SMP Crankshaft Sensor Reliable engine timing feedback for precise fuel injection and ignition control. The SMP Crankshaft Sensor is engineered for durability and accurate performance in extreme conditions. Durability tested: Sensors undergo three separate 48–64 hour vibration tests to ensure a long service life under the harshest conditions. Wide temperature range: Verified performance from −40°F to 257°F for consistent operation in cold starts and high-heat environments. EMI resistant circuitry: Advanced design provides immunity from electromagnetic interference (power spikes, static) and meets ISO standards. Sealed, robust construction: Built to withstand extreme heat and vibration for reliable long-term use. Waterproof connector: Fully sealed connector protects against moisture and contaminants for dependable signal transmission. Choose SMP for a crankshaft sensor that combines precision sensing, environmental resilience, and industry-compliant electromagnetic protection—ideal for OEM replacements and performance-focused repairs.