1941346301@qq.com
19924579082
Product Overview:
The 4943979 is a fractured split forged steel connecting rod for Cummins B-series 3.9L/5.9L/6.7L diesel engines. It connects piston to crankshaft, delivering superior fatigue strength and precise fit for heavy-duty applications.
The 4943979 Connecting Rod:
| Parameter | Value |
|---|---|
| Part Number | 4943979 |
| Material | Forged Steel (42CrMo) |
| Center-to-Center Length | 223.5 mm |
| Small End Bore Diameter | 40 mm |
| Big End Bore Diameter | 55 mm |
| Weight | 3.0 kg |
| Fit | Standard (STD) Tybe |
| Engine Displacement | Cummins 4BT3.9L 6BT ISB/QSB 5.9L / 6.7L |
Key Features:
✅Fractured split design: Optimized big-end rigidity, precise cap alignment
✅High-strength forged steel: 42CrMo alloy, heat-treated for fatigue & wear resistance
✅Precision CNC machined: Exact bore tolerance, perfect fit with piston pin & crankshaft
Application:
✅Commercial Vehicles: Dodge Ram2500/3500, Dongfeng trucks, major bus brands
✅Construction Machinery: Excavators, loaders, rollers, dozers & graders
✅ Gensets: 200–400kW QSB/ISB for mining, oilfields, data centers
✅Marine: Inland fishing, cargo & engineering boats
✅Special/Military: Mengshi, mining/oilfield gear, off-road work vehicles
Why Choose US?
✅Genuine Cummins Quality: DCEC quality at competitive prices
✅Strict quality control: 100% dimensional & material inspection
✅Fast shipping: Global delivery via DHL/UPS/FedEx, 5–7 days
✅Expert support: Cummins engine specialists for fit & installation
Name: Aandy
Mobile：
Tel：19924579082
Email：1941346301@qq.com
Add：5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen
