OE Quality
60-Day Returns

Standard Ignition TS-178 Engine Coolant Temperature Sender
Reliable Engine Coolant Temperature Sender for GM Vehicles
The Standard Ignition TS-178 Engine Coolant Temperature Sender is designed to provide accurate temperature readings for a range of GM vehicles. Engineered with durable brass construction and a bolt-on attachment method, this sender ensures consistent performance in Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.
- Attachment Method: Bolt on for secure installation
- Color: Black and gold finish for corrosion resistance
- Connector Gender: Female with a single round plug-in connector
- Terminal Type: One male blade terminal
- Thread Size: 3/8" - 18 thread for precise fitment
Durable Design and Precise Fitment
The TS-178 Engine Coolant Temperature Sender features a brass finish that resists corrosion and heat damage, ensuring long-lasting reliability. Its bolt-on design simplifies installation while maintaining a secure connection. The single female round plug-in connector and male blade terminal provide a stable electrical interface, reducing the risk of signal loss or inaccurate readings. This sender is compatible with various GM vehicles, including Buick Century, Chevrolet Lumina, GMC S10, Oldsmobile Cutlass Ciera, and Pontiac Grand Prix, making it a versatile choice for engine temperature monitoring.
Compatible GM Models and Applications
This temperature sender is compatible with multiple GM makes and models, including:
- Buick Century, Skylark, and Regal
- Chevrolet Corsica, Lumina, S10, and S15
- GMC S10 Blazer, S15 Jimmy, and Sonoma
- Oldsmobile Cutlass Calais, Cutlass Ciera, and Cutlass Supreme
- Pontiac Grand Am, Grand Prix, and Tempest
Common Issues Addressed by the TS-178 Sender
- Inaccurate engine temperature readings causing poor engine performance
- Intermittent temperature gauge fluctuations
- Engine overheating due to faulty temperature sensor signals
- Check engine light triggered by temperature sensor faults
- Cooling system malfunctions related to temperature sensor failure
Installation Notes and Tips
Installation of the Standard Ignition TS-178 is straightforward due to its bolt-on design. Ensure the engine is cool before removal of the old sender to avoid injury. Use the correct 3/8" - 18 thread size to avoid cross-threading. Confirm the connector is securely plugged in and the blade terminal is properly seated to maintain accurate signal transmission. It is recommended to inspect the wiring harness for any damage during installation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The TS-178 Engine Coolant Temperature Sender undergoes rigorous quality control testing to ensure consistent operation. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.
| Brand | Standard Ignition |
| Part Number | TS-178 |
| Attachment Method | Bolt On |
| Color | Black, Gold |
| Connector Gender | Female |
| Connector Shape | Round |
| Connector Type | Plug In |
| Finish | Brass |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Thread Size | 3/8" - 18 Thread |
This part fits 82 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Buick | Skylark | 2.4L | L4 | N/A | Fits engines with gauges. |
| 1995 | Buick | Skylark | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1995 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1995 | Pontiac | Grand Am | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1994 | Buick | Skylark | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1994 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1994 | Pontiac | Grand Am | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1993 | Buick | Century | 3.1L | V6 | N/A | Fits engines with gauges. |
| 1993 | Buick | Century | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1993 | Buick | Skylark | N/A | Fits engines with gauges. | ||
| 1993 | Chevrolet | S10 | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1993 | GMC | Sonoma | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1993 | Oldsmobile | Achieva | N/A | Fits engines with gauges. | ||
| 1993 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1993 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1993 | Pontiac | Grand Am | N/A | Fits engines with gauges. | ||
| 1992 | Buick | Century | N/A | Fits engines with gauges. | ||
| 1992 | Buick | Skylark | N/A | Fits engines with gauges. | ||
| 1992 | Chevrolet | Lumina | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1992 | Chevrolet | S10 | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1992 | GMC | Sonoma | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1992 | Oldsmobile | Achieva | N/A | Fits engines with gauges. | ||
| 1992 | Oldsmobile | Cutlass Ciera | N/A | Fits engines with gauges. | ||
| 1992 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1992 | Pontiac | Grand Am | N/A | Fits engines with gauges. | ||
| 1991 | Buick | Century | N/A | Fits engines with gauges. | ||
| 1991 | Buick | Skylark | N/A | Fits engines with gauges. | ||
| 1991 | Chevrolet | Lumina | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1991 | Chevrolet | S10 | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1991 | Chevrolet | S10 Blazer | N/A | Fits engines with gauges. | ||
| 1991 | GMC | Sonoma | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1991 | Oldsmobile | Bravada | N/A | Fits engines with gauges. | ||
| 1991 | Oldsmobile | Cutlass Calais | N/A | Fits engines with gauges. | ||
| 1991 | Oldsmobile | Cutlass Ciera | N/A | Fits engines with gauges. | ||
| 1991 | Oldsmobile | Cutlass Cruiser | N/A | Fits engines with gauges. | ||
| 1991 | Oldsmobile | Cutlass Supreme | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1991 | Pontiac | 6000 | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1991 | Pontiac | Grand Am | N/A | Fits engines with gauges. | ||
| 1991 | Pontiac | Grand Prix | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1991 | Pontiac | Tempest | 2.2L | L4 | N/A | 1 Blade Term.; With Gauge |
| 1990 | Buick | Century | N/A | Fits engines with gauges. | ||
| 1990 | Buick | Skylark | N/A | Fits engines with gauges. | ||
| 1990 | Chevrolet | Celebrity | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1990 | Chevrolet | Corsica | 2.2L | L4 | N/A | 1 Blade Term.; With Gauge |
| 1990 | Chevrolet | Lumina | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1990 | Chevrolet | S10 | N/A | Fits engines with gauges. | ||
| 1990 | Chevrolet | S10 Blazer | N/A | Fits engines with gauges. | ||
| 1990 | GMC | S15 | N/A | Fits engines with gauges. | ||
| 1990 | Oldsmobile | Cutlass Calais | N/A | Fits engines with gauges. | ||
| 1990 | Oldsmobile | Cutlass Ciera | N/A | Fits engines with gauges. | ||
| 1990 | Oldsmobile | Cutlass Cruiser | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1990 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1990 | Oldsmobile | Cutlass Supreme | 2.3L | L4 | N/A | Fits engines with gauges. |
| 1990 | Pontiac | 6000 | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1990 | Pontiac | Grand Am | N/A | Fits engines with gauges. | ||
| 1990 | Pontiac | Grand Prix | 2.3L | L4 | N/A | 1 Blade Term.; With Gauge |
| 1990 | Pontiac | Tempest | 2.2L | L4 | N/A | 1 Blade Term.; With Gauge |
| 1989 | Buick | Century | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1989 | Buick | Century | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1989 | Buick | Skylark | N/A | Fits engines with gauges. | ||
| 1989 | Chevrolet | Celebrity | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1989 | Chevrolet | Corsica | 2.0L | L4 | N/A | 1 Blade Term.; With Gauge |
| 1989 | Chevrolet | S10 | N/A | Fits engines with gauges. | ||
| 1989 | Chevrolet | S10 Blazer | N/A | Fits engines with gauges. | ||
| 1989 | GMC | S15 | N/A | Fits engines with gauges. | ||
| 1989 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1989 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1989 | Oldsmobile | Cutlass Cruiser | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1989 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | Fits engines with gauges. |
| 1988 | Buick | Century | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1988 | Chevrolet | Celebrity | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1988 | Chevrolet | S10 | N/A | 1 Blade Term.; With Gauge | ||
| 1988 | Chevrolet | S10 Blazer | N/A | 1 Blade Term.; With Gauge | ||
| 1988 | GMC | S15 | N/A | 1 Blade Term.; With Gauge | ||
| 1988 | GMC | S15 Jimmy | N/A | 1 Blade Term.; With Gauge | ||
| 1988 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | Fits engines with gauges. |
| 1987 | Chevrolet | S10 | N/A | 1 Blade Term.; With Gauge | ||
| 1987 | Chevrolet | S10 Blazer | N/A | 1 Blade Term.; With Gauge | ||
| 1987 | GMC | S15 | N/A | 1 Blade Term.; With Gauge | ||
| 1987 | GMC | S15 Jimmy | N/A | 1 Blade Term.; With Gauge | ||
| 1986 | Pontiac | Grand Am | N/A | Fits engines with gauges. | ||
| 1985 | Pontiac | Grand Am | 3.0L | V6 | 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.