Description
Product Overview
The Dorman 904-625 is a precision‑engineered A/C transducer switch designed to replace the original equipment unit in a wide range of vehicles. Constructed from hardened steel, the rotary actuator delivers consistent contact force, while the IP54‑rated housing protects against dust and splashing water typical of engine bays. The blade‑type connector ensures a secure, corrosion‑resistant connection to the vehicle’s wiring harness. Operating at 625 volts with a normally open contact configuration, this one‑way switch delivers reliable pressure sensing for the automotive refrigerant system.
Usage
This switch is intended for use in passenger cars, light trucks, and SUVs equipped with standard automotive air‑conditioning systems. It is ideal for technicians performing routine maintenance, as well as DIY enthusiasts repairing a faulty A/C pressure sensor. The manual operation mode and touch control method make it straightforward to test and verify functionality before final installation. 
Why Choose Us
Dorman’s reputation for automotive parts quality ensures that each switch undergoes rigorous testing for fit, function, and durability. The 904-625 model matches OEM specifications, including part numbers 36675, PCS140, and 52465555, guaranteeing a seamless fit without the need for modifications. Our quality‑assured product eliminates the guesswork of aftermarket parts, providing confidence that the A/C system will operate within factory tolerances.
Key Features
- Steel rotary actuator delivers long‑lasting mechanical reliability.
- IP54 protection guards against dust and water ingress in engine environments.
- Blade connector simplifies installation and ensures a secure electrical connection.
- Manual operation with touch control for easy testing and verification.
- Exact OEM match – replaces part numbers 36675, PCS140, 52465555.
FAQ
Is this switch compatible with my vehicle?
Yes, the 904-625 is a direct replacement for the original equipment switch. Verify compatibility by entering your vehicle’s make, model, and trim into the Dorman garage tool.
Do I need special tools to install the switch?
No special tools are required. The blade connector plugs directly into the existing harness, and the unit bolts in using the original mounting hardware.
What does the IP54 rating mean?
IP54 indicates the switch is protected against limited dust ingress and water splashes from any direction, making it suitable for the harsh conditions of an engine compartment.
Can I test the switch before installation?
Yes, the manual operation mode allows you to apply voltage and verify that the normally open contact closes as expected.
What warranty does Dorman provide?
Dorman offers a limited warranty that covers defects in materials and workmanship, ensuring you receive a reliable part for your vehicle.
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