The K&N 33-2323 is a panel-style replacement for the stock engine air filter in the Honda Ridgeline's 3.5L V6. It uses a washable, oiled cotton gauze element in a High-Flow design, and K&N presents it as a way to pull more air through the intake while maintaining filtration levels critical to ensure long engine life. The main case for paying more than a disposable paper element is reuse. The filter is washable and can be cleaned and re-oiled instead of being thrown away, and the manufacturer lists a Filter Re-Oiling Amount · 1.22 oz (36 ml). Its footprint is 13.25 in (337 mm) long and 6.875 in (175 mm) wide. The manufacturer lists this element for the Ridgeline V6-3.5L fuel-injected engine across 2006-2014 model years, so anyone shopping for a 2006-2011 truck should confirm the VIN and model year before ordering. For the install, owners on user forums suggest using an 8mm socket on the air cleaner housing rather than a Phillips driver, since using an 8mm socket rather than a phillips head screwdriver makes the job a lot easier. Owners also warn that corrosion can get in there, so put a little silicone or grease on the threads and be careful not to cross-thread when putting it back together. Look for the lone screw on the back of the airbox as well, which one owner described as awkward to reach.
The manufacturer lists this filter for the Ridgeline V6-3.5L across 2006-2014 model years, which includes 2006 through 2011. Confirm your VIN and engine size against the manufacturer's fitment information before ordering.
The manufacturer specifies a re-oiling amount of 1.22 oz (36 ml) for this filter.
This is an engine air box job rather than a cabin filter change, so plan on removing the air cleaner cover to reach the element. Owners on user forums recommend an 8mm socket for the housing fasteners, a light coat of grease or silicone on the threads at reassembly, and care to avoid cross-threading. Confirm the expected install time and cleaning interval with the manufacturer, as those details were not verified in our research.