THIS IS A UNIT TRIUMPH OIL PUMP ,WILL FIT ALL UNIT TRIUMPH TWIN MODELS, HOWEVER 1966 AND EARLIER MODELS SHOULD USE THE EARLY OIL PUMP 70- 3878 FOR BEST PERFORMANCE. OEM: 70-9421 MANUFACTURED IN THE UK BY L F HARRIS INT LTD. IF YOU HAVE ANY QUESTIONS ABOUT THIS ITEM THEN YOU CAN CONTACT US ON 01371 876027 PLEASE NOTE WE OFFER COMBINED POSTAGE COSTS ON MULTIPLE PURCHASES BUT PLEASE WAIT FOR US TO SEND YOU THE TOTAL COST BEFORE PAYING.