PG Automatic Transmission Filter PT1185 | Fits 1984-93 Buick Century, 1985-90 Electra, 1986-91 LeSabre, 1988-90 Reatta, 1988-92 Regal, 1986-90 Riviera, 1987-92 Cadillac Allante Premium filter build to the original filter in terms of fitment, efficiency, pressure and fluid flow Protect the longevity of the transmission when replaced at regular service intervals PG Tranny Kit Includes the filter and a high-quality NBR gasket with fitted screw holes that hold bolts in place for easy installation Replaces GENERAL MOTORS 8636345, 8662853, 8682471, 8689918, ATP B-132, WIX 51942; 58942