Oil Tank Fitting 3/8" Nipple 1/8" NPT For Harley Sportster Dyna 63533-41 85115 Available with your choice of 1/8-27 pipe thread (NPT) or 1/4-18 NPT as listed. The nipple type fittings are most commonly used on oil tanks, oil pumps, oil filters, oil coolers and fuel applications. The drain plugs are used for custom oil and fuel tanks.HARDWAREChrome Plated Straight Hose Nipple1/8" NPT Male to 3/8" NippleFits K Model & Sportster 1967/1976, Dyna 1991/1998, FLT models 1993/1998, FL & FX 1965/Later, Softail Early 1984Replaces HD# 63533-41 DISCLAIMER: By buying this item you are fully acknowledging that you've done your research, checked part numbers, and verified that this part will fit your motorcycle, For more information you can easily look up any new part directly from any manufacturers part numbers and all the part numbers we have been able to cross reference and add to the listing. We do not offer returns