366-08126 Filler cap used on the HR, SR, ST, TS/TR, TX Lister Petter engines. 3897 751-10252 push rod tube is

751-10252 push rod tube is used only on the model LPA engine

measuring 5

51mm in thickness or

drawing makes it look like maybe 2 pieces but it's one piece steel filter with drain on bottom

366-08126 Filler cap used on the HR, SR, ST, TS/TR, TX Lister Petter engines. 3897 751-10252 push rod tube is366 18126 Filler cap used on the HR, SR, ST, TS TR, TX engines, this cap is used on the gear cover area of both engines. This part has suppersed part numbers 027 03824 and 366 00091 This will be item will be item 5 on the Lister Petter drawing, if the gasket is all that's needed that part number for that gasket is 303 00253.