Four Seasons 36893 Engine Cooling Fan Blade

Engine Cooling Fan Blade for OE-Style Replacement

Four Seasons 36893 is an engine cooling fan blade built for reverse-rotation applications that call for an OE-style fan clutch blade. It uses an 11-blade, non-flex design with a 18.250-inch diameter and plastic/steel construction for direct replacement service on select Chevrolet, GMC, Hummer, and Oldsmobile vehicles.

Compatible With 1996-2007 Chevrolet, GMC, Hummer, and Oldsmobile applications, this fan blade is sized for factory-style cooling system service and is performance rated for OE replacement use. Four Seasons 36893 is also cross-referenced to VDO FA70377 for the same application.

Key Features

• Engine cooling fan blade for fan clutch applications
• 11-blade, non-flexable design
• 18.250-inch blade diameter with 463.550 mm diameter
• Counterclockwise rotation for reverse-rotation systems
• Plastic blade material with plastic/steel construction
• 4-bolt mounting pattern with 3.250-inch bolt circle diameter
• OE replacement and performance rated
• Meets or exceeds OEM requirements

Detailed Product Overview

Four Seasons Fan Blade 36893 is engineered as an OE-style cooling fan blade for vehicles using a reverse-rotation fan clutch setup. The 18.250-inch diameter, 11-blade profile, and 4-bolt mounting layout support factory-style fitment on applications such as the Chevrolet Astro, Chevrolet Blazer, Chevrolet S10, GMC Jimmy, GMC Safari, GMC Sonoma, Oldsmobile Bravada, Hummer H2, and select Chevrolet Express and GMC Savana vans. The white plastic blade design is paired with steel reinforcement for service in engine cooling systems where consistent airflow is required.

This part number, 36893, is listed as an OE replacement and performance rated component for direct cooling fan service. It is a practical choice when replacing a worn, damaged, or noisy fan blade on reverse-rotation systems that rely on the correct blade diameter, hub depth, and bolt pattern for proper operation.

Common Problems This Part Can Address

• Cracked or broken cooling fan blades
• Excessive fan noise from a damaged blade
• Reduced airflow from a worn OE fan blade
• Cooling system performance issues caused by incorrect blade style
• Replacement needs after fan clutch service on reverse-rotation applications

Installation Notes and Tips

• Verify reverse-rotation, counterclockwise operation before installation.
• Confirm the 4-bolt mounting pattern and 3.250-inch bolt circle match the original part.
• Check blade diameter, hub depth, and fan mount height against the removed component.
• Use the vehicle-specific fitment notes for applications marked with A/C or OE-style fan blade requirements.
• Inspect the fan clutch and surrounding cooling components during replacement to ensure proper system operation.

Quality Assurance

Four Seasons 36893 is identified as an OE replacement, performance rated fan blade that meets or exceeds OEM requirements. It is designed for direct replacement service in confirmed applications and is cross-referenced to VDO FA70377.