Prenco 4D-1251 Engine Crankshaft Position Sensor

Overview of Prenco Engine Crankshaft Position Sensor 4D-1251

The Prenco 4D-1251 Engine Crankshaft Position Sensor is designed for precise engine timing and reliable performance. Compatible with various Toyota, Lexus, and Scion models, this sensor ensures accurate crankshaft position detection for optimal engine operation.

• Terminal Type: Blade terminals for secure electrical connection
• Connector Quantity: Single connector for streamlined installation
• Connector Shape: Round connector design
• Terminal Quantity: Two terminals for signal transmission
• Connector Gender: Female connector
• Terminal Gender: Male terminals
• Sensor Body Diameter: 0.7 inches for compact fitment
• Mounting Bracket: Not included

Detailed Product Description

The Prenco 4D-1251 crankshaft position sensor features a blade terminal type with two male terminals housed within a female round connector. This configuration supports a secure and reliable electrical connection, essential for accurate engine timing signals. The sensor body diameter of 0.7 inches allows it to fit precisely in the designated mounting location without interference. Although the mounting bracket is not included, the sensor is designed to integrate seamlessly with the existing mounting hardware on compatible vehicles.

This sensor is engineered to meet the specifications required by Toyota, Lexus, and Scion vehicles, including models such as the Toyota Camry, Tacoma, Tundra, 4Runner, and Highlander, as well as Lexus ES350, RX350, IS250, and Scion FR-S. The part number 4D-1251 ensures compatibility and easy identification for replacement needs.

Common Applications and Issues Addressed

• Engine misfires or rough idling due to inaccurate crankshaft position data
• Difficulty starting the engine or intermittent stalling
• Check engine light triggered by crankshaft sensor faults
• Poor fuel efficiency related to timing errors
• Loss of engine power or hesitation during acceleration

Installation Notes and Tips

When installing the Prenco 4D-1251 sensor, ensure the connector is fully seated and the blade terminals are clean and free of corrosion. Since the mounting bracket is not included, reuse the original bracket or mounting hardware from the vehicle. Verify the sensor body diameter fits the mounting hole to avoid movement or vibration. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Prenco manufactures the 4D-1251 sensor to meet OEM standards for durability and performance. While specific warranty details may vary, this sensor is produced under strict quality control processes to ensure reliable operation in compatible Toyota, Lexus, and Scion vehicles. Always consult the product documentation or supplier for warranty terms.