6CT 3942581 Engine Connecting Rod Compatible with Construction Machinery Engine
1. Product Overview & Wholesale Price Range
The 6CT Electronic‑Injection Engine Connecting Rod (Part # 3942581) is made of high‑strength forged steel blank. Precision machining for big‑end bore, small‑end bore and bolt holes. Strict dimensional tolerance inspection, deformation detection, suitable for heavy‑load working environment.
- Factory Wholesale Price: $115‑175 USD / piece Direct factory supply, bulk discount for repair shops and machinery spare‑parts distributors
- Material: Forged Steel, precision boring & tapping, deformation inspection
- MOQ: 1 Piece, favorable price for large‑volume orders
- Stock Lead‑time: In stock, 1‑3 working days dispatch for global customers
- Warranty: 12‑month replacement warranty, full quality inspection before delivery
2. Engine & Application Compatibility List
Direct‑fit replacement for 6CT electronic‑injection diesel engine, widely used on heavy‑duty construction machinery:
- Engine Model: 6CT Electronic‑Injection
- OEM Part Number: 3942581
- Structure: Forged Steel Engine Connecting Rod Assembly
- Applications: Excavators, heavy trucks and other engineering machinery
3. Common Connecting Rod Failure Conditions
- Bore deformation & out‑of‑tolerance: Caused by engine over‑load or over‑heating. Replace connecting rod if bore dimension exceeds tolerance value.
- Bending & twisting distortion: Result from piston seizure or impact. Deformed connecting rod cannot be reused for engine overhaul.
- Fatigue crack: Generated under long‑time cyclic heavy‑load. Each connecting‑rod will pass visual inspection before shipment to avoid fracture failure.
- Bolt hole thread damage: Will cause bolt loosening during operation. Check thread condition during engine maintenance.
- Big‑end surface wear: Leads to abnormal knocking noise. Replace connecting‑rod assembly once serious wear occurs.
4. Matching Diesel Engine Spare Parts
| Category | Engine / Machine | OEM Part No. | Remark |
|---|---|---|---|
| Engine Connecting Rod | 6CT Electronic‑Injection | 3942581 | Forged Steel Conrod Assembly |
| Engine Crankshaft | 6CT | Refer‑to‑match | Crankshaft Spare Part |
| Engine Overhaul Kit | 6CT | Refer‑to‑match | Engine Rebuild Repair Spare Parts |
| Piston Set | 6CT | Refer‑to‑match | Piston & Pin Assembly |
| Bearing Shell Set | 6CT | Refer‑to‑match | Main Bearing & Con‑rod Bearing |
5. Frequently Asked Questions
Q1: How do I confirm this connecting rod fits my 6CT engine?
A: Please cross‑reference OEM number 3942581, this part fits electronic‑injection version 6CT engine. Send engine serial number for compatibility check before placing your order.
Q2: What quality checks will be done before shipment?
A: Every connecting rod completes dimension measurement, bore tolerance inspection and deformation detection to guarantee installation accuracy.
Q3: Can you supply full overhaul spare‑parts for 6CT engine?
A: Yes, crankshaft, piston kits, bearing shells and full overhaul repair kits are available for one‑stop engine rebuild purchasing.
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