6CT 3942581 Engine Connecting Rod Compatible with Construction Machinery Engine

Place of Origin:China
Brand Name:HanRui
Model Number:6CT
Minimum Order Quantity:1-10pc
Payment Terms:T/T,Western Union,Trade Assurance
Supply Ability:10000
Product Details
Product Name: Engine Crankshaft
Material: Forged Steel / Cast Iron
Application: Excavator Diesel Engine
Compatible Brand: Komatsu / Kubota / Mitsubishi
Condition: New
Warranty: 6 Months
OEM NO: Multiple OEM Numbers Available
MOQ: 1 Piece
Place Of Origin: China
Feature: High Strength, Wear Resistant
Product Description
Welcome to our heavy‑duty engine spare‑parts store. We supply premium aftermarket 6CT 3942581 Engine Connecting Rod Compatible with Construction Machinery Engine, heavy‑load replacement spare‑part for 6CT electronic‑injection diesel engine rebuilding for excavators and engineering equipment.

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.

You May Also Like
Quality EX120-5 EX130-5 ZX120 4BG1T 8-97100-388-0 Isuzu 4BG1 Complete Diesel Engine Assembly Compatible with Isuzu Hitachi JCB factory

EX120-5 EX130-5 ZX120 4BG1T 8-97100-388-0 Isuzu 4BG1 Complete Diesel Engine Assembly Compatible with Isuzu Hitachi JCB

Factory-direct wholesale Isuzu 4BG1 4BG1T complete diesel engine assembly (OEM 8-97100-388-0 / 110001810) for Hitachi EX120-5 & ZX120 excavators. Direct Price: $3,800–$6,500 USD (Save 50% vs dealers). 100% dyno tested, 12-month warranty!
Quality SK120-3 SK120-5 SH120-2 MSG-85P YN15V00001F1 KYB MSG-85P Slewing Swing Motor Assembly Compatible with Kobelco Sumitomo Kato factory

SK120-3 SK120-5 SH120-2 MSG-85P YN15V00001F1 KYB MSG-85P Slewing Swing Motor Assembly Compatible with Kobelco Sumitomo Kato

Factory-direct wholesale KYB MSG-85P slewing swing motor assembly (OEM YN15V00001F1 / 18251-09000) compatible with Kobelco SK120-5 & Sumitomo SH120. Direct Price: $2,200–$4,200 USD (Save 50% vs dealers). 100% bench tested, 12-month warranty!
Quality SK330-8 SK350-8 LQ10V00018F1 LC10V00018F1 K3V180DT Hydraulic Main Pump Assembly Compatible with Kobelco factory

SK330-8 SK350-8 LQ10V00018F1 LC10V00018F1 K3V180DT Hydraulic Main Pump Assembly Compatible with Kobelco

Factory-direct wholesale SK330-8 SK350-8 hydraulic main pump (OEM LQ10V00018F1 / K3V180DT) compatible with Kobelco excavators. Direct Price: $4,500–$8,200 USD (Save 50% vs dealers). 100% bench tested, 12-month warranty!
Quality ZAX200-3 ZX200-3 4653603 4642948 Multi-Way Hydraulic Main Control Valve Assembly Compatible with Hitachi factory

ZAX200-3 ZX200-3 4653603 4642948 Multi-Way Hydraulic Main Control Valve Assembly Compatible with Hitachi

Factory-direct wholesale ZAX200-3 ZX200-3 main control valve assembly (OEM 4653603 / 4642948) compatible with Hitachi excavators. Direct Price: $2,800–$4,800 USD (Save 50% vs dealers). Solve boom dropping & spool sticking. 100% bench tested!
Contact Us
You Can Contact Us At Anytime!