OE Quality
60-Day Returns

Standard Ignition TS-342 Engine Coolant Temperature Sender
Overview of Standard Ignition Engine Coolant Temperature Sender TS-342
The Standard Ignition TS-342 Engine Coolant Temperature Sender is designed for precise temperature monitoring in select BMW models. This bolt-on sensor ensures reliable engine temperature readings, helping maintain optimal engine performance and prevent overheating.
- Attachment Method: Bolt on for secure installation
- Connector Gender: Male with a single round plug-in connector
- Terminal Configuration: Two male blade terminals for stable electrical connection
- Thread Size: M12-1.50 for compatibility with designated engine ports
- Compatible with BMW 535i, 635CSi, 735i, M5, and M6 models
Detailed Product Description
The TS-342 Engine Coolant Temperature Sender from Standard Ignition is engineered to provide accurate temperature data to the vehicle’s engine control unit. Featuring a bolt-on attachment method, this sender offers straightforward installation and a secure fit. The sensor includes a single male round plug-in connector, facilitating a reliable electrical connection with the vehicle’s wiring harness. It is equipped with two male blade terminals, ensuring consistent signal transmission. The M12-1.50 thread size matches the OEM specifications for the BMW 535i, 635CSi, 735i, M5, and M6, making it a direct replacement part for these models.
Common Applications and Issues Addressed
- Monitors engine coolant temperature to prevent overheating
- Helps maintain proper engine operating temperature for efficiency
- Prevents engine damage caused by inaccurate temperature readings
- Resolves issues related to faulty or failing temperature sensors
- Supports engine control unit in regulating cooling fan operation
Installation Notes and Tips
- Ensure engine is cool before removing the old temperature sender
- Use appropriate tools to avoid damaging the M12-1.50 thread
- Verify connector orientation matches the male round plug-in design
- Check for secure bolt-on attachment to prevent leaks or sensor movement
- Test sensor operation after installation to confirm accurate readings
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The TS-342 Engine Coolant Temperature Sender undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | TS-342 |
| Attachment Method | Bolt On |
| Connector Gender | Male |
| Connector Shape | Round |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Thread Size | M12-1.50 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | BMW | 735i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1988 | BMW | 735i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1988 | BMW | M5 | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1987 | BMW | 635CSi | 3.5L | L6 | N/A | Fits engines with gauges. |
| 1987 | BMW | 635CSi | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1987 | BMW | 735i | N/A | Fits engines with gauges. | ||
| 1987 | BMW | 735i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1987 | BMW | M6 | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1986 | BMW | 535i | N/A | Fits engines with gauges. | ||
| 1986 | BMW | 535i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1986 | BMW | 635CSi | 3.5L | L6 | N/A | Fits engines with gauges. |
| 1986 | BMW | 635CSi | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1986 | BMW | 735i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1986 | BMW | 735i | N/A | Fits engines with gauges. | ||
| 1985 | BMW | 535i | N/A | Fits engines with gauges. | ||
| 1985 | BMW | 535i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1985 | BMW | 635CSi | 3.5L | L6 | N/A | Fits engines with gauges. |
| 1985 | BMW | 635CSi | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1985 | BMW | 735i | N/A | Compatible with vehicles equipped with a coolant temperature indicator light on the dashboard. | ||
| 1985 | BMW | 735i | N/A | Fits engines with gauges. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.