
Product Overview
This premium bearing kit is engineered for the Cummins QSM11 diesel engine, providing a critical solution for engine rebuilds and overhauls. We specialize in supplying high-quality, direct-fit replacement parts to the global heavy equipment and industrial sectors, with established shipping networks to major markets across North America, Europe, Asia-Pacific, and the Middle East.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal oil clearance, ensuring proper lubrication and engine longevity.
- Enhanced Durability: Constructed from high-grade materials with advanced bearing alloys designed to withstand extreme pressures and temperatures within the QSM11 engine.
- Optimal Performance: Maintains correct crankshaft alignment and reduces friction, contributing to restored engine power, efficiency, and reduced oil consumption.
- Complete Bearing Set: Kit includes both main bearings and connecting rod bearings for a comprehensive bottom-end rebuild solution.
- Reliable Supply: Sourced from trusted manufacturers and backed by our global logistics for consistent availability and timely delivery to your port or facility.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 3801152 |
| Engine Model | Cummins QSM11 |
| Part Type | Main Bearing & Connecting Rod Bearing Kit |
| Application | Engine Rebuild / Overhaul |
| Condition | New, Aftermarket Replacement |
OEM Cross-Reference
This part is a direct replacement for the following OEM number:
- Cummins: 3801152
Always verify the part number on your original bearing shells or consult your engine service manual before ordering to ensure correct application.
Compatibility
This bearing kit is specifically designed for the Cummins QSM11 diesel engine. This 10.8L engine is commonly found in a wide range of heavy-duty applications, including:
- Excavators: Models from Komatsu, Hitachi, Caterpillar, and others equipped with the QSM11 engine.
- Industrial Power Units: Generator sets, pump drives, and other stationary equipment.
- Mining & Construction Equipment: Various heavy machinery utilizing this reliable engine platform.
Compatibility spans multiple years and machine models; confirming the engine serial number (ESN) is the most reliable method for verification.
Global Supply & Distribution
We are a trusted B2B supplier for engine parts with extensive export experience. Our logistics network ensures efficient shipping worldwide.
- Worldwide Shipping: We export to all major industrial regions via sea (FOB, CIF) and air freight.
- Key Markets Served: North America (USA, Canada), European Union, United Kingdom, Australia, Southeast Asia, Middle East (UAE, Saudi Arabia), and South Africa.
- Fast Delivery: Consolidated shipments to major global ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali, with reliable inland forwarding options.
- Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for smooth customs clearance.
Quality Assurance
We partner with ISO-certified manufacturers to ensure part quality and reliability.
- Manufacturing Standards: Parts are produced to meet or exceed original dimensional and material specifications.
- Rigorous Testing: Bearings undergo quality checks for material consistency, dimensional accuracy, and surface finish.
- Warranty: Backed by a standard warranty against manufacturing defects. Specific terms are provided with the commercial invoice.
FAQ
Q: How do I confirm this bearing kit fits my specific Cummins QSM11 engine?
A: The most accurate method is to cross-reference the part number 3801152 with your engine’s service parts catalog or to match it against the numbers stamped on your original bearing shells. Providing your engine serial number (ESN) to our technical team can also facilitate verification.
Q: Is this a full set for a complete engine rebuild?
A> This kit includes the main bearings and connecting rod bearings required for the crankshaft assembly. A complete overhaul typically requires additional components such as piston rings, cylinder liners, gaskets, and seals. Please inquire about full rebuild kits.
Q: What are the recommended installation procedures for these bearings?
A> Proper installation is critical. Always follow the official Cummins QSM11 service manual. Key steps include: thoroughly cleaning all engine surfaces, verifying correct bearing clearance with Plastigage, ensuring proper lubrication during assembly, and torquing fasteners to the specified sequence and values. Incorrect installation can lead to immediate engine failure.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .