section.
Does the RS3539 have a dust ejector hole, and how big is it?
Yes. The Baldwin RS3539 has a 3 3/4 inch dust ejector hole.
What are the diameters and height of the RS3539 element?
The outer diameter is 11 13/32 in (289.7 mm). The inner diameters are 3 25/32 in (96.0 mm) and 6 23/32 in (170.7 mm), and the height is 23 23/32 in (602.5 mm).
Which way does air flow through this radial seal outer element?
The Baldwin RS3539 has an inside-out flow direction, so air moves from the inside of the element to the outside.
Does Donaldson P534816 interchange with the Baldwin RS3539?
Yes. Donaldson P534816 is listed as an interchange number for the Baldwin RS3539 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.
