Interchangeable Part:for Farmall C F12 W12 I4 I6 O4 O6 F20 F30 W MPN:21401D 21401DAX 57926DX 47439D Equipment Type:Tractor Name:Tractor Coil Type: Coil A great replacement Coil that fits A, B, C, F12, F14, F20, F30, H, I, M, O, & W Series for IH/for Farmall with F4, F6, and H4 Magnetos. Also fits LA, LB gas engines with H1 Magnetos. New for IH or for Farmall Coil Fits H1, H4, F4, and F6 Magnetos Fits for IH/for Farmall:A, B, C, H, M, F-12, W-12, I4, I6, ID6, I-12, O4, OD6, O-12, F-14, , W6, WD6, W9, WD9, W-14, F-20, T-20, F-30, W-40 Replaces:21401D 21401DAX 4739D 57926DX DOES NOT FIT E4 OR E4A MAGNETOS! Colour:Black Material:Plastic+Metal Package Contents: 1 * Coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.