This is a A-21A300D Module, Ignition PN: 21A300DMain Description As Following : A-21A300D Module, Ignition P.N: 21A300D Fits 2 cyl w/ Delco Distributor #1111558. Models w/ 12V neg. ground systems or 6 volt systems converted to 12 volt neg. ground systems only. Crossed From: 1400-5200 , Found in Section & Models : Ignition & Electrical Parts > Ignition & Related Parts, John Deere TRACTOR: A, John Deere TRACTOR: G, John Deere TRACTOR: 50, John Deere TRACTOR: 60, John Deere TRACTOR: 70 Associated Items : New Also A-FRM-JD, A-JD-C-1932ALL, A-JD-C-1934ALL, A-JD-C-1936, A-JD-C-1937, A-JD-MAGSVC, A-JD-O-DIR103, A-JD-O-OMR2000, A-JD-O-OMR2001, A-JD-O-OMR2002, A-JD-P-PC674, A-JD-P-PC675, A-JD-S-SM2004, A-JD-S-SM2011, A-JD-S-SM2024, A-JD-S-SM2029, A-JD-S-SM2045, A-JD-S-SM2050, A-SMJD4, A-FRM-JD And : High Quality Afternaket Shipped from Both US and Canada