Oil Wick - 1/2" OD x 2-1/4" Long; 13mm OD x 56mm Long - Delco 37MT & 41MT Comm End; 40MT & 50MT Drive End & Lever Housing; 42MT (Comm End & Drive End (3288, 3289, 3299, 3747, 3766, 3902, 6242, 6253, 6265, 6268, 6279, 6280, 6295, 6369, 6370, 6378, 6381, 6394, 6399, 6464, 6502, 6504, 6509, 6518, 6545, 6559, 6618, 6619, 6624, 6625, 6626, 6627, 6628, 6629, 6636, 6637, 6638, 6639, 6660, 6662, 6663, 6668, 6671, 6672, 6680, 6681, 6682, 6683, 6684, 6687, 6688, 6760, 6762, 6767, 6790, 6799)