Crankshaft Position Sensor for Nissan Frontier Altima 2.5 23731-6N21A

Premium replacement crankshaft position sensor designed for Nissan vehicles. This sensor accurately detects crankshaft position to ensure precise ignition timing and smooth engine performance.

OEM Part Numbers:
237316N21A, 23731-6N21A

Compatible Vehicle Models:

• Nissan Frontier 2.5L
• Nissan Altima 2.5L

Packing List:
1 × Crankshaft Position Sensor

Installation Instructions:
- Turn off the engine and disconnect the battery before installation.
- Locate the existing sensor near the crankshaft pulley or engine block.
- Disconnect the old sensor and remove mounting bolts.
- Install the new sensor securely and reconnect the electrical connector.
- Reconnect the battery and start the engine to verify proper operation.

Precautions:
- Ensure the engine is cool before starting replacement.
- Avoid contaminating the sensor tip with oil or debris.
- Confirm compatibility with your specific vehicle model and engine type.

Quality Assurance:
Each sensor is tested for durability, signal accuracy, and temperature resistance. Engineered to meet or exceed OEM standards for reliable performance and longevity.