Chrome Plated Oil Tank Cap Dipstick 1-1/4"-20 thread Fits Stock Harley-Davidson Oil Tanks 1936-54. This custom oil filler cap replaces Harley-Davidsonpart 62625-36A cap and 62628-36 gasket uséd on Big Twins. It is also a perfect fit for
Gasbox oil tanks that accept a thread-in filler cap, Made in Ohio, USA.