One New Aftermarket Replacement Electronic Ignition Module that fits

Fits John Deere Tractor Models: 4000, 4010, 4020 (All with Fits Delco Distr. #'s 1112466, 1112640, 1112624)

Fits JD Combine Models: 4400, 7700 (All with Fits Delco Distr. #'s 1112466, 1112640, 1112624)

For Models with 12 volt positive ground or 6 volt systems converted to 12 volt positive ground systems only.

For 6 Cylinder Engines, with Fits Delco Distributor, Replaces Points & Condenser with an electronic module.

Replaces Part Number: 21A310D