Reproduction, new; replaces Ford Part Number 19B-6336.  Lower rear main seal retainer, goes in a machined area in the rear main bearing cap; if you have an earlier engine that does not have the machined area in the cap, see our part number 1180. If you have a later engine that has the rope retainer cast integrally with the cap, you do not need this. Uses a rope packing; can be used in 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948 Flathead Ford V-8, except 60 hp, with cranks that do not have a double slinger.