The Jeep Wrangler air filter ensures that clean air makes it's way into the Jeep's engine. It's job is to stop dirt and dust particles and allow clean air to pass through it. Naturally it will become dirty over time and will need to be replaced.
A dirty or clogged filter will restrict airflow to the engine. This can cause power and mpg loss in your Jeep. The operating manual states that the Jeep Wrangler air filter should be changed every 48,000 kilometers (30,000 miles). Dirty or dusty driving conditions can wear out the filter relatively quickly so it's important to inspect the filter often, especially if you are doing any off-roading.
Whether you are inspecting, cleaning or replacing your air filter the process to get into the air box is the same. These instructions will show you how to get into your Jeep's air box and replace the stock Jeep Wrangler air filter.
Replacing the Stock Jeep Wrangler Air Filter
10 mm socket
Engine air filter - Mopar Air Filter #68257791AA
How to Replace the Stock Jeep Wrangler Air Filter
Step 1 - Locate the stock air box and pop the clips
Pop open the Jeep's hood and prop it up. The factory air box is located in the lower left corner of the engine bay. There are four snap clips that hold the top of the box down in place. The clips are fixed to the bottom of the air box. You can pop these clips open without worrying about losing them.
Pull the clips outwards to pop them open.
Step 2 - Unbolt the air duct
There are two 10 mm bolts that keep the air intake assembly in place and will prevent you from opening the air box. They are located to the right of the stock air box just above the radiator.
Use the 10 mm socket to unbolt each bolt. Remove them and keep them in a safe place.
Step 3 - Remove the old air filter
You can now lift up the top of the air box to access the filter. Lift the top of the air box and remove the old air filter. At this point you can use a shop vac to vacuum any dirt that may be at the bottom of the air box.
Step 4 - Install the new air filter
Now that your old filter is out and your air box is clean you can install the new air filter. The new air filter is always installed with the tapered end pointing towards the driver's side of the Jeep and the deepest pleats facing down. Place the new filter inside the air box and be sure that it is properly seated. Close the air box lid.
Step 5 - Replace the bolts and close the clips
Make sure the air box lid is properly seated and snug and then close the four snap clips on the air box. Replace the two bolts that hold the intake assembly in place and then tighten them using the 10 mm socket.