1-12111777-0 Piston & Liner Set for Isuzu 6BD1 Engine | Excavator & Truck Parts

Product Details

Product Overview

This is a genuine 1-12111777-0 Piston & Liner Set, specifically designed for the Isuzu 6BD1 diesel engine. As a critical internal engine component, this piston and liner kit is engineered to restore compression, reduce oil consumption, and maximize engine power output in heavy-duty applications.

Commonly utilized in excavators and trucks, this set provides a direct replacement for worn or damaged components. As a genuine part sourced from Japan, it ensures dimensional accuracy and material integrity that aftermarket copies often fail to match, making it a reliable choice for engine overhaul and rebuild projects.

Key Features & Benefits

• Genuine Quality Assurance: This is a genuine Japanese component, ensuring perfect fitment and OEM-level durability for your Isuzu 6BD1 engine.
• Precision Engineering: Manufactured to exact specifications, the piston skirt and ring grooves are machined with tight tolerances to minimize friction and maximize seal integrity.
• Enhanced Durability: The liner is constructed from high-strength cast iron with a hardened bore surface, providing excellent wear resistance against carbon deposits and high combustion pressures.
• Complete Set: Includes both piston and liner, ensuring matched thermal expansion and optimal clearance for a reliable rebuild.
• Reduced Downtime: Long-lasting parts design helps extend service intervals, keeping your excavator or truck operational for longer periods.
• Versatile Application: Suitable for both construction equipment (excavators) and commercial vehicles (trucks) powered by the 6BD1 engine platform.

Technical Specifications

OEM Cross-Reference

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

• Isuzu OEM: 1-12111777-0
• Alternative Reference: 1-12111777-1 (compatible variant)

Note: Always verify your engine block stamping to confirm the correct piston grade before installation.

Compatibility

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

• Engine: Isuzu 6BD1 (6-cylinder, direct injection diesel)
• Construction Equipment: Excavators (e.g., Hitachi EX120, EX150 series using Isuzu power plants)
• Commercial Vehicles: Isuzu Forward trucks and other medium-duty truck models utilizing the 6BD1 engine

Fitment is inferred based on standard OEM configurations. Please cross-reference your specific engine serial number to confirm compatibility.

Global Supply & Distribution

We offer worldwide shipping capabilities, ensuring fast and reliable delivery of this critical engine part to major industrial centers globally. Our distribution network covers:

• North America: Quick shipping to ports and warehouses in the USA, Canada, and Mexico.
• Europe: Efficient logistics to Germany, the UK, France, and the Netherlands.
• Asia-Pacific: Direct supply to Japan, Australia, Singapore, and Southeast Asian markets.
• Middle East & Africa: Reliable service to UAE, Saudi Arabia, South Africa, and Nigeria.

With extensive export experience, we ensure proper customs documentation and international trade compliance for hassle-free procurement.

Quality Assurance

This product is sourced as a genuine Japanese component, adhering to strict manufacturing standards (JIS – Japanese Industrial Standards). Each piston liner set undergoes visual and dimensional inspection to ensure it meets OEM specifications. While specific testing data is unavailable, the genuine status provides confidence in material composition and durability. Our warranty covers manufacturing defects for 3 months from the date of purchase, and we offer video technical support to assist with installation verification.

FAQ

Q1: Is this piston liner set a direct fit for my Isuzu 6BD1 engine?
A: Yes, part number 1-12111777-0 is the genuine Isuzu specification for the 6BD1 engine. However, due to engine block variations over production years, we recommend comparing the piston diameter and liner height with your old part before final installation.

Q2: What is included in the “Piston Liner Set”?
A: The set typically includes the piston, piston rings, and the cylinder liner. It is a matched assembly designed to be installed together. Please confirm with our sales team if wrist pins and circlips are included in the specific batch you are ordering.

Q3: What maintenance should I perform when installing this set?
A: During installation, ensure the cylinder block bore is clean and free of carbon deposits. Replace the connecting rod bearings and gaskets simultaneously for a complete rebuild. After installation, follow the engine break-in procedure, avoiding heavy loads for the first 50 hours of operation to allow the piston rings to seat properly.