Description
Product Overview
The Standard Motor Products TS319T Temperature Switch is engineered for precise air temperature regulation in automotive systems. Housed in a machined stainless‑steel exterior, the switch meets an IP54 international protection rating, safeguarding against dust and splashing water. Its compact dimensions—1.5 x 1.2 x 2.9 inches—and lightweight design (0.704 ounces) make it easy to install in tight engine compartments. The hinge‑lever actuator provides tactile feedback, while the optional push‑button or mechanical knob controller allows users to select the most convenient operation mode. With a 100‑watt rating and X‑10 connectivity protocol, the TS319T integrates seamlessly into existing vehicle wiring harnesses.
Usage
Designed for automotive air temperature monitoring, the TS319T excels in both original equipment manufacturer (OEM) installations and aftermarket replacements. It is ideal for:
- Engine cooling system temperature feedback
- Cabin climate control sensors
- Performance tuning where accurate temperature data is critical
The switch’s touch‑sensitive control method ensures quick response in high‑heat environments, and its stainless‑steel construction resists corrosion from engine fluids. Target users include automotive technicians, DIY enthusiasts, and fleet maintenance teams seeking a durable, easy‑to‑service temperature switch.

Why Choose Us
Standard Motor Products has a legacy of over 30 years in producing high‑quality electrical components for the automotive sector. Each TS319T unit undergoes rigorous quality testing, including vibration, thermal cycling, and moisture resistance, to ensure long‑term reliability. Made in the United States, the switch complies with industry standards and comes with a detailed installation guide, reducing downtime for service professionals. Our commitment to precision engineering means you receive a product that delivers consistent performance under demanding conditions.
Key Features
- Stainless steel hinge‑lever actuator for durable, tactile operation
- IP54 rating protects against dust and water splashes
- 100‑watt capacity suitable for high‑load automotive circuits
- Dual control options: push‑button or mechanical knob
- Compact 1.5 x 1.2 x 2.9 inch form factor for easy installation
FAQ
What does the IP54 rating mean for this switch?
IP54 indicates that the switch is protected against limited dust ingress and water splashed from any direction, making it suitable for engine bay environments where moisture and debris are common.
Can the TS319T be used with a standard automotive wiring harness?
Yes, the switch supports the X‑10 connectivity protocol and includes standard wire leads that match typical automotive harness specifications.
Is the push‑button or mechanical knob control more reliable?
Both control methods are engineered for durability. The push‑button offers a quick tactile response, while the mechanical knob provides fine‑tuned adjustment. Choice depends on user preference and installation space.
What is the warranty period for this product?
Standard Motor Products offers a one‑year limited warranty covering manufacturing defects for the TS319T temperature switch.
How do I replace a faulty TS319T in my vehicle?
Disconnect the power source, remove the mounting screws, and detach the wiring harness. Install the new unit by reversing these steps, ensuring the connector pins align correctly.





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