The NTY ECP-MZ-003 crankshaft sensor monitors the position of the crankshaft in Mazda 1.8–2.5 engines. It is used in Mazda 3, 5, 6, CX-7 and MX-5 III vehicles from 2002 onwards.
- Type: Crankshaft position sensor
- Engine displacement: 1.8–2.5
- Compatibility: Mazda 3, Mazda 5, Mazda 6, Mazda CX-7, Mazda MX-5 III
- Compatible model years: 2002 onwards
- Reference numbers: 6M866C3155902048261939, 6M86-6C315, 6M866C315, 6M8G-6C315, 6M8Z6C315AA, J005-T3-2371, J5T32371, L3G2-18-221, L3K9-18-221A