Piston 129901-22080 104mm for 4D94E Engine Suitable for Caterpillar Excavator Parts

Product Details

Product Overview

This high-quality piston, identified by part number 129901-22080 and featuring a precise 104mm diameter, is specifically designed for the 4D94E diesel engine. It is a critical component commonly used in various heavy machinery applications, including excavators, forklifts, bulldozers, and loaders, where it is often associated with Caterpillar engine systems.

Manufactured to OEM size specifications, this piston ensures reliable performance and a proper fit for engine rebuilding and maintenance projects. As a core moving part within the engine cylinder, it is engineered to withstand high combustion pressures and temperatures, providing the durability required for demanding industrial and construction environments.

Key Features & Benefits

• Precision Engineering: Machined to the exact OEM size (104mm) for the 4D94E engine, ensuring a correct fit and reducing installation errors.
• High Durability: Constructed from robust materials to withstand extreme thermal and mechanical stress, extending engine service life.
• Direct Replacement: Designed as a drop-in replacement for part number 129901-22080, simplifying the procurement process for maintenance teams.
• Versatile Application: Suitable for a wide range of equipment, from excavators and loaders to forklifts and trucks, offering a single solution for multiple fleet needs.
• Rigorous Testing: Each unit is subject to quality control checks, with machinery test reports and video outgoing inspection available to verify performance standards.
• Cost-Effective Maintenance: Provides a reliable alternative to genuine OEM parts without compromising on fitment or operational safety.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM numbers:

• 129901-22080 (Primary Part Number)
• Compatible with Caterpillar engine applications using the 4D94E engine platform.
• Please verify your engine block casting number and existing piston size (104mm) to confirm fitment.

Compatibility

This piston is commonly used for the following applications:

• Engine Models: 4D94E Diesel Engine
• Vehicle & Equipment Types:
  • Excavators
  • Forklifts
  • Bulldozers
  • Loaders
  • Trucks & Buses
• Note: While this part is suitable for the mentioned engine model, we recommend consulting your equipment’s parts manual or a certified mechanic to confirm exact compatibility with your specific serial number and engine configuration.

Global Supply & Distribution

We maintain a robust global supply chain to serve international B2B buyers. Our inventory is strategically located to ensure fast delivery to major industrial centers and ports worldwide. We regularly export to key markets including:

• North America: United States, Canada, Mexico
• Europe: Germany, United Kingdom, Netherlands, France, Italy
• Asia-Pacific: Australia, Japan, South Korea, Singapore, Thailand
• Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
• South America: Brazil, Chile, Argentina

We offer flexible shipping options including sea freight (FOB/CIF), air freight (DDP/DAP), and express courier services. Our team handles all export documentation and customs compliance to ensure smooth international transactions.

Quality Assurance

Our pistons are manufactured in a facility that adheres to strict quality control protocols. We ensure product reliability through the following measures:

• Manufacturing Standards: Components are produced to meet or exceed OEM specifications for material hardness, dimensional accuracy, and thermal tolerance.
• Certifications & Testing: A comprehensive Machinery Test Report is provided with each shipment, and a Video Outgoing Inspection can be arranged to verify part quality before dispatch.
• Warranty: Each piston is backed by a standard 6-month warranty against manufacturing defects, giving you confidence in your purchase.

FAQ

1. How do I confirm this 104mm piston will fit my engine?

First, verify your engine model is a 4D94E. Next, check the existing piston diameter. If it measures 104mm and the engine block accepts this standard size, the part number 129901-22080 is the correct replacement. We always recommend cross-referencing with your engine’s service manual to check for any special ring groove or pin height specifications.

2. What is the installation procedure for this piston?

Installation should be performed by a qualified diesel mechanic. The piston rings must be compressed using a proper ring compressor tool before inserting the piston into the cylinder bore. Ensure the connecting rod is correctly aligned and the wrist pin is securely fastened. Always lubricate the cylinder walls and piston skirt with clean engine oil during assembly. Torque all connecting rod bolts to the manufacturer’s specifications.

3. What is the recommended maintenance for this piston after installation?

After installing the new piston, perform a proper engine break-in procedure as outlined in the engine manual. This typically involves running the engine at varying RPMs without heavy loads for the first 50-100 hours. Regularly check and change engine oil and filters according to the service schedule to prevent contamination and wear. Periodically inspect cylinder compression to ensure the piston and rings are sealing correctly.