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1-12112009-1 High-Silicon Aluminum Alloy Engine Piston For Heavy Duty Truck
High-performance engine piston designed for ISUZU 6BD1 and 6BD1T engines, featuring advanced materials and precision engineering for heavy-duty applications.
Material: High-performance Aluminum Alloy (Standard) / Alfin (Steel ring carrier)
Number of Cylinders: 6
Surface Treatment: Tin Plated, Anodic Oxidation, or Graphite Coating
Function: Converting the pressure of expanding combustion gases into mechanical energy
Why Choose This Piston?
Whether you are performing a complete engine overhaul or a routine top-end repair, using the 1-12112009-1 ensures long-term reliability. By maintaining consistent compression ratios and reducing oil consumption, this piston helps extend the overall service life of your ISUZU fleet.
Technical Specifications
Parameter
Specification
Cylinder Bore Diameter
102.0 mm
Total Length (Height)
Approx. 114.7 mm
Compression Height
63.7 mm (from pin hole center to top)
Piston Pin Diameter
35.0 mm
Piston Pin Length
84.0 mm
Installation Notices
1. Pre-Installation Inspection
Verify OEM Number: Ensure the OEM number 1-12112009-1 matches your vehicle's parts catalog. Even within the 6BD1 engine series, variations in combustion bowl shapes (round vs. square) may exist.
Check for Damage: Inspect the piston crown, ring grooves, and pin holes for any scratches, burrs, or transportation damage before installation.
2. Matching & Balance
Set Replacement: For optimal engine performance and vibration control, it is strongly recommended to replace pistons in complete sets of six.
Weight Grading: Ensure all pistons in the engine are of the same weight grade (check the markings on the piston head) to maintain crankshaft balance.
3. Technical Clearances
Piston-to-Wall Clearance: Strictly follow the ISUZU service manual for cylinder honing. Improper clearance can lead to "piston slapping" (if too loose) or engine seizure (if too tight).
Ring Orientation: Ensure piston rings are installed with the "Top" mark facing upward and that ring gaps are staggered according to the 120-degree or 180-degree rule to prevent oil consumption.
4. Lubrication & Cleaning
Initial Lubrication: Apply clean engine oil to the piston skirts and the piston pin during assembly. Never install "dry."
Contamination Control: Ensure the engine block and cooling passages are thoroughly cleaned of carbon deposits and debris before fitting new pistons.
5. Professional Installation
Torque Specs: Always use a calibrated torque wrench for connecting rod bolts associated with the piston assembly.
Expertise Required: This is a professional-grade mechanical component. Installation should be performed by a certified diesel mechanic to avoid premature engine failure.
Applications
This high-performance 1-12112009-1 piston is precision-engineered for ISUZU 6BD1 and 6BD1T engines, widely utilized in F-Series trucks (FTR, FVR) and Hitachi EX200 excavators, offering exceptional thermal stability and durability for heavy-duty commercial and industrial applications.
Frequently Asked Questions
Q: Which engine does this piston fit?
A: It is designed for Isuzu 6HK1 engines, commonly used in Hitachi ZX330/ZX350 excavators and heavy trucks.
Q: What is the material and construction?
A: It is made of High-Silicon Aluminum Alloy with an Alfin insert (reinforced ring groove) and an internal oil cooling gallery for high heat resistance.
Q: Does it have any surface treatment?
A: Yes, it features a Graphite Coated Skirt to reduce friction and a Tin-plated or Anodized head for extra durability.
Q: What is included in the box?
A: This specific part number refers to the Piston alone. Piston rings, pins, and clips are usually sold separately or as a "Piston Kit."
Q: Is this an OEM or Aftermarket part?
A: It is a Premium Aftermarket replacement manufactured to OEM dimensions and material standards.
Q: How can I verify the fitment?
A: Please check your Engine Serial Number or the Bore Diameter (115mm) to ensure 100% compatibility before ordering.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2011
Total Annual:
10000000-100000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ... Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ...
