Please check the application / compatibility data - verify this item is correct for your vehicle. Unsure? - Send us your Vin# or information of your vehicle (year, model, submodel) - we gladly check for you. Fitment / Compatibility shown in our Listings is based on the Car Manufacturer's data for cars produced for the USA market only, unless otherwise specifically noted. Fitting for the following years and models: Nissan Altima L4; 2.4L 1997-2001 (KA24DE Eng). This item includes: • NGK Spark Plug Wire Set: 1 X NX15 • BOSCH Super Plus Spark Plugs: 4 X FR8DCX. Return Policy: We Understand That from time to time the need to return and item may Occur. Please read below for a detailed overview of our Return Policy •We will exchange defective or damage Products within the warranty Period. This is usually 3 Months. •Please Contact us by using the Amazon messaging system. •Any problem with an Item must be reported within warranty period. •If items are damaged in Transit Please notify us within 48 hours of receiving the Package or no claim will be allowed. •Customer is responsible on Shipping and Return for refund. Business Days: Monday thru Friday 9:00 am to 4:00 pm Pacific Standard Time.