Standard Ignition PS-543 Automatic Transmission Oil Pressure Switch

Overview of Standard Ignition PS-543 Transmission Oil Pressure Switch

The Standard Ignition PS-543 is a reliable automatic transmission oil pressure switch designed specifically for select Mazda vehicles. Engineered to meet OEM specifications, this switch ensures accurate transmission pressure monitoring for smooth gear shifts in Mazda 3, Mazda 5, Mazda 6, and Mazda CX-7 models.

• Compatible with Mazda 3, 5, 6, and CX-7 models
• Durable black and silver color finish for corrosion resistance
• Constructed with aluminum and plastic materials for strength and longevity
• Single terminal design for straightforward electrical connection
• Part number PS-543 for precise identification and fitment

Product Features and Specifications

The PS-543 automatic transmission oil pressure switch features a robust aluminum and plastic construction that balances durability with lightweight design. Its black and silver finish provides resistance against environmental wear, helping maintain consistent performance over time. The single terminal configuration simplifies installation and ensures reliable electrical contact within the transmission system.

Function and Application in Mazda Vehicles

This transmission oil pressure switch is used to monitor hydraulic pressure within the automatic transmission system of compatible Mazda models. By providing accurate pressure readings, it helps the transmission control module regulate gear shifts effectively, contributing to optimal vehicle performance.

• Prevents erratic shifting caused by faulty pressure signals
• Helps avoid transmission slipping or delayed engagement
• Reduces risk of transmission overheating due to pressure irregularities
• Supports proper operation of transmission solenoids and actuators
• Assists in maintaining fuel efficiency through smooth gear changes

Installation Notes and Tips

When installing the Standard Ignition PS-543 switch, ensure the vehicle is safely lifted and the transmission fluid system is depressurized. Disconnect the battery before removal to prevent electrical shorts. Carefully remove the old switch and inspect the mounting area for debris or damage. Install the new switch by aligning the single terminal correctly and tightening to manufacturer torque specifications. After installation, verify proper transmission operation and check for leaks.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring dependable performance and fitment. The PS-543 transmission oil pressure switch undergoes rigorous quality control testing to maintain consistency and reliability. This part is backed by Standard Ignition's limited warranty, covering defects in material and workmanship under normal use conditions.