Motorad 7301-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Infiniti, Nissan, and Mitsubishi

The Motorad Fail-Safe 7301-170 engine coolant thermostat is designed to maintain optimal engine temperature for select Infiniti, Nissan, and Mitsubishi vehicles. Engineered to open at 170 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.52 inches
• Includes one rubber gasket for a secure seal
• Bypass diameter: 1.14 inches with a bypass length of 1.65 inches
• Flange thickness: 0.068 inches for precise fitment
• Temperature rating: 170°F for accurate thermostat operation

Detailed Product Features and Specifications

This Motorad Fail-Safe engine coolant thermostat (part number 7301-170) features a sealing flange with an outside diameter of 2.52 inches, ensuring a tight and leak-free connection within the cooling system. The included rubber gasket provides reliable sealing to prevent coolant leaks. The thermostat has a bypass diameter of 1.14 inches and a bypass length of 1.65 inches, allowing controlled coolant circulation during engine warm-up. The flange thickness of 0.068 inches supports proper installation and fitment. Designed to open at 170 degrees Fahrenheit, this thermostat helps maintain the engine’s ideal operating temperature, improving fuel efficiency and reducing engine wear.

Fail-Safe Product Line Overview

The Motorad Fail-Safe line focuses on dependable cooling system components that meet or exceed OEM specifications. This product line emphasizes durability and precise temperature control, making it suitable for critical engine management in vehicles such as the Infiniti Q70 and Nissan Frontier. The 7301-170 thermostat is part of this line, offering consistent performance and reliable sealing to support engine longevity.

Compatible Vehicles and Common Applications

• Infiniti Q70 and Q70L models
• Nissan 3000GT, Frontier, NV350 Urvan, and Pickup
• Mitsubishi Diamante, Montero, and Montero Sport

This thermostat is designed specifically for these models, ensuring proper fit and function within their cooling systems.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Coolant leaks from worn or damaged seals
• Inconsistent engine temperature regulation
• Reduced fuel efficiency caused by improper coolant flow

Installation Notes and Tips

When installing the Motorad Fail-Safe 7301-170 thermostat, ensure the sealing flange and gasket are properly aligned to prevent leaks. The rubber gasket included should be inspected for damage before installation. No installation tool is included, so use appropriate tools to avoid flange damage. Verify the thermostat opens at 170°F to match engine requirements. Always follow vehicle manufacturer guidelines for thermostat replacement procedures.

Quality Assurance and Warranty

Motorad’s Fail-Safe thermostats are manufactured to meet strict quality standards, ensuring reliable operation and durability. The 7301-170 thermostat includes one rubber seal to maintain a secure fit and prevent coolant leaks. While specific warranty details are not provided, Motorad products typically adhere to industry standards for performance and reliability.