Hayden 2679 Engine Cooling Fan Clutch

Overview of Hayden Fan Clutch 2679

The Hayden Fan Clutch 2679 is designed to provide reliable engine cooling performance for select Toyota and Lexus models. Constructed from durable aluminum, this standard duty engine cooling fan clutch ensures consistent operation and meets or exceeds OEM specifications.

• Material: Aluminum construction for durability
• Compatible with Toyota 4Runner, GX470, Sequoia, Tundra and Lexus models
• Non-electronic, standard duty clutch type A for 5" & 6" import fans
• Mounting type: Flange with 4 bolt holes (M6 x 1.0 thread)
• Maximum clutch diameter: 6.65 inches (168.9 mm)
• Overall height: 3.28 inches (83.3 mm)
• Fan bolt circle diameter: 5.35 inches (136 mm)
• New, performance rated, meets or exceeds OEM standards

Hayden Fan Clutch Product Line Details

The Hayden Fan Clutch product line focuses on delivering reliable engine cooling components designed for standard duty applications. This line emphasizes compatibility with a range of import vehicles, including Toyota and Lexus models, providing a balance of durability and performance. The 2679 part number is part of this line, engineered to maintain proper fan engagement and engine temperature control under typical driving conditions.

Detailed Product Description

The Hayden Fan Clutch 2679 features a raw aluminum finish and a flange mounting type with four bolt holes, ensuring secure installation. It is a non-electronic clutch designed for reverse rotation and fits fans with a maximum diameter of 6.65 inches. The clutch has a mounting diameter of 3.63 inches and a pilot depth of 0.88 inches, making it compatible with specific Toyota and Lexus models such as the 4Runner, GX470, Sequoia, and Tundra. This fan clutch is performance rated and meets or exceeds OEM requirements, providing dependable cooling system operation.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating fan engagement
• Reduces unnecessary fan drag for improved fuel efficiency
• Eliminates fan clutch slippage or failure symptoms
• Restores proper cooling fan operation in Toyota 4Runner and Lexus GX470
• Ensures consistent engine temperature control in Toyota Sequoia and Tundra

Installation Notes and Tips

Installation requires flange mounting with four M6 x 1.0 threaded bolts (hardware not included). Ensure the mounting surface is clean and free of debris before installation. Verify the clutch rotation direction matches the engine fan rotation (reverse rotation). Proper torque specifications should be followed to avoid damage. This fan clutch is designed for standard duty use and is compatible with 5" and 6" import fans.

Quality Assurance and Warranty

The Hayden Fan Clutch 2679 is a new, performance-rated part that meets or exceeds OEM standards for fit and function. While mounting hardware is not included, the clutch is manufactured to strict quality controls to ensure durability and reliable operation. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.