4HK1 6HK1 Piston With Pin 1121119760 1-12111976-0 1-12111-976-0 For Isuzu Excavator Engine

Product Details

Product Overview

This high-quality piston assembly is a critical replacement component for Isuzu 4HK1 and 6HK1 diesel engines, commonly found in excavators, loaders, and other heavy construction machinery. The product is precisely identified by the OEM part number 1121119760 (also listed as 1-12111976-0 and 1-12111-976-0), ensuring accurate cross-referencing for maintenance and overhaul needs.

Manufactured to OEM size specifications, this piston includes the piston pin (wrist pin), providing a complete solution for engine rebuilds. It is designed to restore compression, reduce oil consumption, and improve overall engine performance in demanding industrial applications.

Key Features & Benefits

• OEM-Equivalent Fitment: Manufactured to match the exact dimensions and specifications of the original Isuzu part, ensuring direct replacement without modifications.
• Complete Assembly: Includes the piston and pin, reducing the number of parts needed for a full cylinder kit replacement and simplifying the installation process.
• Enhanced Durability: Constructed from high-strength materials to withstand the extreme heat and pressure of turbocharged diesel combustion, extending service life.
• Improved Engine Performance: Restores proper compression ratios and reduces blow-by, leading to better fuel efficiency, increased power output, and lower emissions.
• Rigorous Quality Control: Each unit undergoes machinery testing and video outgoing inspection to verify critical dimensions and surface finish before shipment.
• Versatile Application: Suitable for a wide range of heavy equipment including excavators, bulldozers, trucks, forklifts, and buses powered by the Isuzu 6HK1 or 4HK1 engine platform.

Technical Specifications

OEM Cross-Reference

This piston assembly is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Isuzu: 1121119760, 1-12111976-0, 1-12111-976-0

This part corresponds to the standard size piston used in Isuzu 4HK1 and 6HK1 engine overhauls. Always verify your engine’s specific model and serial number to confirm compatibility.

Compatibility

This component is commonly used for the following engine models and applications:

• Engine Models: Isuzu 4HK1, Isuzu 6HK1
• Vehicle/Equipment Applications: Excavators, Forklifts, Trucks, Loaders, Bulldozers, Buses, and other industrial machinery utilizing these engine platforms.

Note: Fitment is based on engine model. Always confirm the specific engine code and piston size required for your equipment before installation.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the urgent demands of B2B buyers in the heavy equipment and automotive aftermarket sectors. Our distribution network serves major markets across:

• Asia-Pacific: China, Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: UAE, Saudi Arabia, South Africa, and neighboring regions.
• North America: USA, Canada, and Mexico.
• Europe: Germany, UK, Netherlands, and other key industrial centers.
• South America: Brazil, Chile, Argentina.

We provide fast delivery to major ports and industrial centers, supported by efficient logistics and export documentation for smooth international trade compliance.

Quality Assurance

We are committed to delivering reliable aftermarket parts. Our quality assurance process includes:

• Manufacturing Standards: Parts are produced in ISO-compliant facilities with strict quality control measures.
• Testing: Each piston is subject to machinery test reports and outgoing video inspection to verify dimensional accuracy and surface quality.
• Warranty: All products are backed by a 6-month warranty against manufacturing defects, providing peace of mind for your maintenance operations.

FAQ

Q1: Is this piston a direct replacement for the original Isuzu part on my 6HK1 engine?
Yes, this piston is manufactured to OEM specifications (standard size) and is a direct replacement for the Isuzu part number 1121119760. It includes the piston pin and is designed to fit the 6HK1 engine block without modifications. However, we always recommend verifying your engine’s specific serial number and existing piston size to ensure a perfect match.

Q2: What is included in the package? Does it come with piston rings?
This product listing is for the piston assembly and the piston pin only. Piston rings are not included in this specific package. For a complete cylinder overhaul, you may need to order the piston rings and cylinder liners separately. Please check our store for matching ring sets and liner kits for the 6HK1/4HK1 engine.

Q3: What is the expected lifespan of this aftermarket piston compared to an OEM part?
The lifespan of this piston is comparable to OEM parts when installed correctly and used under normal operating conditions. The high-grade alloy construction and precise machining ensure excellent durability. Proper maintenance, including regular oil changes and air filter replacements, will significantly extend the service life of this component. Our 6-month warranty covers any manufacturing defects.