Con Rod Bush D1403 For Kubota Engine Parts Diesel Construction Agriculture

Product Details

Product Overview

This Con Rod Bush D1403 is a precision engine component designed specifically for Kubota diesel engines. Manufactured to OEM size specifications, this connecting rod bushing ensures a precise fit and reliable performance in demanding applications. As a critical wear part in the engine’s bottom end assembly, this bush provides the necessary clearance and surface hardness for the connecting rod small end to articulate smoothly around the piston pin.

Engineered for Kubota’s D1403 diesel engine block, this component is commonly used across a wide range of industrial, construction, agricultural, and marine equipment. The part is produced using high-grade materials to withstand the high cyclic loads and temperatures found in diesel engine operation. Whether you are rebuilding a genset, repairing a tractor, or overhauling a forklift engine, this con rod bush offers a direct replacement solution that meets or exceeds original equipment specifications.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to exact OEM size standards for direct replacement on Kubota D1403 engines, eliminating the need for machining or modification during installation.
• Superior Wear Resistance: Constructed from high-strength bearing material designed to withstand extreme pressure and reduce friction between the connecting rod and piston pin.
• Extended Service Life: Engineered for durability in continuous-duty applications, helping to extend the interval between major engine overhauls.
• Versatile Application Compatibility: Suitable for a broad range of Kubota-powered equipment including construction machinery, agricultural tractors, industrial generators, marine engines, and material handling equipment.
• Rigid Quality Control: Each bush undergoes outgoing video inspection and machinery test reporting to ensure dimensional accuracy and surface finish consistency.
• Secure Packaging: Protected during transit with plastic bag, box, and carton packaging to prevent damage and contamination before installation.

Technical Specifications

OEM Cross-Reference

This Con Rod Bush D1403 is designed as a direct replacement for the following Kubota original part numbers and cross-reference equivalents:

• Kubota OEM: 1G850-21090, 15221-21090 (verify with your engine serial number)
• Aftermarket Equivalent: D1403-CRB

Note: Always verify your existing part number and engine serial number before purchasing to ensure correct fitment. Cross-reference information is provided as a guide and may not be exhaustive.

Compatibility

This connecting rod bush is specifically designed for the Kubota D1403 diesel engine. It is commonly used for the following applications and equipment types:

• Construction Equipment: Mini excavators, compact track loaders, backhoe loaders
• Agricultural Machinery: Tractors, tillers, harvesters, sprayers
• Industrial Equipment: Generators (gensets), compressors, pumps
• Marine Engines: Auxiliary power units, small vessel propulsion
• Material Handling: Forklifts, telehandlers, skid steer loaders

Fitment is inferred based on engine model. Always cross-reference with your specific equipment manufacturer’s parts catalog.

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B buyers across all major industrial markets. Our distribution network ensures reliable delivery to:

• North America: Fast shipping to US and Canadian industrial hubs
• Europe: Regular shipments to EU ports and inland distribution centers
• Asia-Pacific: Direct service to Japan, Korea, Australia, and Southeast Asia
• Middle East & Africa: Efficient logistics to Dubai, Jeddah, and major African ports
• South America: Regular exports to Brazil, Argentina, and Chile

We offer flexible shipping options including air freight, sea freight, and express courier services. Our team has extensive experience in international trade documentation, customs clearance, and compliance with export regulations.

Quality Assurance

Every Con Rod Bush D1403 is manufactured under strict quality control standards in our ISO-compliant facility in Guangdong, China. Our quality assurance process includes:

• Material Verification: Raw material analysis to ensure correct alloy composition and hardness
• Dimensional Inspection: Precision measurement of inner diameter, outer diameter, and length to OEM tolerances
• Surface Finish Testing: Verification of surface roughness for optimal oil retention and reduced friction
• Video Outgoing Inspection: Visual and dimensional checks recorded for customer transparency
• Machinery Test Report: Documentation of functional testing parameters

All products come with a 6-month warranty against manufacturing defects. We stand behind the quality of our parts and offer responsive after-sales support for any fitment or performance concerns.

FAQ

Q1: How do I confirm that this Con Rod Bush D1403 fits my engine?

To verify fitment, first check your engine’s model number, which is typically stamped on a nameplate or directly on the engine block. This bush is specifically designed for the Kubota D1403 diesel engine. Additionally, measure the existing bush’s inner diameter (piston pin bore) and outer diameter (connecting rod small end bore) to compare with OEM specifications. If your engine is a D1403, this part will be a direct replacement without need for machining.

Q2: What is the recommended installation procedure for this con rod bush?

Installation should be performed by a qualified diesel mechanic. The bush is typically pressed into the connecting rod small end using an arbor press or specialized tool. Ensure the oil hole in the bush aligns perfectly with the oil passage in the connecting rod. After installation, verify the inner diameter is within specification using a bore gauge. Do not attempt to ream or resize the bush unless necessary, as it is manufactured to final OEM dimensions. Always lubricate the bush and piston pin during assembly with clean engine oil.

Q3: How can I maximize the service life of this con rod bush?

Service life depends on several factors: use high-quality engine oil and maintain proper oil levels and change intervals. Ensure the engine’s oil pump and filtration system are in good working condition to supply clean, pressurized oil to the connecting rod bearing. Avoid prolonged operation under extreme loads or overheating conditions. During engine rebuilds, always inspect the piston pin for wear or scoring, as a worn pin will accelerate bush wear. Following the engine manufacturer’s recommended maintenance schedule will significantly extend the life of this component.