Pre Cleaner Wrap 3-3/4 x 6 foam

The K and N Engineering Pre Cleaner Wrap 3-3/4 x 6 foam (part number 25-1770) is a reusable air filter protective wrap designed to extend filter life and reduce maintenance intervals in high-dust environments. This red foam wrap fits 3.75-inch inside diameter air filters and stands 6 inches tall, making it compatible with most K and N performance air filter systems. The foam construction captures larger particulates before they reach the primary filter element, significantly reducing the frequency of filter cleaning and replacement cycles.

Pre-cleaner wraps work by creating an initial filtration stage that traps dust, pollen, and debris before airflow reaches the core filter media. This dual-stage approach is especially valuable in off-road, agricultural, or other high-particulate environments where standard filters clog rapidly. The 6-inch height and 3.75-inch ID specification match K and N's most popular performance filter configurations, ensuring a secure fit without restricting airflow. The reusable foam design means the wrap can be cleaned alongside the primary filter, eliminating the need for repeated replacements and reducing long-term filtration costs.

This wrap suits vehicles operating in dusty or sandy conditions—desert racing, off-road trails, unpaved work sites, and regions with high pollen counts all benefit from pre-filtration. Performance enthusiasts running modified induction systems appreciate the ability to maintain filter cleanliness without compromising air intake velocity. The wrap is a straightforward add-on requiring no modifications to existing intake hardware, making it an accessible upgrade for any vehicle already equipped with a K and N filter in the 3.75-inch ID range.