Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This fan belt, identified by the OEM reference number 3037425X and belt size 5PK864, is a critical engine component specifically designed for the Cummins QSM11 diesel engine. As a high-wear item, the belt ensures the proper operation of the engine’s cooling fan, alternator, and other accessory drives.
Engineered for heavy-duty applications, this belt is commonly used in demanding environments such as excavators, bulldozers, trucks, loaders, and buses. Its robust construction ensures reliable power transmission and long service life, reducing downtime for your fleet.
Please verify your existing part number (3037425X or 5PK864) before purchase to ensure correct fitment for your specific engine serial number.
Key Features & Benefits
OEM Specification: Manufactured to meet original size and performance standards for the Cummins QSM11 engine.
Precise Fitment: The 5PK864 profile (5 ribs, 864mm effective length) ensures correct tension and alignment on pulleys.
Durable Construction: Built with high-tensile strength materials to withstand the high torque and heat of industrial diesel engines.
Reduced Downtime: Reliable performance minimizes the risk of belt slippage or breakage during critical operations.
Versatile Application: Suitable for a wide range of heavy machinery including construction, mining, and agricultural equipment.
Cost-Effective Solution: A high-quality aftermarket alternative to genuine parts, offering excellent value without compromising on performance.
Technical Specifications
Specification
Detail
Part Number
3037425X
Belt Size
5PK864
Engine Model
Cummins QSM11
Engine Type
Diesel
Product Type
Fan Belt / V-Ribbed Belt
Weight
2 kg
Place of Origin
Guangdong, China
Packing
Plastic bag, Box, or Carton
OEM Cross-Reference
This belt is a direct replacement for the following OEM part numbers:
Cummins: 3037425X
Belt Size Equivalent: 5PK864
Note: Always cross-reference the part number and belt dimensions (5PK864) with your existing belt before ordering.
Compatibility
This fan belt is specifically designed for the Cummins QSM11 diesel engine. It is commonly used for the following types of heavy equipment:
Excavators
Bulldozers
Wheel Loaders
Dump Trucks
Forklifts
Buses
Fitment is inferred based on the engine model. Please check your specific equipment’s engine configuration.
Global Supply & Distribution
is committed to serving the global B2B market. We offer efficient logistics solutions to ensure your order arrives on time, anywhere in the world.
Worldwide Shipping: We ship to all major industrial regions including North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania.
Major Ports: Fast and reliable delivery to major ports such as Shanghai, Shenzhen, Rotterdam, Los Angeles, and Dubai.
Industrial Centers: Efficient distribution to inland industrial hubs.
Export Experience: Our team has extensive experience with international trade documentation and customs clearance.
Quality Assurance
Warranty: This product comes with a 6-month warranty against manufacturing defects.
Testing: Machinery test reports and video outgoing inspections are provided upon request to verify quality.
Standards: Manufactured in facilities that adhere to international quality control standards.
Inspection: Each belt is inspected for dimensional accuracy (length, width, rib profile) before packing.
FAQ
Q1: How do I confirm this belt fits my Cummins QSM11 engine? A: First, check the part number on your existing belt. It should match 3037425X or measure the belt length (864mm) and count the ribs (5). If your belt is a 5PK864 or has the OEM number 3037425X, this part is the correct replacement.
Q2: What is the installation procedure for this fan belt? A: Installation requires loosening the tensioner pulley. Remove the old belt, route the new belt 3037425X around the pulleys according to the belt routing diagram for your specific QSM11 application, and then re-tension the belt to the manufacturer’s specifications. Over-tensioning can damage bearings; under-tensioning can cause slippage.
Q3: How often should this belt be replaced on a heavy-duty excavator? A: While the 6-month warranty covers defects, the service life depends on operating conditions. For heavy-duty excavators working in dusty or high-heat environments, we recommend inspecting the belt every 500 hours of operation and replacing it at the first sign of cracking, glazing, or fraying to prevent unexpected breakdowns.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.