Hangzhou XC Machinery Co., Ltd. supplies aftermarket-new Cummins 4BT engine spare parts for D250, D350 and W250 excavators. This listing covers connecting rod bearings and related engine rebuild components, including part numbers 3901170, 3939859 and 3901085.
These parts are produced as aftermarket replacements for the Cummins 4BT engine platform. They are intended for maintenance, overhaul and repair work where a direct-fit replacement is required.
| Part Number | 4BT Engine spare parts |
|---|---|
| Machine Model | D250, D350, W250 |
| Condition | Aftermarket New |
| Type | Liner Kit, Piston Ring Kit, Snap Ring, Main Bearing, Valve Guide, Intake Valve, Gasket Kit |
These Cummins 4BT engine parts are used in excavator engine repair and overhaul. Typical applications include bearing replacement during lower-end service, as well as related work involving piston, liner, valve and gasket components.
Please confirm your engine model, part number and machine model before ordering to help ensure correct fitment.
Hangzhou XC Machinery Co., Ltd. is a China-based parts wholesaler serving the construction equipment industry for over 8 years. The company supplies excavator hydraulic pumps and parts, engine parts, undercarriage parts, electric parts, seal kits, filters, final drive and gear parts, hydraulic breakers, rock buckets and scanner diagnosers.
Customers are served worldwide, including the US, Canada, Turkey, Italy, Brazil, Colombia, South Africa, UAE and India. The company offers excavator OEM and genuine parts for South Korean brands such as Daewoo, Doosan, Hyundai, Volvo and Samsung; Japanese brands such as Komatsu, Hitachi, Kobelco, Kato, Isuzu and Mitsubishi; and Chinese brands such as SDLG, SANY, Zoomlion and Liugong.
WhatsApp / Phone: +86 136 4581 9133
Skype: robinwanguuu@hotmail.com
Email: Ricardo@xcgparts.com
WeChat: welchanparts_luke
Website: www.xcgparts.com
This product covers aftermarket-new Cummins 4BT engine spare parts for D250, D350 and W250 excavators, including connecting rod bearings referenced as 3901170, 3939859 and 3901085. It is supplied by Hangzhou XC Machinery Co., Ltd. as a replacement option for engine maintenance, overhaul and repair. Related rebuild items such as liner kits, piston ring kits, snap rings, main bearings, valve guides, intake valves and gasket kits are also available in this range.
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