1-12111778-0 6BD1 6BD1T Piston For EX100-3 Excavator Engine MAHLE

Product Details

Product Overview

This genuine MAHLE piston, OEM number 1-12111778-0, is a direct replacement component specifically designed for the Isuzu 6BD1 and 6BD1T diesel engines. It is a critical internal engine part commonly used in the Hitachi EX100-3 excavator, ensuring the reliable compression and combustion needed for heavy-duty earthmoving operations.

Manufactured to original equipment specifications, this 100% new piston provides the exact fit, weight, and thermal characteristics required for your 6BD1 engine rebuild. It is ideal for B2B buyers seeking a high-quality, brand-name component for fleet maintenance or wholesale distribution to equipment dealers and repair shops.

Key Features & Benefits

• Genuine MAHLE Quality: Manufactured by MAHLE, a world-leading OE supplier, ensuring superior metallurgy and precision machining for extended service life.
• Exact OEM Fitment: Directly replaces OEM part number 1-12111778-0, eliminating guesswork and reducing installation time for your mechanics.
• Engineered for 6BD1/6BD1T Engines: Specifically designed for the thermal and mechanical loads of Isuzu 6BD1 and 6BD1T diesel engines, commonly found in Hitachi EX100-3 excavators.
• 100% New Component: Supplied as a brand-new, non-remanufactured part, providing maximum reliability and predictable performance in rebuilds.
• Optimized Compression Ratio: Maintains the factory compression ratio for your engine, ensuring proper power output, fuel efficiency, and low emissions.
• Durable Ring Grooves: Machined to precise tolerances to securely hold piston rings, reducing oil consumption and blow-by.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM numbers. Please verify your engine’s existing part number before ordering.

• Isuzu / Hitachi OEM: 1-12111778-0
• Alternative Reference: 1121117780 (without dashes)
• MAHLE Internal Code: 1-12111778-0

Compatibility

This piston is specifically designed for the following applications. Fitment is based on the engine model, not the chassis year. We recommend confirming your engine serial number.

• Engine: Isuzu 6BD1 (Naturally Aspirated) & 6BD1T (Turbocharged)
• Excavator Model: Commonly used for Hitachi EX100-3
• Other Applications: Also compatible with various industrial machinery, generators, and marine applications using the 6BD1 engine platform.

Global Supply & Distribution

We maintain a robust inventory of MAHLE engine parts in our Shanghai distribution center, enabling rapid fulfillment for international B2B orders. Our logistics network supports:

• Worldwide Shipping: We ship via air (DHL, FedEx, UPS) and sea (FCL/LCL) to all major global ports.
• Key Markets: We regularly supply buyers in North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Asia-Pacific (Australia, Japan, Singapore, Indonesia), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery: Typical transit times: 5-7 working days for express air freight to major industrial hubs; 20-30 days for sea freight to major ports like Los Angeles, Rotterdam, or Singapore.
• Trade Compliance: Our export documentation includes commercial invoices, packing lists, and certificates of origin to ensure smooth customs clearance.

Quality Assurance

All our MAHLE pistons are sourced from authorized supply chains to guarantee authenticity and performance.

• Manufacturing Standard: ISO/TS 16949 certified production facilities.
• Warranty: 3-Month warranty against manufacturing defects from the date of invoice.
• Inspection: While a full machinery test report is not available for individual pistons, each unit undergoes dimensional and visual inspection before shipment to ensure it meets OEM specifications.
• After-Sales Support: Our technical team provides online support for fitment verification and installation guidance.

FAQ

Q1: Is this piston compatible with the 6BD1T turbo engine, or only the naturally aspirated 6BD1?
A: Yes, this MAHLE piston (1-12111778-0) is designed to be compatible with both the Isuzu 6BD1 (naturally aspirated) and the 6BD1T (turbocharged) engines. The piston crown and ring configuration are engineered to handle the higher thermal loads of the turbocharged variant. However, we always recommend comparing the part number physically with your original piston to confirm exact compatibility, as there are different piston grades for different engine applications.

Q2: Does this piston come with piston rings and a pin?
A: This listing is for the piston assembly only (part number 1-12111778-0). It does not include the piston rings, wrist pin, or circlips. We strongly advise ordering the matching MAHLE piston ring set and pin kit separately to ensure a complete and reliable engine rebuild. Please contact our sales team for the correct ring and pin part numbers for your 6BD1 engine.

Q3: How should I store this piston before installation?
A: To prevent corrosion and damage, store the piston in its original MAHLE packaging in a clean, dry environment. Keep it away from moisture, direct sunlight, and extreme temperature fluctuations. Do not remove the protective coating on the piston skirt until you are ready to install it. Handle the piston carefully to avoid nicking or scratching the precision-machined surfaces.