Get rid of that overpriced stock filter and treat that Duramax right! Switch to a Caterpillar Filter that features a spin on design and filters at 2 microns.
Replacement filters are only $24.95.
1 CNC Black Anodized Filter Adapter
1 Black Bleeder Screw
1 Genuine Caterpillar Filter
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California Residents: Prop 65 Warning
WARNING: Cancer and Reproductive Harm