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Four Seasons
Coolant Temp SensorFour Seasons 36445 Engine Coolant Temperature Sensor
| Brand | Four Seasons 36445 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Round |
| Description | Coolant Temp Sensor |
| Fitting Gender | Male |
| Fitting Thread Size | 3/8" Pipe (43/64" x 18) |
| Material | Brass |
| Meets / Exceeds OEM? | YES |
| Number of Terminals | 3 |
| Style | Coolant Temp Sensor |
| Type | Coolant Temp Sensor |
| Product line | Coolant Temp Sensor |
| Fits | Buick, Pontiac, Chevrolet, Oldsmobile, GMC, Isuzu, and Jeep · 116 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling-system sensing.
Brass construction. Corrosion-resistant material helps deliver reliable temperature readings.
3-terminal design. Round connector and threaded fitting simplify installation.
Cross-references Four Seasons 36445, 50855 and 207731 for the same application. See all 9.
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Not what you need? See all Engine Coolant Temperature Sensor options
Engine Coolant Temperature Sensor for GM Applications
The Four Seasons 36445 coolant temp sensor is a brass engine coolant temperature sensor built with a female round connector, male 3/8" pipe fitting, and 3 terminals. It meets or exceeds OEM requirements and is used in a wide range of GM and select Jeep applications, including Buick Regal, Pontiac Grand Prix, Chevrolet Lumina, and Chevrolet S10 service needs.
Key Features
- Four Seasons Coolant Temp Sensor, part number 36445
- Brass construction for engine cooling system service
- Female round connector with 3 terminals
- Male 3/8" pipe thread fitting (43/64" x 18)
- Meets or exceeds OEM specifications
- Direct replacement style for coolant temperature sensing circuits
Product Details
Four Seasons 36445 is an engine coolant temperature sensor used to report coolant temperature to the vehicle’s control system. Accurate temperature input is important for fuel delivery, idle quality, gauge operation, and cooling fan strategy. This coolant temp sensor is a practical OE-style replacement for vehicles such as the 1996-2002 Buick Regal, 1996-2003 Pontiac Grand Prix, 1996-2001 Chevrolet Lumina, and 1995-1998 Chevrolet S10. The Four Seasons Coolant Temp Sensor line focuses on fitment-specific cooling system service, and this part number 36445 is listed across multiple interchange references for the same application.
This part cross-references A77731 and MT1640 for the same application.
Common Symptoms This Part May Address
- Incorrect coolant temperature readings on the dash or scan tool
- Hard starting or rough idle related to temperature input errors
- Cooling fan operation that does not match engine temperature
- Check engine light codes tied to coolant temperature sensor faults
- Fuel mixture issues caused by inaccurate engine temperature data
Installation Notes and Fitment
- Fits 2000-2003 Buick Century, N/A; 3 Blade Term; Coolant Temp Sensor
- Fits 1996-2003 Pontiac Grand Prix, N/A; Coolant Temp Sensor
- Fits 1996-2002 Buick Regal, N/A; Coolant Temp Sensor
- Fits 1996-2001 Chevrolet Lumina, N/A; 3 Blade Term; Coolant Temp Sensor
- Fits 1995-1998 Chevrolet S10, N/A; 3 Blade Term; Coolant Temp Sensor
- Fits 1997 Jeep Grand Cherokee, N/A; Coolant Temp Sensor
Verify connector style, thread size, and terminal count before installation. Clean the mounting port and inspect the harness connector for corrosion or damaged terminals so the new sensor can read coolant temperature accurately.
Quality Assurance
Four Seasons lists this coolant temp sensor as meeting or exceeding OEM requirements, supporting dependable replacement performance for cooling system and engine management service.
This part fits 116 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Buick | Century | Sedan | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2003 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 2002 | Buick | Century | Sedan | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2002 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 2002 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 2001 | Buick | Century | Sedan | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2001 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 2001 | Chevrolet | Lumina | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2001 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 2000 | Buick | Century | Sedan | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2000 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 2000 | Chevrolet | Lumina | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 2000 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1999 | Buick | Park Avenue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1999 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1999 | Chevrolet | Lumina | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1999 | Chevrolet | Monte Carlo | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1999 | Oldsmobile | 88 | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Oldsmobile | Intrigue | — | 3.8L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1999 | Oldsmobile | LSS | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1999 | Oldsmobile | Silhouette | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Pontiac | Bonneville | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Pontiac | Firebird | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1999 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Pontiac | Montana | — | — | — | N/A | Coolant Temp Sensor |
| 1999 | Pontiac | Trans Sport | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1998 | Buick | Park Avenue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1998 | Chevrolet | Camaro | — | 3.8L | V6 | N/A | 3 Term.; Coolant Temp Sensor |
| 1998 | Chevrolet | Lumina | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Chevrolet | Monte Carlo | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Chevrolet | S10 | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | GMC | Sonoma | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Isuzu | Hombre | — | 2.2L | L4 | N/A | Coolant Temp Sensor |
| 1998 | Oldsmobile | 88 | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Oldsmobile | Intrigue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Oldsmobile | LSS | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1998 | Oldsmobile | Regency | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Oldsmobile | Silhouette | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Pontiac | Bonneville | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Pontiac | Firebird | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1998 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 1998 | Pontiac | Trans Sport | — | — | — | N/A | Coolant Temp Sensor |
| 1997 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1997 | Buick | Park Avenue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1997 | Buick | Riviera | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1997 | Chevrolet | Camaro | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1997 | Chevrolet | Lumina | — | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Chevrolet | Monte Carlo | — | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Chevrolet | S10 | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | GMC | Sonoma | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Isuzu | Hombre | — | 2.2L | L4 | N/A | Coolant Temp Sensor |
| 1997 | Jeep | Grand Cherokee | — | 4.0L | L6 | N/A | Coolant Temp Sensor |
| 1997 | Oldsmobile | 88 | — | — | — | N/A | Coolant Temp Sensor |
| 1997 | Oldsmobile | LSS | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Oldsmobile | Regency | — | — | — | N/A | Coolant Temp Sensor |
| 1997 | Oldsmobile | Silhouette | — | — | — | N/A | Coolant Temp Sensor |
| 1997 | Pontiac | Bonneville | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1997 | Pontiac | Firebird | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1997 | Pontiac | Grand Prix | — | — | — | N/A | Coolant Temp Sensor |
| 1997 | Pontiac | Trans Sport | — | — | — | N/A | Coolant Temp Sensor |
| 1996 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Park Avenue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Buick | Regal | Sedan | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Regal | Coupe | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Regal | Sedan | 3.1L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Regal | Coupe | 3.1L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Riviera | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Buick | Skylark | — | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | Camaro | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Chevrolet | Corsica | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | Lumina | — | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | Lumina APV | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | Lumina Van | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | Monte Carlo | — | 3.1L | V6 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Chevrolet | S10 | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | GMC | Sonoma | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Isuzu | Hombre | — | — | — | N/A | Coolant Temp Sensor |
| 1996 | Oldsmobile | 88 | — | — | — | N/A | Coolant Temp Sensor |
| 1996 | Oldsmobile | 98 | — | — | — | N/A | Coolant Temp Sensor |
| 1996 | Oldsmobile | Achieva | — | 3.1L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Oldsmobile | Cutlass Ciera | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Oldsmobile | LSS | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Oldsmobile | Silhouette | — | — | — | N/A | Coolant Temp Sensor |
| 1996 | Pontiac | Bonneville | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1996 | Pontiac | Firebird | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Pontiac | Grand Am | — | 3.1L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Pontiac | Grand Prix | — | 3.1L | V6 | N/A | Coolant Temp Sensor |
| 1996 | Pontiac | Trans Sport | — | — | — | N/A | Coolant Temp Sensor |
| 1995 | Buick | Park Avenue | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1995 | Buick | Riviera | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1995 | Chevrolet | Camaro | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1995 | Chevrolet | Corsica | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1995 | Chevrolet | Lumina | — | — | — | N/A | Coolant Temp Sensor |
| 1995 | Chevrolet | S10 | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1995 | GMC | Sonoma | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1995 | Oldsmobile | 88 | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1995 | Oldsmobile | 98 | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1995 | Oldsmobile | Cutlass Ciera | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1995 | Pontiac | Bonneville | — | — | — | N/A | 3 Blade Term.; Coolant Temp Sensor |
| 1995 | Pontiac | Firebird | — | 3.8L | V6 | N/A | Coolant Temp Sensor |
| 1995 | Pontiac | Firebird | — | 3.4L | V6 | N/A | Coolant Temp Sensor |
| 1994 | Chevrolet | Cavalier | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1994 | Chevrolet | Corsica | — | — | — | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1994 | Chevrolet | S10 | — | 2.2L | L4 | N/A | Coolant Temp Sensor |
| 1994 | Oldsmobile | Cutlass Ciera | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1994 | Pontiac | Sunbird | — | 2.0L | L4 | N/A | Coolant Temp Sensor |
| 1993 | Chevrolet | Cavalier | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1993 | Oldsmobile | Cutlass Ciera | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1993 | Pontiac | Sunbird | — | 2.0L | L4 | N/A | Coolant Temp Sensor |
| 1992 | Chevrolet | Cavalier | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| 1992 | Pontiac | Sunbird | — | 2.0L | L4 | N/A | Coolant Temp Sensor |
| 1991 | Chevrolet | Cavalier | — | 2.2L | L4 | N/A | 3 Blade Term; Coolant Temp Sensor |
| No rows match your filter. | |||||||
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 364455085520773117124591009618111136445A77731MT1640TU178