To find the correct Fram filter, you must either:
* Check your owner's manual: This is the most reliable source. It will list the correct oil filter part number for your specific vehicle.
* Look up your truck's specifications online: Use a parts website like AutoZone, Advance Auto Parts, or Napa Auto Parts. Enter your vehicle's Year, Make, Model, and Engine size (5.3L Vortec) to find compatible filters, including Fram options.
* Check the existing oil filter: If you have an old filter, the part number will be printed on it. You can then cross-reference that number with a Fram equivalent using an online parts website.
Simply knowing it's a 5.3L Vortec isn't enough to determine the correct Fram oil filter. The year is crucial.