Piston Pin Circlip 1004024FE010 for JAC N56 Sunray SOLLERS Atlant 2.7D 4DE1-1D — Verified OEM 8041000769
Key Attributes
Product Summary
Verified OEM piston pin circlip 1004024FE010 for JAC N56, Sunray & SOLLERS Atlant 2.7D 4DE1-1D. High-carbon hardened spring steel, 100% dimension inspected, 99.6% installation success. Cross-ref 8041000769. 8 pcs per engine. Neutral or custom packing, 6-month warranty.
Product Details
Piston Pin Circlip JAC N56
,OEM 8041000769 Circlip
,Circlip for SOLLERS Atlant 2.7D
Piston Pin Circlip (Snap Ring) 1004024FE010 — a verified OEM replacement (cross-reference 8041000769) engineered for JAC N56, JAC Sunray, and SOLLERS Atlant trucks equipped with the 4DE1-1D 2.7D diesel engine (Euro 5). This critical retaining component locks the piston pin within the piston boss grooves, preventing axial movement that could otherwise cause catastrophic cylinder wall damage.
Quantity required: 2 pieces per piston; 8 pieces per engine.
- Material Verified: High-carbon spring steel, hardened — confirmed by surface hardness testing (HRC 45–50) across 50+ production batches.
- Dimensional Accuracy: Wire diameter and ring diameter match OEM groove specifications — verified by optical comparator measurement on 100% of finished goods.
- Installation Success Rate: 99.6% proper seating — confirmed across 400+ engine rebuild orders with zero fitment returns.
- OEM Cross-Reference Verified: Replaces JAC part number 1004024FE010 and OE cross-reference 8041000769.
- Metallic scraping or knocking from the cylinder wall area.
- Piston pin axial movement (requires immediate teardown).
- Circlip missing or deformed upon inspection during overhaul.
| Part Number | 1004024FE010 |
|---|---|
| Product Name | Piston Pin Circlip |
| Car Model | JAC N56 |
| Engine Model | 2.7D 4DE1-1D |
| Condition | 100% Brand New |
| Weight | Standard |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral packing or customized 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 |
|---|---|
| High-Carbon Spring Steel | Maintains tension under high temperature and vibration — verified by fatigue cycle testing (10,000+ compression cycles). |
| Precision Formed Geometry | Ensures proper seating in the piston groove without play — verified by optical comparator against OEM master sample. |
| Hardened Surface | Resists deformation during installation and engine operation — verified by Rockwell hardness test (HRC 45–50). |
| 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 oriented toward ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison.
- If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. Both "short" and "long" pushrod variants exist within the MC828264 family.
- Always provide the VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Wire Diameter | Micrometer measurement (±0.01 mm tolerance) |
| Ring Free Diameter | Optical comparator against OEM specification |
| Surface Hardness | Rockwell hardness tester (HRC 45–50) |
| Elasticity | Compression-release cycle test (retains ≥95% original tension) |
| Visual Inspection | 100% check for cracks, burrs, or deformation |
- Use a proper circlip installation tool (thin-nose pliers designed for snap rings).
- Carefully guide the ring ends into the piston groove without over-expanding.
- After installation, verify the ring is fully seated around the entire circumference.
- Confirm ring ends do not protrude from the groove.
- Follow any orientation markings (the chamfered side typically faces outward per the OEM manual).
- Replace circlips every time the piston pin is removed or the engine is overhauled.
- Inspect for missing or deformed circlips during any engine teardown.
- Anti-rust paper + individual bag + export carton.
- Suitable for engine rebuilders, wholesalers, and fleet maintenance centers.
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