1-12112009-1 High Silicon Aluminum Alloy Engine Piston For Heavy Duty Truck
Basic Properties
Place of Origin:
China
Brand Name:
UNC
Trading Properties
Minimum Order Quantity:
10 PCS
Payment Terms:
T/T
Supply Ability:
200000pcs/years
Product Summary
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. Product Details OEM Number: 1-12112009-1 / 1121120091 Engine Model...
Product Details
Highlight:
1-12112009-1 Engine Piston
,High Silicon Aluminum Alloy Engine Piston
Product Name:
Engine Piston
Material:
High-Silicon Aluminum Alloy
Function:
Combustion Pressure Transfer
Color:
Silver / Metallic Grey
Product Description
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.
Product Details
- OEM Number: 1-12112009-1 / 1121120091
- Engine Model: ISUZU 6BD1 / 6BD1T
- Category: Engine Spare Parts
- Vehicle Application: ISUZU F-Series (FTR, FVR), JCR, CVR Trucks
- 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.
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.
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