Black Diamond Prime Guard filters are direct replacement for factory filters and cartridges. The filters are designed to fit all factory caps, housings, and connections. The filter media is designed for the highest filtration efficiency and to withstand any pressure surges or collapsing.
TS16949/QS9000/ISO9001 Certified Manufacturer
Prime Guard filters meet or exceed (OEM) Original Equipment Manufacturer’s requirements. New vehicle warranties stay in effect when Prime Guard filters are installed correctly and according to manufacturer’s recommendations.
Prime Guard filers have been used in diesel pickup applications with great results for over five years in our repair facility. They are a quality filter at a reasonable price.
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I've been using these filters for years now and really like them! They perform well!