Motorad T165 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap Overview

The Motorad T165 is a standard engine coolant reservoir cap built to meet OEM specifications for the cooling system. It uses a threaded design with proper relief and vacuum valves for reliable sealing and serviceability.

Compatible with select Honda and Acura applications, including Honda Civic, Honda CR-V, Acura RSX, Acura RDX, Acura Integra, HR-V, and Passport fitments listed below. The T165 is a practical replacement when the original cap no longer holds pressure correctly or shows wear at the seal.

Key Features

• Standard replacement coolant reservoir cap for OEM-style service.
• Threaded plastic construction for secure attachment.
• Proper relief and vacuum valves for cooling system operation.
• Round white design with a compact profile.
• Built to meet OEM specifications and quality-tested for cooling system use.

Detailed Description

Motorad T165 is an engine coolant reservoir cap designed for open cooling systems that use a threaded, non-pressurized cap design. Its 1.51-inch diameter, 1.29-inch thread diameter, and 1.33-inch filler neck outside diameter support accurate fitment on the specified applications. This part cross-references Gates T165 for the same application.

For Honda Civic, Honda CR-V, Acura RSX, Acura RDX, Acura Integra, HR-V, and Passport applications, the T165 provides a direct service replacement where the original cap must seal properly and maintain the correct vacuum and relief function. The Motorad T165 is a straightforward option for routine cooling system maintenance and cap replacement.

What It Helps Address

• Coolant loss caused by a cap that no longer seals correctly.
• Vacuum or relief valve issues in the reservoir cap.
• Wear, cracking, or deterioration of the original plastic cap.
• Difficulty maintaining proper cooling system closure during service.
• Replacement needs for listed Honda and Acura cooling system applications.

Installation Notes and Tips

Verify the reservoir neck dimensions and thread style before installation. The cap is threaded for manual removal and installation, and the compact standard design supports routine service without special hardware. Confirm the application notes for the exact Honda or Acura model and year before ordering.

Quality Assurance

Motorad manufactures this cap to meet OEM specifications and quality tests it for demanding automotive cooling system conditions. The design uses proper relief and vacuum valves to support consistent cooling system function.