# Eaton Detroit Truetrac Differential 31 Spline 1.32in Axle Shaft Diameter 3.25 & Up Ratio The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle. - Optimized Torque Bias Ratios Deliver Max Acceleration And Handling - No Special Lubrication Or Friction Modifiers Needed - Helical Gear Limited Slip Differential - Durable; Smooth; Quiet Operation - Works In Forward And Reverse - Ideal For Most Vehicles - Automatic Engagement This Part Fits: Year Make Model Submodel 1963 Ford 300 Base 1986-1987 Ford Aerostar Base 1986-1987 Ford Aerostar XL 1986-1987 Ford Aerostar XLT 1957-1968 Ford Anglia Base 1964 Ford Anglia Super 1966-1974 Ford Bronco Base 1975-1987 Ford Bronco Custom 1985-1987 Ford Bronco Eddie Bauer 1975,1978 Ford Bronco Northland 1975 Ford Bronco Ranger 1978-1981 Ford Bronco Ranger XLT 1968-1969 Ford Bronco Roadster 1975-1977 Ford Bronco Sport 1968-1973 Ford Bronco Wagon 1982-1983 Ford Bronco XLS 1984-1987 Ford Bronco XLT 1982-1983 Ford Bronco XLT Lariat 1984-1986 Ford Bronco II Base 1984-1987 Ford Bronco II Eddie Bauer 1987 Ford Bronco II XL 1984-1985 Ford Bronco II XLS 1984-1987 Ford Bronco II XLT 1962-1965 Ford Capri Base 1964 Ford Capri GT 1957-1959 Ford Club Base 1962-1967 Ford Club Wagon Base 1966-1967 Ford Club Wagon Custom 1962-1963,1966-1967 Ford Club Wagon Deluxe 1962-1964 Ford Consul Base 1957-1961 Ford Consul MK II 1963-1970 Ford Cortina Base 1964 Ford Cortina GT 1966 Ford Cortina Lotus 1957-1974 Ford Country Sedan Base 1957-1974 Ford Country Squire Base 1972-1982 Ford Courier Base 1979-1982 Ford Courier XLT 1957,1964-1972 Ford Custom Base 1957-1960 Ford Custom 300 Base 1964-1977 Ford Custom 500 Base 1975-1977 Ford Custom 500 Ranch Wagon 1957-1958 Ford Del Rio Wagon Base 1969-1982 Ford E-100 Econoline Base 1975-1982 Ford E-100 Econoline Chateau 1969-1974 Ford E-100 Econoline Club Wagon 1975-1983 Ford E-100 Econoline Custom 1975-1978 Ford E-100 Econoline Northland 1983 Ford E-100 Econoline XL 1975-1982 Ford E-100 Econoline Club Wagon Base 1975-1982 Ford E-100 Econoline Club Wagon Chateau 1975-1983 Ford E-100 Econoline Club Wagon Custom 1975-1978 Ford E-100 Econoline Club Wagon Northland 1983 Ford E-100 Econoline Club Wagon XL 1975-1982,1984-1986 Ford E-150 Econoline Base 1975-1982 Ford E-150 Econoline Chateau 1975-1983,1987 Ford E-150 Econoline Custom 1975-1978 Ford E-150 Econoline Northland 1983-1987 Ford E-150 Econoline XL 1975-1982,1984-1986 Ford E-150 Econoline Club Wagon Base 1975-1982 Ford E-150 Econoline Club Wagon Chateau 1975-1983,1987 Ford E-150 Econoline Club Wagon Custom 1975-1978 Ford E-150 Econoline Club Wagon Northland 1983-1987 Ford E-150 Econoline Club Wagon XL 1984-1987 Ford E-150 Econoline Club Wagon XLT 1969-1974 Ford E-200 Econoline Base 1971-1972 Ford E-200 Econoline Chateau Wagon 1969-1974 Ford E-200 Econoline Club Wagon 1970-1974 Ford E-200 Econoline Custom Wagon 1975-1982,1984-1986 Ford E-250 Econoline Base 1975-1982 Ford E-250 Econoline Chateau 1975-1983,1987 Ford E-250 Econoline Custom 1975-1978 Ford E-250 Econoline Northland 1983-1987 Ford E-250 Econoline XL 1975-1982,1984-1986 Ford E-250 Econoline Club Wagon Base 1975-1982 Ford E-250 Econoline Club Wagon Chateau 1975-1983,1987 Ford E-250 Econoline Club Wagon Custom 1975-1978 Ford E-250 Econoline Club Wagon Northland 1983-1987 Ford E-250 Econoline Club Wagon XL 1984-1987 Ford E-250 Econoline Club Wagon XLT 1969-1974 Ford E-300 Econoline Base 1970-1974 Ford E-300 Econoline Chateau Wagon 1969-1974 Ford E-300 Econoline Club Wagon 1971-1972 Ford E-300 Econoline Custom Wagon 1975-1982,1984-1986 Ford E-350 Econoline Base 1975-1982 Ford E-350 Econoline Chateau 1975-1983,1987 Ford E-350 Econoline Custom 1975-1978 Ford E-350 Econoline Northland 1983-1987 Ford E-350 Econoline XL 1977-1982,1984-1986 Ford E-350 Econoline Club Wagon Base 1977-1982 Ford E-350 Econoline Club Wagon Chateau 1977-1983,1987 Ford E-350 Econoline Club Wagon Custom 1977-1978 Ford E-350 Econoline Club Wagon Northland 1983-1987 Ford E-350 Econoline Club Wagon XL 1984-1987 Ford E-350 Econoline Club Wagon XLT 1961-1967 Ford Econoline Base 1975-1976 Ford Elite Base 1957-1961 Ford Escort Base 1976-1978,1983 Ford F-100 Base 1975-1982 Ford F-100 Custom 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger 1978-1981 Ford F-100 Ranger Lariat 1975-1981 Ford F-100 Ranger XLT 1982-1983 Ford F-100 XL 1982-1983 Ford F-100 XLS 1977 Ford F-100 XLT 1982-1983 Ford F-100 XLT Lariat 1976-1978,1983-1986 Ford F-150 Base 1975-1982,1987 Ford F-150 Custom 1975-1978 Ford F-150 Northland 1975-1981 Ford F-150 Ranger 1978-1981 Ford F-150 Ranger Lariat 1975-1981 Ford F-150 Ranger XLT 1982-1987 Ford F-150 XL 1982-1983 Ford F-150 XLS 1977,1983-1984 Ford F-150 XLT 1982,1985-1987 Ford F-150 XLT Lariat 1957-1970 Ford Fairlane 500 1966-1967 Ford Fairlane 500XL 1957-1969 Ford Fairlane Base 1978-1980 Ford Fairmont Base 1978-1980 Ford Fairmont Futura 1960-1970 Ford Falcon Base 1962 Ford Falcon Deluxe 1963-1970 Ford Falcon Futura 1963-1965 Ford Falcon Futura Sprint 1978-1980 Ford Fiesta Base 1971-1972 Ford G-100 Postal 1959-1967 Ford Galaxie Base 1961 Ford Galaxie Club Victoria 1960 Ford Galaxie Special 1961 Ford Galaxie Starliner 1961 Ford Galaxie Sunliner 1961 Ford Galaxie Town Victoria 1962-1974 Ford Galaxie 500 Base 1962-1964 Ford Galaxie 500 Sunliner 1962-1964 Ford Galaxie 500 Victoria 1962-1970 Ford Galaxie 500 XL 1972-1976 Ford Gran Torino Base 1973-1976 Ford Gran Torino Brougham 1974-1975 Ford Gran Torino Elite 1972-1975 Ford Gran Torino Sport 1972-1976 Ford Gran Torino Squire 1975-1980 Ford Granada Base 1978-1980 Ford Granada ESS 1975-1980 Ford Granada Ghia 1964-1965,1968 Ford GT40 Base 1966-1969 Ford GT40 MK III 1965-1980 Ford LTD Base 1970-1976 Ford LTD Brougham 1975-1980 Ford LTD Country Squire 1980 Ford LTD Crown Victoria 1975-1979 Ford LTD Landau 1980 Ford LTD S 1977-1979 Ford LTD II Base 1977-1978 Ford LTD II Brougham 1979 Ford LTD II Landau 1977-1979 Ford LTD II S 1977 Ford LTD II Squire 1970-1977 Ford Maverick Base 1975-1977 Ford Maverick Grabber 1964-1973,1979-1980 Ford Mustang Base 1969-1971 Ford Mustang Boss 302 1971-1972 Ford Mustang Boss 351 1969-1970 Ford Mustang Boss 429 1979-1980 Ford Mustang Ghia 1970-1973 Ford Mustang Grande 1970-1973 Ford Mustang Mach 1 1965-1970 Ford Mustang Shelby GT-350 1966 Ford Mustang Shelby GT-350H 1967-1970 Ford Mustang Shelby GT-500 1968 Ford Mustang Shelby GT-500KR 1974 Ford Mustang II 2+2 1974-1978 Ford Mustang II Base 1974-1978 Ford Mustang II Ghia 1974-1978 Ford Mustang II Mach 1 1971-1980 Ford Pinto Base 1976-1980 Ford Pinto Pony 1976-1980 Ford Pinto Squire 1957-1961 Ford Prefect Base 1957-1974 Ford Ranch Wagon Base 1970 Ford Ranch Wagon Police Cruiser 1967-1979 Ford Ranchero 500 1967 Ford Ranchero 500 XL 1957-1971 Ford Ranchero Base 1957-1958,1966 Ford Ranchero Custom 1968-1979 Ford Ranchero GT 1970-1979 Ford Ranchero Squire 1983,1985-1986 Ford Ranger Base 1987 Ford Ranger Custom 1984,1986-1987 Ford Ranger S 1986-1987 Ford Ranger STX 1983-1986 Ford Ranger XL 1983-1985 Ford Ranger XLS 1983-1987 Ford Ranger XLT 1957-1959 Ford Skyliner Base 1963-1964 Ford Sprint Base 1957-1960 Ford Squire Base 1960 Ford Starliner Base ## Details - **Price:** 954.88 CAD - **Vendor:** Eaton - **Type:** Differentials ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 954.88 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Unmounted --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/eaton-detroit-truetrac-differential-31-spline-1-32in-axle-shaft-diameter-3-25-up-ratio) > Updated: 2026-06-27