this upper looper fits newhome/ janome sergers: 104d, 134d, 203, 204d, 234, 234d, 303, 334, 334d, 434d, 534, 534d, 534dr series ii, 634d, 644d, 734d, 744d, 788d, 1110dx, 3434d, 7034d, harmony9002d, harmy 9102d, hf504d, hf3434d
