To check the year your Pressure Cooker was manufactured look on the base of the cooker, it will read Date/ Year E.G. 09/06. To check the model number please refer to the numbers on the base of you Duromatic Cooker. This Lid Handle will fit model numbers 3133, 3134, 3135, 3051, 3067, 3065, 3046, 3047, 3199, 3050 We have listed our full range of Pressure Cooker spare parts If you have a query or can't find the spare part you need please contact us.