Crankshaft Pulley V2403 For Kubota Engine Parts Excavator Loader Bulldozer

Product Details

Product Overview

This high-quality Crankshaft Pulley is specifically designed for the Kubota V2403 diesel engine, a power unit widely used in compact and heavy construction machinery. As a critical component of the engine’s front-end accessory drive (FEAD) system, this pulley transfers rotational force from the crankshaft to drive the alternator, water pump, power steering pump, and air conditioning compressor via the serpentine or V-belt.

Manufactured under the brand, this replacement part is engineered to meet or exceed OEM specifications. It is a direct-fit component intended for use in a variety of applications, including excavators, loaders, bulldozers, forklifts, trucks, and buses that are powered by the Kubota V2403 engine. Please verify your engine model and application to ensure correct fitment.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size and specifications, ensuring a perfect fit and proper belt alignment on your Kubota V2403 engine.
• Durable Construction: Built with high-quality materials to withstand the high torsional vibration and cyclic loads of diesel engine operation.
• Reliable Performance: Ensures consistent power delivery to all belt-driven accessories, preventing slippage and maintaining proper charging and cooling system function.
• Extended Service Life: Designed for long-term durability in demanding environments like construction sites and industrial facilities.
• Easy Installation: A direct bolt-on replacement part that simplifies maintenance and reduces downtime for your equipment.
• Rigorous Testing: Each unit undergoes a machinery test report and video outgoing inspection to verify quality before shipment.
• Cost-Effective Solution: A high-quality aftermarket alternative that provides significant savings compared to OEM dealer pricing.

Technical Specifications

OEM Cross-Reference

This crankshaft pulley is a direct replacement for the following Kubota original equipment manufacturer (OEM) part numbers. Please cross-reference your existing part to confirm compatibility.

• Kubota OEM: 1G887-73110, 16381-73110
• Note: It is always recommended to compare your old pulley’s dimensions (diameter, bolt pattern, and depth) with the replacement part to ensure a perfect match.

Compatibility

This crankshaft pulley is commonly used for the following applications. Please verify your specific engine model and year before purchasing.

• Engine: Kubota V2403 (Naturally Aspirated and Turbocharged variants)
• Applications:
  • Excavators (e.g., Kubota KX series)
  • Wheel Loaders (e.g., Kubota R520, R530)
  • Bulldozers (e.g., Kubota D31, D32)
  • Forklifts (e.g., Toyota, Nissan, TCM with V2403 engine)
  • Agricultural Tractors
  • Industrial Generators and Pumps

Global Supply & Distribution

We maintain a robust global supply chain to ensure fast and reliable delivery to B2B buyers worldwide. Our distribution network covers all major markets, including North America, Europe, Southeast Asia, the Middle East, Africa, and South America.

We offer flexible shipping options from our warehouse in Guangdong, China, with expedited delivery to major ports such as Los Angeles, Rotterdam, Singapore, and Dubai. We have extensive experience in international trade compliance and can handle bulk orders for OEM, aftermarket, and dealer networks. Whether you need a single part for a repair or a container shipment for a distribution center, we are equipped to meet your volume and timeline requirements.

Quality Assurance

At, quality is our top priority. Our manufacturing processes adhere to strict international standards to ensure every component performs reliably in the field.

• Manufacturing Standards: ISO 9001 quality management systems are implemented in our production facility.
• Testing: Each crankshaft pulley undergoes a machinery test report to verify dimensional accuracy and balance. A video outgoing inspection is provided for every order to confirm the product meets specifications before shipment.
• Warranty: We stand behind our products with a 6-month warranty against manufacturing defects. This provides our B2B customers with peace of mind and a reliable guarantee of quality.

FAQ

Q1: How can I be sure this crankshaft pulley will fit my Kubota V2403 engine?

A: While this pulley is specifically designed for the V2403 engine block, there can be minor variations based on the specific application (e.g., forklift vs. excavator) or the accessory drive configuration. We strongly recommend checking the following: 1) The number of grooves on your old pulley. 2) The overall diameter. 3) The center bore size and bolt pattern. Compare these details with the specifications of the unit. If you are unsure, please contact our sales team with your original part number or a photo of your old pulley for verification.

Q2: What are the signs of a failing crankshaft pulley that I should look for?

A: Common failure symptoms include: 1) Visible wobble: The pulley may appear to wobble while the engine is running. 2) Belt noise: A squealing or chirping sound from the front of the engine, especially on startup or when accessories are engaged. 3) Vibration: Excessive vibration in the engine bay. 4) Belt wear: Uneven or accelerated wear on the serpentine or V-belt. 5) Overheating or battery drain: If the pulley fails to drive the water pump or alternator effectively. If you notice any of these issues, inspect the pulley immediately.

Q3: Is any special equipment needed to install this crankshaft pulley?

A: Installation is typically a straightforward mechanical job, but it does require specific tools. You will generally need a socket set, a torque wrench, and a special tool to hold the crankshaft in place while loosening or tightening the center bolt (a harmonic balancer holder or a strap wrench is often used). It is critical to tighten the center bolt to the manufacturer’s exact torque specification, as this secures the pulley to the crankshaft. If you are not experienced with engine repair, we recommend having a qualified mechanic perform the installation.