Standard Ignition TS-612 Engine Coolant Temperature Sender

Engine Coolant Temperature Sender for Mercedes-Benz

Standard Ignition TS-612 is an engine coolant temperature sender built for accurate temperature signaling in vehicles that use a gauge-based cooling system. It is a direct-fit option for 1983-1985 Mercedes-Benz 300D models with gauges, and it uses a bolt-on, round connector design for straightforward electrical connection.

Key Features

• Engine coolant temperature sender for gauge applications
• Bolt-on attachment method with a round connector
• Male connector and male pin terminal configuration
• Factory-calibrated thermal switching for specified actuation temperature
• Uses a formed bimetallic contact arm for precise electrical contact
• Built with high-grade materials for service use

Detailed Description

The Standard Ignition TS-612 is engineered to monitor coolant temperature and send the proper electrical signal to the gauge circuit. Its thermal switching design uses calibrated wax and bimetallic movement to trigger contact at the specified temperature point, helping maintain accurate temperature indication in the dash. This part cross-references FEL-PRO 70032 for the same application. For Mercedes-Benz 300D owners, TS-612 supports the original gauge-based setup found on 1983-1985 vehicles.

What It Helps Address

• Inaccurate or erratic coolant temperature gauge readings
• No gauge response from the temperature sender circuit
• Intermittent electrical contact at the sender connection
• Temperature signal issues in gauge-equipped Mercedes-Benz 300D models
• Replacement needs for a worn or failed coolant temperature sender

Installation Notes and Tips

Verify the connector style, terminal layout, and bolt-on mounting before installation. Clean the mounting surface and inspect the wiring connector for corrosion or looseness before connecting the TS-612. This part is listed for 1983-1985 Mercedes-Benz 300D, gauges, so confirm your vehicle uses the gauge-style sender location and not a different cooling-system sensor configuration.

Quality Assurance

Standard Ignition manufactures this sender with factory calibration and testing to confirm switch actuation at the specified temperature. The brand’s OE-focused manufacturing process includes quality control from component selection through finished product inspection. Compatible with 1983-1985 Mercedes-Benz 300D, gauges; Standard Ignition TS-612 is built to meet service-professional requirements.