16138 Aisan Crank Sensor 90919-05057

Genuine Aisan Crank Sensor 90919-05057

Ensure precise engine timing and reliable starting with the Aisan Crank Sensor 90919-05057 (SKU 16-138). This premium OEM-quality crankshaft position sensor is engineered by Aisan to accurately monitor crankshaft position and rotational speed, enabling your ECU to optimize ignition timing, fuel injection, and engine performance for maximum power, fuel efficiency, and smooth operation for Toyota applications.

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Key Features & Benefits

• Genuine Aisan Quality - OEM-grade component built to exacting standards
• Precise Crankshaft Position Monitoring - Accurately tracks crankshaft position for optimal engine timing
• Improved Engine Performance - Ensures proper ignition timing and fuel injection
• Enhanced Reliability - Prevents no-start conditions, misfires, and stalling
• Durable Construction - Built to withstand extreme temperatures and vibration
• Direct Replacement - Perfect fit for compatible Toyota vehicles
• Easy Installation - Plug-and-play replacement for original sensor

Technical Specifications

• Aisan Part Number: 90919-05057
• Component Type: Crankshaft Position Sensor (Crank Sensor / CKP Sensor)
• Primary Application: Toyota vehicles
• Barcode: 4582588534680
• Weight: 0.25 kg

Vehicle Compatibility

This Aisan crankshaft position sensor is compatible with various Toyota models. Always verify fitment for your specific vehicle.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Aisan crankshaft position sensor replaces the following OEM part numbers:

• 90919-05057 (Aisan/Toyota)
• 9091905045 (Toyota)
• 9091905081 (Toyota)
• 9091905087 (Toyota)
• CAS138 / CAS-138

Common Symptoms of Faulty Crankshaft Position Sensors

• Engine won't start or cranks but won't fire
• Check engine light illuminated (P0335-P0339 codes)
• Engine misfires or runs rough
• Engine stalling or cutting out while driving
• Poor acceleration or loss of power
• Reduced fuel economy
• Engine hesitation or surging
• Rough idle or unstable idle speed

What Does a Crankshaft Position Sensor Do?

The Crankshaft Position Sensor (also known as a Crank Sensor or CKP Sensor) monitors the position and rotational speed of the crankshaft, sending this critical information to the engine control unit (ECU). The ECU uses this data to determine the precise timing for fuel injection and ignition firing, ensuring each cylinder fires at the correct time for optimal combustion. This sensor is essential for engine starting and operation - without a properly functioning crankshaft position sensor, your engine will not start or will run very poorly.

Why Choose Genuine Aisan Crankshaft Position Sensors?

Aisan is a trusted OEM supplier to Toyota and other major automotive manufacturers, producing high-quality engine management components and sensors. Genuine Aisan crankshaft position sensors are designed to meet or exceed original equipment specifications, ensuring accurate position monitoring, long-lasting reliability, and optimal engine operation. Using genuine parts ensures proper fitment and maintains your vehicle's performance standards.

Why Choose LM15 Motorsport?

We supply genuine Aisan crankshaft position sensors with fast shipping across Australia. Every part is carefully inspected to ensure you receive the exact component your vehicle needs for reliable performance and precise engine timing.

Need help with fitment or installation? Contact our expert team for advice specific to your Toyota vehicle.