K&N Engineering RC-5178 Clamp-On Oval Air Filter

The K&N Engineering RC-5178 air filter element is a clamp-on, oval filter designed for applications requiring a 4-inch flange. Its reusable cotton construction provides a serviceable filtration solution, while the red filter media adds a distinctive appearance under the hood.

This universal air filter features a 9-inch by 5.375-inch top profile, a 10.25-inch by 7.188-inch bottom profile, and a 7.875-inch overall height. The oval shape is suited to installations where available space or intake layout calls for a non-round filter design.

Reusable construction supports continued use through proper maintenance. The K&N Engineering RC-5178 is supplied as one air filter element and is intended for universal application; verify clearance and intake requirements before installation.

Features:

• Brand: K&N Engineering
• Part Number: RC-5178
• Filter Type: Clamp-on oval air filter element
• Construction: Reusable cotton
• Flange Size: 4 inches
• Top Profile: 9 inches by 5.375 inches
• Bottom Profile: 10.25 inches by 7.188 inches
• Overall Height: 7.875 inches
• Color: Red
• Application: Universal
• Quantity: Each