Always the correct part
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| Detail | Value |
| Part Type | 2-Speed Axle Shift Control Switch |
| Vintage Part | Yes (New Old Stock - NOS) |
| OEM / Interchange Number(s) | B2Q-4107-A (Ford), E5HZ-4107-A (Later Service Part) |
| Note | Used on trucks equipped with the Eaton or equivalent 2-Speed Rear Axle. |
| Year Range | Make | Model (Examples) | Body & Trim | Engine Size (L / CID) |
| 1952-1970s | Ford | B-Series (B-500, B-600, B-700 Buses) | School Bus Chassis | All Gas/Diesel Engines |
| 1952-1970s | Ford | C-Series (C-500, C-600, C-700 Tilt Cab) | Medium Duty Commercial | All Gas/Diesel Engines |
| 1952-1970s | Ford | F-Series (F-500, F-600, F-700 Trucks) | Medium Duty Commercial | All Gas/Diesel Engines |
| 1952-1970s | Ford | N-Series (N-500, N-600, N-700 Trucks) | Short Conventional Commercial | All Gas/Diesel Engines |
1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
