# MagnaFlow 93418 Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) for 1977-1984 Buick Century and More ### Performance Overview The Direct Fit Catalytic Converter is designed with a ribbed body that can reduce expansion and distortion when the converters heat up. These ribs holds the ceramic catalyst in a proper position and it also forms a channel that shields the cushioning mat from direct exposure to exhaust gases. The ceramic coating is made for maximum surface area and flow, and the coating method is strictly controlled so that exact ### Key Features - Brand: MagnaFlow - Part number: 93418 - Product type: Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - Designed for compatible vehicle applications listed on this page ### Vehicle Fitment - 1978 Buick Century, Note: Custom, Limited, Special, Sport; 3.2L, 3.8L, 5.0L; 2.50"; 2.50" - 1979 Buick Century, Note: Custom, Limited, Special, Sport; 3.2L, 3.8L, 4.9L; 2.50"; 2.50" - 1980 Buick Century, Note: Limited, Sport; 3.8L; 2.50"; 2.50" - 1981 Buick Century, Note: Base, Estate, Limited, Sport; 3.8L, 4.3L; 2.50"; 2.50" - 1981 Buick Electra, Note: Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" - 1982 Buick Electra, Note: Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" - 1983 Buick Electra, Note: Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" - 1981 Buick Estate Wagon, Note: Base; 5.0L; 2.50"; 2.50" ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 93418. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) for Buick Century - 93418 fitment - MagnaFlow Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - 1977 Buick Century Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1978 Buick Century Custom, Limited, Special, Sport; 3.2L, 3.8L, 5.0L; 2.50"; 2.50" 1979 Buick Century Custom, Limited, Special, Sport; 3.2L, 3.8L, 4.9L; 2.50"; 2.50" 1980 Buick Century Limited, Sport; 3.8L; 2.50"; 2.50" 1981 Buick Century Base, Estate, Limited, Sport; 3.8L, 4.3L; 2.50"; 2.50" 1981 Buick Electra Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" 1982 Buick Electra Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" 1983 Buick Electra Estate Wagon, Limited, Park Avenue; 4.1L, 5.0L; 2.50"; 2.50" 1981 Buick Estate Wagon Base; 5.0L; 2.50"; 2.50" 1982 Buick Estate Wagon Base; 5.0L; 2.50"; 2.50" 1983 Buick Estate Wagon Base; 5.0L; 2.50"; 2.50" 1980 Buick Lesabre Base, Limited; 4.1L; 2.50"; 2.50" 1981 Buick Lesabre Base, Limited, Sport; 3.8L, 4.1L, 5.0L; 2.50"; 2.50" 1982 Buick Lesabre Custom, Limited, Limited Edition F/E; 3.8L, 4.1L, 5.0L; 2.50"; 2.50" 1983 Buick Lesabre Custom, Limited; 4.1L, 5.0L; 2.50"; 2.50" 1978 Buick Regal Base, Limited; 3.2L, 3.8L, 5.0L; 2.50"; 2.50" 1979 Buick Regal Base, Limited, Sport; 3.2L, 3.8L, 4.9L; 2.50"; 2.50" 1980 Buick Regal Base, Limited; 3.8L, 4.9L; 2.50"; 2.50" 1981 Buick Regal Base, Limited; 3.8L, 4.3L; 2.50"; 2.50" 1982 Buick Regal Base, Estate Wagon, Limited, Limited Turbo; 3.8L, 4.1L; 2.50"; 2.50" 1983 Buick Regal Base, Estate Wagon, Limited; 4.1L; 2.50"; 2.50" 1981 Buick Riviera Base, T-Type; 4.1L, 5.0L; 2.50"; 2.50" 1982 Buick Riviera Base, Limited Edition; 4.1L, 5.0L; 2.50"; 2.50" 1983 Buick Riviera Base, Luxury, Xx Anniversary Edition; 4.1L, 5.0L; 2.50"; 2.50" 1981 Cadillac Deville Base, Cabriolet, D'Elegance; 4.1L, 6.0L; 2.50"; 2.50" 1982 Cadillac Deville Base, Cabriolet, D'Elegance; 4.1L; 2.50"; 2.50" 1983 Cadillac Deville Base, Cabriolet, D'Elegance; 4.1L; 2.50"; 2.50" 1981 Cadillac Eldorado Base, Biarritz, Brougham D'Elegance, Cabriolet; 4.1L, 6.0L; 2.50"; 2.50" 1982 Cadillac Eldorado Base, Biarritz, Cabriolet, Touring; 4.1L; 2.50"; 2.50" 1983 Cadillac Eldorado Base, Biarritz, Cabriolet, Touring; 4.1L; 2.50"; 2.50" 1981 Cadillac Fleetwood Base, Brougham, Brougham D'Elegance, Formal; 4.1L, 6.0L; 2.50"; 2.50" 1982 Cadillac Fleetwood Base, Brougham, Brougham D'Elegance, Formal; 4.1L, 6.0L; 2.50"; 2.50" 1983 Cadillac Fleetwood Base, Brougham, Brougham D'Elegance, Formal; 4.1L, 6.0L; 2.50"; 2.50" 1984 Cadillac Fleetwood Base, Formal; 6.0L; 2.50"; 2.50" 1981 Cadillac Seville Base, Elegante; 4.1L, 6.0L; 2.50"; 2.50" 1982 Cadillac Seville Base, Elegante; 4.1L; 2.50"; 2.50" 1983 Cadillac Seville Base, Elegante; 4.1L; 2.50"; 2.50" 1980 Chevrolet Camaro Base, Berlinetta, Rally Sport; 4.4L; 2.50"; 2.50" 1981 Chevrolet Camaro Berlinetta, Sport, Z28; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1982 Chevrolet Camaro Berlinetta, Sport, Z28, Z28 Indianapolis 500 Pace Car; 5.0L; 2.50"; 2.50" 1980 Chevrolet Caprice Classic, Classic Landau, Classic Sport; 3.8L; 2.50"; 2.50" 1981 Chevrolet Caprice Classic, Classic Estate, Classic Landau; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1982 Chevrolet Caprice Classic, Classic Estate; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1983 Chevrolet Caprice Classic; 3.8L; 2.50"; 2.50" 1978 Chevrolet El Camino Base, Conquista, Ss; 3.3L, 3.8L, 5.0L; 2.50"; 2.50" 1979 Chevrolet El Camino Base, Conquista, Royal Knight; 3.3L, 3.8L, 4.4L; 2.50"; 2.50" 1980 Chevrolet El Camino Base, Conquista, Royal Knight, Ss; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1981 Chevrolet El Camino Base, Conquista, Royal Knight, Ss; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1982 Chevrolet El Camino Base, Conquista, Ss; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1983 Chevrolet El Camino Base, Conquista, Ss; 3.8L; 2.50"; 2.50" 1980 Chevrolet Impala Base, Sport; 3.8L; 2.50"; 2.50" 1981 Chevrolet Impala Base, Estate; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1982 Chevrolet Impala Base, Estate; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1983 Chevrolet Impala Base; 3.8L, 5.0L; 2.50"; 2.50" 1984 Chevrolet Impala Base; 5.0L; 2.50"; 2.50" 1978 Chevrolet Malibu Base, Classic, Classic Estate, Classic Landau; 3.3L, 3.8L, 5.0L; 2.50"; 2.50" 1979 Chevrolet Malibu Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Landau, Police, Sport; 3.3L, 3.8L, 4.4L; 2.50"; 2.50" 1980 Chevrolet Malibu Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Sport; 3.8L, 4.4L, 5.7L; 2.50"; 2.50" 1981 Chevrolet Malibu Base, Classic, Classic Landau; 3.8L, 4.4L, 5.0L, 5.7L; 2.50"; 2.50" 1982 Chevrolet Malibu Classic; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1983 Chevrolet Malibu Classic; 3.8L; 2.50"; 2.50" 1978 Chevrolet Monte Carlo Landau, Sport; 3.3L, 3.8L, 5.0L; 2.50"; 2.50" 1979 Chevrolet Monte Carlo Base, Landau, Sport; 3.3L, 3.8L, 4.4L; 2.50"; 2.50" 1980 Chevrolet Monte Carlo Base, Landau, Sport; 3.8L, 4.4L; 2.50"; 2.50" 1981 Chevrolet Monte Carlo Base, Landau; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1982 Chevrolet Monte Carlo Base; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1983 Chevrolet Monte Carlo Base, Cl; 3.8L; 2.50"; 2.50" 1978 GMC Caballero Base, Diablo, Laredo; 3.3L, 3.8L, 5.0L; 2.50"; 2.50" 1979 GMC Caballero Base, Diablo, Laredo; 3.3L, 3.8L; 2.50"; 2.50" 1980 GMC Caballero Base, Diablo, Laredo; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" 1981 GMC Caballero Amarillo, Base, Conquista, Diablo, Royal Knight; 3.8L, 4.4L, 5.0L; 2.50"; 2.50" ## Details - **Price:** 262.45 CAD - **Vendor:** MagnaFlow - **Type:** Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) - **Tags:** 1978 Buick Century, 1978 Buick Regal, 1979 Buick Century, 1979 Buick Regal, 1980 Buick Century, 1980 Buick Lesabre, 1980 Buick Regal, 1981 Buick Century, 1981 Buick Electra, 1981 Buick Estate Wagon, 1981 Buick Lesabre, 1981 Buick Regal, 1981 Buick Riviera, 1981 Cadillac Deville, 1981 Cadillac Eldorado, 1981 Cadillac Fleetwood, 1981 Cadillac Seville, 1982 Buick Electra, 1982 Buick Estate Wagon, 1982 Buick Lesabre, 1982 Buick Regal, 1982 Buick Riviera, 1982 Cadillac Deville, 1982 Cadillac Eldorado, 1982 Cadillac Fleetwood, 1982 Cadillac Seville, 1983 Buick Electra, 1983 Buick Estate Wagon, 1983 Buick Lesabre, 1983 Buick Regal, 1983 Buick Riviera, 1983 Cadillac Deville, 1983 Cadillac Eldorado, 1983 Cadillac Fleetwood, 1984 Cadillac Fleetwood, 93418, Auto Parts, Automotive, Catalytic Converter, Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD), Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-93418, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 262.45 CAD | In stock | ## Images - MagnaFlow 93418 Direct Fit Standard Catalytic Converter (2.5" ID/2.5" OD) --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-buick-century-catalytic-converter-93418) > Updated: 2026-07-16