ECOGARD XT239 Transmission Filter Kit for 1974-1983 Buick LeSabre, 1974-1983 Regal, 1974-1981 Century, 1976-1982 Electra, 1974-1983 Estate Wagon, 1975-1979 Skylark, 1977-1978 Riviera COMPATIBLE WITH 1974-1983 Buick LeSabre, 1975-1981 Pontiac Firebird, 1974-1983 Buick Regal, 1976-1979 Chevrolet G10, 1977-1983 Pontiac Bonneville, 1980-1983 Oldsmobile Cutlass Supreme, 1975-1981 Pontiac LeMans, 1976-1983 Grand Prix. GREATER TRANSMISSION PROTECTION. High-efficiency media helps protect costly transmission components and maintain optimal performance. ECOGARD QUALITY. Manufactured to the highest quality standards for reliable performance and includes proper gasket for trouble-free installation. Replaces: FRAM FT1033A Purolator P239 WIX 58894 OE 8641443.