Hayden 2785 Engine Cooling Fan Clutch

Hayden 2785 Severe Duty Fan Clutch

The Hayden 2785 is a thermal engine cooling fan clutch built for severe-duty use in reverse-rotation cooling systems. It is a non-electronic, flange-mount aluminum unit that meets or exceeds OEM requirements for the listed applications.

Compatible With Chevrolet and GMC trucks and vans including C1500, K2500, G30, Express 3500, Savana 2500, and P3500 applications that use a reverse-rotation severe duty thermal fan clutch.

Key Features

• Thermal, non-electronic fan clutch for severe-duty cooling demand
• Reverse rotation design for listed Chevrolet and GMC applications
• Aluminum construction with raw aluminum finish
• Flange mounting style with 4 bolt holes and 4 mounting holes
• Performance rated and built to meet or exceed OEM specifications
• Fan bolt circle: 3.25 in. (82.6 mm)
• Mount diameter: 2.46 in. (62 mm)
• Overall height: 3.66 in. (92.9 mm)

Product Details

Hayden Fan Clutch 2785 is part of the Hayden Fan Clutch line, which focuses on replacement cooling components for demanding truck and van applications. This severe-duty thermal fan drive uses a flange mount and M10 x 1.5 bolt holes, with a 6.45 in. maximum clutch diameter and 1.63 in. distance from clutch to mounting flange. It is a new, performance-rated replacement for reverse-rotation cooling systems found on many Chevrolet and GMC platforms.

This part cross-references Four Seasons 4854R and Gates 22154 for the same application.

What It Helps Address

• Engine temperature rise during towing, hauling, or stop-and-go driving
• Reduced fan engagement in severe-duty cooling systems
• Noise or vibration from a worn thermal fan clutch
• Cooling performance loss in reverse-rotation fan setups
• Replacement needs on aging Chevrolet and GMC truck and van cooling systems

Installation Notes

• Verify reverse rotation before installation; this unit is specified for REV applications.
• Confirm flange mount dimensions, fan bolt circle, and pilot measurements against the original part.
• Mounting hardware is not included.
• Use the vehicle’s existing service information to confirm clearance and fan alignment.
• Fits 1999 GMC P3500, N/A; Fits 1994-1998 Chevrolet P30, N/A; Fits 1994-1998 GMC P3500, N/A; Fits 1996 Chevrolet Express 2500, N/A; Fits 1996 Chevrolet Express 3500, N/A; Fits 1994-1996 Chevrolet G30, N/A; Fits 1994-1996 GMC G3500, N/A; Fits 1996 GMC Savana 2500, N/A; Fits 1996 GMC Savana 3500, N/A; Fits 1994-1995 Chevrolet G20, N/A; Fits 1994-1995 GMC G2500, N/A; Fits 1992-1993 Chevrolet C1500, N/A; Fits 1992-1993 Chevrolet C2500, N/A; Fits 1992-1993 Chevrolet C3500, N/A; Fits 1992-1993 Chevrolet K1500, N/A; Fits 1992-1993 Chevrolet K2500, N/A; Fits 1992-1993 Chevrolet K3500, N/A; Fits 1992-1993 GMC C1500, N/A; Fits 1992-1993 GMC C2500, N/A; Fits 1992-1993 GMC C3500, N/A; Fits 1992-1993 GMC K1500, N/A; Fits 1992-1993 GMC K2500, N/A; Fits 1992-1993 GMC K3500, N/A; Fits 1987-1991 Chevrolet Blazer, N/A; Fits 1988-1991 Chevrolet C1500, N/A; Fits 1988-1991 Chevrolet C2500, N/A; Fits 1988-1991 Chevrolet C3500, N/A; Fits 1988-1991 Chevrolet K1500, N/A; Fits 1988-1991 Chevrolet K2500, N/A; Fits 1988-1991 Chevrolet K3500, N/A; Fits 1989-1991 Chevrolet R1500 Suburban, N/A; Fits 1989-1991 Chevrolet R2500 Suburban, N/A; Fits 1989-1991 Chevrolet R3500, N/A; Fits 1989-1991 Chevrolet V1500 Suburban, N/A; Fits 1989-1991 Chevrolet V2500 Suburban, N/A; Fits 1989-1991 Chevrolet V3500, N/A; Fits 1988-1991 GMC C1500, N/A; Fits 1985-1986 GMC C1500, N/A; Fits 1988-1991 GMC C2500, N/A; Fits 1985-1986 GMC C2500, N/A; Fits 1988-1991 GMC C3500, N/A; Fits 1985-1986 GMC C3500, N/A; Fits 1985-1991 GMC Jimmy, N/A; Fits 1988-1991 GMC K1500, N/A; Fits 1985-1986 GMC K1500, N/A; Fits 1988-1991 GMC K2500, N/A; Fits 1985-1986 GMC K2500, N/A; Fits 1988-1991 GMC K3500, N/A; Fits 1985-1986 GMC K3500, N/A; Fits 1987-1991 GMC R1500 Suburban, N/A; Fits 1987-1991 GMC R2500 Suburban, N/A; Fits 1987-1991 GMC R3500, N/A; Fits 1987-1991 GMC V1500 Suburban, N/A; Fits 1987-1991 GMC V2500 Suburban, N/A; Fits 1987-1991 GMC V3500, N/A; Fits 1989 Chevrolet R2500, N/A; Fits 1987-1989 GMC R2500, N/A; Fits 1987-1988 Chevrolet R10 Suburban, N/A; Fits 1987-1988 Chevrolet R20, N/A; Fits 1987-1988 Chevrolet R20 Suburban, N/A; Fits 1987-1988 Chevrolet R30, N/A; Fits 1987-1988 Chevrolet V10 Suburban, N/A; Fits 1987-1988 Chevrolet V20 Suburban, N/A; Fits 1987-1988 Chevrolet V30, N/A; Fits 1987 Chevrolet R10, N/A; Fits 1987 Chevrolet V10, N/A; Fits 1987 Chevrolet V20, N/A; Fits 1987 GMC R1500, N/A; Fits 1987 GMC V1500, N/A; Fits 1987 GMC V2500, N/A; Fits 1986 Chevrolet C10, N/A; Fits 1985-1986 Chevrolet C10 Suburban, N/A; Fits 1986 Chevrolet C20, N/A; Fits 1985-1986 Chevrolet C20 Suburban, N/A; Fits 1986 Chevrolet C30, N/A; Fits 1986 Chevrolet K10, N/A; Fits 1985-1986 Chevrolet K10 Suburban, N/A; Fits 1986 Chevrolet K20, N/A; Fits 1985-1986 Chevrolet K20 Suburban, N/A; Fits 1986 Chevrolet K30, N/A; Fits 1985-1986 Chevrolet K5 Blazer, N/A; Fits 1985-1986 GMC C1500 Suburban, N/A; Fits 1985-1986 GMC C2500 Suburban, N/A; Fits 1985-1986 GMC K1500 Suburban, N/A; Fits 1985-1986 GMC K2500 Suburban, N/A.

Quality Assurance

Hayden specifies this fan clutch as a new, performance-rated replacement that meets or exceeds OEM requirements for the listed applications. The aluminum construction and severe-duty thermal design support consistent cooling-system service in demanding Chevrolet and GMC truck and van use.