Fan blade 4735-40518-05, Replacement for Cummins 6BT, 9 blade, 24" Diameter, Nylon 5" Pilot Diameter

Premium Aftermarket Fan Blade for Cummins 6BT Engines

High-quality aftermarket nylon fan blade specifically engineered for Cummins 6BT diesel engines. This direct replacement for OEM part number 4735-40518-05 delivers reliable cooling performance for heavy-duty truck applications, preventing costly engine damage from overheating.

Key Specifications:

• OEM Reference: 4735-40518-05
• Aftermarket Part Number: BCM51805
• Blade Count: 9 blades
• Diameter: 24 inches
• Material: High-grade nylon construction
• Pilot Diameter: 5 inches
• Weight: 10.8 lbs

Fan blade 4735-40518-05, 40518-05, 4035-40518-03, 441500-24 Replacement for Cummins 6BT, 9 blade, 24" Diameter, Nylon 5" Pilot Diameter

• Direct Replacement for Part Numbers: 4735-40518-05, 40518-05, 4035-40518-03, 441500-24
• High quality aftermarket replacement part
• Manufactured with rigorous quality control testing
  
• Manufactured with High Quality Materials

Compatible Applications:

• Cummins 6BT Series Diesel Engines
• Heavy-duty truck cooling systems requiring 24" diameter, 9-blade configuration
• 5" pilot diameter applications
• Industrial and commercial truck applications

Why Choose Nylon Construction?

• Lightweight: Reduces stress on fan clutch and bearings
• Flexible: Absorbs vibration better than rigid aluminum blades
• Safe failure mode: If damaged, nylon won't puncture your radiator like metal blades can
• Proven durability: Engineered to withstand extreme temperatures and high RPM operation

Installation Notes:

• Verify 5" pilot diameter matches your fan hub before ordering
• Inspect fan clutch for wear during replacement
• Torque mounting bolts to Cummins specifications
• Check blade-to-radiator clearance after installation

Warning signs you need replacement: Visible cracks or chips, warping, heat discoloration, unusual vibration, or engine running hotter than normal.

Learn more about fan blade maintenance and cooling system efficiency in our technical guide.

Product Features:

• Premium aftermarket quality that meets or exceeds OEM specifications
• Precision-molded nylon construction
• Balanced for vibration-free operation
• Designed for heavy-duty commercial applications
• Specifically engineered for Cummins 6BT engines

Browse our complete selection of heavy-duty truck fan blades for Mack, Cummins, Navistar, and Freightliner applications.

Expert Technical Advice

For help finding the right part for your Truck call us at: +1 (407) 861-0328

Shipping Policy

Once you order your item we may take 1-2 business days to process it. Once your order is processed, we will ship it out. You will receive an email with your tracking number. The whole length of time this process can take is determined at checkout depending on what carrier you choose(USPS, UPS)

Please note that original shipping fees are non-refundable, and return shippings costs are the customer's responsibility.

Refund Policy

Our Products have a 30-day return policy, for more information visit our Refund Policy

ATTENTION

**Be sure of the part code you are looking for, so that it is the same or equivalent to the part code of the item you purchased. The product description helps locate the item, but the part code unequivocally identifies the item**