Hayden 697 Automatic Transmission Oil Cooler

Hayden 697 Trans Oil Cooler

The Hayden 697 transmission oil cooler is a performance-rated, plate-and-fin style automatic transmission oil cooler built for vehicles that need added fluid temperature control. With a compact 11.000-inch width, 7.500-inch height, and 0.750-inch depth, it uses an aluminum core, black finish, and a 3/8 hose barb connection for straightforward routing in many truck, SUV, and car applications.

Hayden’s Trans Oil Cooler line focuses on practical cooling support for automatic transmissions, and the 697 Rapid-Cool w/ Bypass design is aimed at vehicles that benefit from controlled fluid flow during warm-up and normal operation. This part number 697 is a direct reference point for shoppers comparing transmission cooler options across Chevrolet Silverado 1500, Honda Civic, Toyota Tacoma, and other listed applications.

Key Features

• Automatic transmission oil cooler with Rapid-Cool w/ Bypass design
• Aluminum construction with black finish
• 11.000 in. overall width, 7.500 in. overall height, 0.750 in. overall depth
• 17-core-row plate-and-fin layout
• 3/8 hose barb connector with 0.375 in. outlet diameter
• Bracket included for mounting support
• Performance rated for transmission cooling applications

Detailed Description

The Hayden 697 is a transmission oil cooler designed to help manage automatic transmission fluid temperature in daily-driven and work-oriented vehicles. Its plate-and-fin construction promotes efficient heat transfer, while the bypass feature supports fluid routing during operation. The compact size makes it suitable for front-end mounting where space is limited, and the aluminum body helps keep weight down without sacrificing durability.

This part cross-references Bosch (e.g., 15473) for the same application. It is listed across a wide range of vehicles, including 2011-2022 Chevrolet Silverado 1500, 2011-2021 Honda Civic, and 2011-2021 Toyota Tacoma, making Hayden 697 a useful search term for buyers comparing transmission cooler fitment by make, model, and year.

What It Helps Address

• High automatic transmission fluid temperatures during towing or stop-and-go driving
• Heat buildup in vehicles with factory cooling that needs additional capacity
• Transmission stress from repeated load, traffic, or warm-weather operation
• Fluid temperature control concerns in truck, SUV, and passenger-car applications

Installation Notes and Tips

• Verify hose size and routing before installation; this unit uses a 3/8 hose barb connection.
• Mount the cooler in a location with steady airflow and enough clearance for the 11.000 x 7.500 x 0.750 in. core.
• Use the included bracket and supplied mounting hardware to secure the cooler firmly.
• Confirm vehicle-specific transmission cooler line routing for the listed fitment before final assembly.
• Check for leaks and proper fluid level after installation and road testing.

Quality Assurance

Hayden transmission coolers are built for automotive cooling service and this 697 unit is performance rated for transmission applications. The Rapid-Cool w/ Bypass design, aluminum construction, and plate-and-fin core layout reflect a purpose-built approach for automatic transmission oil cooling in the listed fitments.