This is a A-21A309D Module, Electronic Ignition PN: 21A309DMain Description As Following : A-21A309D Module, Electronic Ignition P.N: 21A309D 4 cyl. models w/ 12 volt positive ground or 6 volt systems converted to 12 volt positive ground systems only.Dim A (1): Replaces point & condenser w/ an.Dim B (2): Electronic module. Increases spark plug.Dim C (3): Life & horsepower, improves fuel.Dim D (4): Economy. Easy Note: Replaces pointsDim E (5): Condenser w/ electronic module. Found in Section & Models : Ignition & Electrical Parts > Ignition & Related Parts, Allis-Chalmers TRACTOR: SEVERAL (W/ Delco Distr. 1112486, 1112460), Case-IH INDUSTRIAL/CONSTRUCTION: 2544 (W/ Delco Distr.), Case-IH INDUSTRIAL/CONSTRUCTION: 3514 (W/ Delco Distr.), Case-IH TRACTOR: 544 (W/ Delco Distr.), Case-IH TRACTOR: 574 (W/ Delco Distr.), Case-IH TRACTOR: 674 (W/ Delco Distr.), Clark INDUSTRIAL/CONSTRUCTION: ALL MODELS (W/ Delco Distr. #'s 1112637, 1112673), Hyster INDUSTRIAL/CONSTRUCTION: ALL MODELS (W/ Delco Distr. #'s 1112443, 1112635, John Deere INDUSTRIAL/CONSTRUCTION: 500 (W/ Delco Distr. # 1112648), John Deere INDUSTRIAL/CONSTRUCTION: 500C (W/ Delco Distr. # 1112674), John Deere TRACTOR: 3010 (W/ Delco Distr. # 1112623), John Deere TRACTOR: 3020 (W/ Delco Distr. # 1112474, 1112448, 1112623, 1112648), Massey Ferguson FORKLIFT: 2500 (Delco Distr. # 1112644), Massey Ferguson FORKLIFT: 6500 (Delco Distr. # 1112693), Massey Ferguson INDUSTRIAL/CONSTRUCTION: 2135 (Delco Distr. # 1112644), Massey Ferguson INDUSTRIAL/CONSTRUCTION: 2200 (Delco Distr. # 1112644), Massey Ferguson INDUSTRIAL/CONSTRUCTION: 3165 (Delco Distr. # 1112644), Massey Ferguson TRACTOR: 135 (Delco Distr. # 1112643 or 1112644), Massey Ferguson TRACTOR: 150 (Delco Distr. # 1112643 or 1112644), Massey Ferguson TRACTOR: 165 (Delco Distr. # 1112644) Associated Items : New Also A-AC-S-LPEQUIP, A-IH-O-3121, A-IH-P-ENG-4DSL, A-IH-P-ENG14CYL, A-IH-S-544UTIL, A-IH-O-3121, A-IH-O-3514WLDR, A-IH-P-ENG-4DSL, A-IH-P-ENG14CYL, A-IH-P-3082, A-IH-P-3514, A-IH-S-CLUTCH, A-IH-S-ENGC123, A-IH-S-ENGD155, A-IH-S-ENGD166, A-IH-S-ENG157, A-IH-O-544, A-IH-P-ENG-4DSL, A-IH-P-ENG14CYL, A-IH-P-RMDSLPUMP And : Replaces point and condenser with an electronic module. Increases spark plug life, horsepower, and
fuel economy. For 12 volt positive ground systems only.