The exact part number was #51515ST but don't bother looking them up because the "Sport Truck" filter was discontinued last year or so.They were a great filter but sales weren't up to expectations so Dana discontinued them.I purchased the remaining stock from my local NAPA dealer and have enough for a couple of years on my pet Jeep.Here are some of the features listed on the box...silicone anti-drainback AND engine block sealing gasket..MAGNETIC coil retainer spring...high performance "Tuffglass" media especially made for heavy duty use as well as having the industry's highest weighted average effciency...metal endcaps,spiral steel center tube,baseplate by-pass and double thick canister.When I saw them for $6 I bought all twelve in stock...beautiful filters...but a guy on this site (whom works for Wix) told me that the marketing of these filters was lousy (Sport Truck designation was aleinated to auto purchaser)sales went down and they were cancelled...too bad.Anywho I allways cut my filters open and this particular one had a string around the media.Purolater didn't make it due to the fact that stamped on the filter itself it states.."Wix filtration products division,Dana Corporation,Gastonia,NC..Made in the U.S.A patent pending.
Oh well.. I cut open all my filters off all my customers oil changes to see if everything is cool and thats what I found on the Wix...a Baldwin off a Honda is due to-day.