This new reproduction single-groove power steering pump pulley fits 1965-66 Country Sedan, Custom, Galaxie and related full-size vehicles with a 289 engine, without Eaton pump and with air conditioning (A/C); 1965-66 Galaxie, Custom, Country Sedan and related full-size vehicles with a 352, 390 or 428 engine with A/C; 1967 Galaxie 500, Custom, Country Sedan and related full-size vehicles with a 289 engine, without A/C and with a Thermactor emission control system; 1967-68 full-size Mercury with A/C; 1967-69 Galaxie, LTD, and related full-size vehicles with 390 or 428 with A/C; 1969-70 full-size Mercury 390 or 428 engine with A/C; 1970 Galaxie, LTD and related full-size vehicles with 390 engine with A/C; 1965-66 Fairlane / Comet 289 without Eaton pump and with A/C; 1966 Fairlane / Comet 390 with A/C; 1967-69 Fairlane / Comet 390, 427 or 428 with A/C; 1965-66 Mustang 289 without Eaton pump and with A/C; 1967-68 Mustang 390 with A/C; 1969 Mustang 302 or 351 (except Boss) without A/C and without dual-belt alternator; 1969 Mustang 302 or 351 (except Boss) with A/C; 1969-70 Mustang 390 or 428 with A/C; 1965-66 Thunderbird without Eaton pump and with A/C; 1967 Thunderbird without Thermactor emission control system; 1968-69 Thunderbird 390; 1965-66 Falcon / Comet 8 cylinder without Eaton pump and with A/C; 1969-70 Falcon 8-cylinder with A/C; 1969 Comet 302 or 351 without A/C and dual-belt alternator; 1969 Comet 302 or 351 with A/C; 1967 Cougar 289 with A/C; 1967-68 Cougar 390 with A/C; 1969 Cougar 351 without A/C and dual-belt alternator; 1969 Cougar with a 351 engine and A/C; 1969-70 Cougar 390, 427 or 428 with A/C; 1968-70 F-Series (F-100, F-250, F-350) 2-wheel-drive pickup 8-cylinder engine and A/C; 1973-77 F-Series pickup truck 360 or 390; 1973-77 Bronco 8-cylinder. This pulley measures outside diameter 5-1/8" and sheave width 3/8".