Standard Ignition Alternator Diode D-6 for 1971-1989 Buick/Cadillac/Chevrolet 5.0L 4.1L (Apollo, Centurion, Century, Electra)

The Standard Ignition Alternator Diode (part number D-6) is a direct-fit replacement for 1971-1989 Buick, Cadillac, Chevrolet, and GMC vehicles with 5.0L, 4.1L, and 4.8L engines.

Fits: 1971-1989 Buick, Cadillac, Chevrolet, GMC, and International models including Apollo, Centurion, Century, Electra, GS, GS 455, LeSabre, Opel and more — 5.0L, 4.1L, and 4.8L engines.

Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.

Interchanges With: KEM DA14, ACDelco 01977064, BWD SC116, General Motors 1977064, NAPA Echlin AD1206