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+86 15822886739

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Cummins Diesel Engine Parts One-Stop Procurement Platform, offering a full range of parts including: maintenance parts, fuel systems, cooling systems, lubrication systems, cylinder components, overhaul parts, and electronic control systems. specializing in high-quality Cummins Parts is trustworthy.

About Us

     Based in China, Tianjin Motorstar is a professional global exporter with over a decade of experience, focusing on the R&D, sourcing, inventory supply and worldwide export of full-seriesCummins diesel engine parts.

    We serve global distributors, repair shops and fleet operators with reliable, cost-effective diesel engine replacement solutions for heavy-duty trucks, construction machinery, marine vessels and generator sets.

    Our extensive coverage includes almost all Cummins mainstream engine models: A2300, QSB3.3, 4BT, 6BT, ISBe, 6CT, ISDe, ISF2.8, ISF3.8, ISLe, QSB, QSC, QSM, ISM, NH220, NT855, L10, M11, QSM11, K19, K38, K50, ISX15 and QSX15.

    The Products covering liners, pistons, cylinder blocks, cylinder heads, crankshafts, connecting rods, camshafts, bearings, water pumps, oil pumps, starters, alternators, turbochargers, fuel injectors, gasket kits, sensors and other full-range overhaul components.

    We supply genuine original, OEM-standard and premium aftermarket Cummins engine spare parts with large in-stock inventory. Strict quality inspections are implemented for every product to meet original equipment standards, helping customers minimize equipment downtime and reduce overall maintenance costs.

    Support fast part number lookup, small trial orders and bulk wholesale, with flexible sea, air and express global logistics and customized packaging services.

    Adhering to the principle of “Quality First, Customer Supreme”, our professional technical and service team provides accurate model matching and one-stop sourcing solutions. With stable partnerships across Southeast Asia, Africa, the Middle East, Europe and America, we continuously optimize our product catalog and service system to deliver high-quality and affordable Cummins diesel engine parts for global clients, striving to be your most trusted long-term diesel engine spare parts supplier.

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Cummins Parts Knowledge Base which covering maintenance tutorials and genuine Cummins parts identification methods

Komatsu S6D125 PC400-5 / PC400-6 / PC400-7 / PC400-8 Cylinder Head Core Differences
Komatsu S6D125 PC400-5 / PC400-6 / PC400-7 / PC400-8 Cylinder Head Core Differences
News 2026年 7月 1日 20

All 4 excavators adopt 6D125 series 6-cylinder single-piece independent cylinder head (1 cylinder head per cylinder, total 6 pcs per engine)

How to Confirm My Cummins Engine Part Number
How to Confirm My Cummins Engine Part Number
News 2022年 9月 25日 29

Cummins standard OEM part numbers adopt a fixed 7-digit numeric format, while auxiliary series like Fleetguard filters, Holset turbos and CES aftertreatment parts use separate coding rules. Without accurate part number confirmation, you risk receiving incompatible injectors, cylinder liners, gaskets or filters that cannot fit your trucks, generators, excavators and marine engines.

Why Cummins Engine Produces Black Smoke
Why Cummins Engine Produces Black Smoke
News 2022年 9月 25日 37

Black smoke is one of the most common and telltale mechanical issues on Cummins diesel engines, widely used in heavy-dut…

How To Find Reliable Cummins Engine Parts Supplier From China
How To Find Reliable Cummins Engine Parts Supplier From China
News 2022年 9月 25日 23

For global heavy-duty machinery repair shops, fleet management companies, marine service providers, mining contractors, …