OEM 1004023FE010 Piston Pin Wrist Pin 34.5mm Outer Diameter 73mm Length for ISUZU JAC N56 HFC4DE1 2.7L Diesel Engine
Key Attributes
Product Summary
Verified OEM piston pin 1004023FE010 for ISUZU/JAC N56 HFC4DE1 2.7L diesel. Case-hardened alloy steel, precision ground to 34.5mm OD, 73mm length, 0.39kg with ±1g weight tolerance. 99.5% press-fit success rate, 100% dimension inspected. Direct-fit replacement ensuring engine balance and durability under high combustion pressure. Neutral or custom packaging available.
Product Details
34.5mm Outer Diameter Piston Pin
,73mm Length Wrist Pin
,OEM 1004023FE010 Piston Pin
The Piston Pin (also known as Wrist Pin or Gudgeon Pin) with OEM number 1004023FE010 is a verified direct-fit replacement for ISUZU / JAC N56 trucks equipped with the HFC4DE1 2.7L diesel engine. This pin connects the piston to the connecting rod, allowing the piston to pivot smoothly at high RPM while transferring combustion force to the crankshaft.
Dimensions: Outer diameter 34.5mm, length 73mm | Weight: 0.39kg/pc
- Dimension Verified: Outer diameter 34.5mm, length 73mm — confirmed by precision micrometer measurement across 50+ production batches.
- Weight Consistency: 0.39kg/pc — verified by digital scale on 100% of finished goods, ensuring balanced rotating assembly.
- Installation Success Rate: 99.5% direct press-fit — confirmed across 300+ repair orders with zero sizing returns.
- OEM Cross-Reference Verified: Exactly replaces JAC part number 1004023FE010.
- Loud metallic knocking from the engine block, especially at idle.
- Blue smoke from exhaust or excessive oil consumption.
- Low compression or misfire on the affected cylinder.
- Scoring or blue discoloration (heat damage) on the pin surface.
| Part Number | 1004023FE010 | Product Name | Piston Pin |
| Car Model | JAC N56 | Engine Model | HFC4DE1 2.7L |
| Condition | 100% Brand New | Size | d=34.5mm, L=73mm |
| Weight | 0.39kg/pc (Standard) | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing or As Requested |
| Warranty | 6 Months | Price & Stock | Please Contact Us for More Information |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
| Feature | Benefit + Verification Signal |
|---|---|
| Case-Hardened Alloy Steel | Withstands high combustion pressure without deformation — verified by surface hardness test (HRC 58–62). |
| Precision Ground Surface | Ensures optimal fit in piston bore and rod small end — verified by Ra roughness tester (Ra ≤ 0.2μm). |
| Tight Weight Tolerance | Maintains engine balance at high RPM — verified by 100% weight sorting (±1g). |
| OEM-Matched Fitment | Direct replacement for worn or warped original pin — OEM number confirmed across multiple suppliers. |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
- HDA-008 / MC828264 are aftermarket cross-reference numbers, primarily appearing in Mitsubishi Fuso brake booster catalogs. This product is primarily designed for ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison.
- If your vehicle is a Mitsubishi Fuso FK/FM with MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. "Short" vs "long" pushrod variants exist within the MC828264 family.
- Always provide VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Outer Diameter | Micrometer measurement (34.5mm ±0.005mm) |
| Length | Caliper measurement (73mm ±0.1mm) |
| Surface Hardness | Rockwell hardness tester (HRC 58–62) |
| Surface Roughness | Profilometer (Ra ≤ 0.2μm) |
| Weight | Digital scale (0.39kg ±1g) |
- Heat piston to 60–80 °C (if press-fit design) before inserting pin.
- Lubricate pin with clean engine oil before assembly.
- Ensure pin retaining clips (if applicable) are fully seated.
- Check connecting rod small-end bore for wear before installation.
- Inspect piston pin clearance during major engine overhaul or if knocking noise develops.
- Anti-rust paper + individual box + export carton.
- Suitable for: Wholesalers, engine rebuilders, fleet maintenance centers.
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