One New Aftermarket Replacement Head Gasket

Fits John Deere Tractor Models 4000 (SN 215000-335845, 6.404D, 6CYL ENG), 4020 (SN 215000-335845, 6.404D, 6CYL ENG), 4040 (SN 335845 Greater Than), 4230 (SN 335845 Greater Than), 4320, 4430 (SN 335845 Greater Than, 6.404T/A, 6 CYL ENG), 4520 (SN Less Than 335845, 6.404T/A, 6 CYL ENG), 4620 (SN Less Than 335845, 6.404T/A, 6 CYL ENG), 4630 (6.404T/A, 6 CYL ENG)

Replaces Part Numbers R48291, R520534