Automatic Transmission for 1986 Buick LeSabre

6 cylinder. Gas. 3.8l. All models. With hi-output engine. Buick, oldsmobile.

Buick, oldsmobile. Thm440t4. 3.8-231. 2.84 ratio. Code 5bc. Ba, bm. Thm440-t4. 3.8l. Code 6ba, 6bd.