OE Quality
60-Day Returns

Motorad 307-160 Engine Coolant Thermostat
Reliable Engine Coolant Thermostat for Select GM Vehicles
The Motorad Standard 307-160 engine coolant thermostat is designed to maintain optimal engine temperature for improved performance and efficiency. Engineered for compatibility with various Buick, Cadillac, Chevrolet, and Pontiac models, this thermostat ensures precise temperature regulation at 160 degrees Fahrenheit.
- Sealing flange outside diameter: 2.13 inches
- Includes a rubber gasket for secure sealing
- Jiggle pin weep hole for air and vapor release
- Bypass diameter of 1.18 inches and bypass length of 1.45 inches
- Flange thickness of 0.05 inches
- Single rubber seal included
- Temperature rating: 160°F
Product Line Details: Motorad Standard
The Motorad Standard product line offers dependable engine cooling components designed to meet OEM specifications. This line focuses on delivering consistent performance and durability, making it suitable for routine maintenance and replacement needs. The 307-160 thermostat is part of this line, providing a balance of quality and value for compatible GM vehicles.
Technical Description and Features
This engine coolant thermostat features a 2.13-inch sealing flange outside diameter that ensures a tight fit within the cooling system housing. The included rubber gasket provides a reliable seal to prevent coolant leaks. The jiggle pin weep hole allows trapped air and vapor to escape, reducing the risk of overheating and improving coolant flow. With a bypass diameter of 1.18 inches and a bypass length of 1.45 inches, this thermostat supports proper coolant circulation during engine warm-up. The flange thickness of 0.05 inches contributes to a secure installation and system integrity. Designed to open at 160 degrees Fahrenheit, it helps maintain optimal engine operating temperature for vehicles such as the Chevrolet Camaro, Cadillac Fleetwood, and Pontiac Firebird.
Compatible Vehicles and Common Applications
- Buick Roadmaster and Commercial Chassis
- Cadillac Fleetwood and Commercial Chassis
- Chevrolet Camaro, Caprice, Corvette, and Impala
- Pontiac Firebird and Commercial Chassis
This thermostat is ideal for addressing issues such as engine overheating, poor heater performance, coolant leaks at the thermostat housing, and inconsistent engine temperature regulation.
Installation Notes and Tips
- Ensure the engine is cool before removing the old thermostat
- Clean the thermostat housing surface thoroughly before installation
- Use the included rubber gasket to prevent leaks
- Verify the jiggle pin weep hole is unobstructed for proper air release
- Torque bolts to manufacturer specifications to avoid damage
Quality Assurance and Warranty
The Motorad Standard 307-160 thermostat is manufactured to meet or exceed OEM standards for fit and function. It includes a single rubber seal designed for durability and leak prevention. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliable operation in compatible Buick, Cadillac, Chevrolet, and Pontiac vehicles.
| Brand | Motorad |
| Part Number | 307-160 |
| Position | Standard |
| Sealing Flange Outside Diameter | 2.13 |
| Gasket Or Seal Included | Yes |
| Jiggle Pin Weep Hole | Yes |
| Bypass Diameter | 1.18 in |
| Bypass Length | 1.45 in |
| Flange Thickness | 0.05 in |
| Gasket/Seal Material | Rubber |
| Gasket/Seal Material | Rubber |
| Installation Tool Included | No |
| Number Of Seals | 1 |
| Temperature | 160 deg. f |
| Temperature (Degree) | 160 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Chevrolet | Camaro | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1997 | Pontiac | Firebird | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Buick | Roadmaster | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Cadillac | Commercial Chassis | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Cadillac | Fleetwood | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Chevrolet | Camaro | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Chevrolet | Caprice | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Chevrolet | Caprice | 4.3L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Chevrolet | Corvette | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Chevrolet | Impala | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1996 | Pontiac | Firebird | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Buick | Roadmaster | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Cadillac | Commercial Chassis | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Cadillac | Fleetwood | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Chevrolet | Camaro | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Chevrolet | Caprice | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Chevrolet | Caprice | 4.3L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Chevrolet | Corvette | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Chevrolet | Impala | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1995 | Pontiac | Firebird | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Buick | Roadmaster | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Cadillac | Commercial Chassis | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Cadillac | Fleetwood | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Chevrolet | Camaro | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Chevrolet | Caprice | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Chevrolet | Caprice | 4.3L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Chevrolet | Corvette | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Chevrolet | Impala | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1994 | Pontiac | Firebird | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1993 | Cadillac | Commercial Chassis | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1993 | Cadillac | Fleetwood | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1993 | Chevrolet | Camaro | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1993 | Chevrolet | Corvette | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1993 | Pontiac | Firebird | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
| 1992 | Chevrolet | Corvette | 5.7L | V8 | N/A | 160F Thermostat with seal and adjustable temperature option included.; Standard |
* 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.