Clean the aftermarket air filter under the hood in your 2007-2008 Jeep Grand Cherokee 3.0L CRD with a Filter Cleaning Kit. Shop at XDP today and find Filter Cleaning Kits for your S&B, AFE, K&N, AEM, filters and more! Most aftermarket drop-in filters, or cold air intake systems use an oiled or dry filter that is made from a synthetic or cotton gauze filter media. Cleaning your reusable air filter often is crucial when it comes to getting the most life out of your drop-in, or cone air filter. To find the right match for your existing air filter, choose the filter brand and media type to ensure you get the right cleaning kit.