Zhengwei Manufacturer Original Cummins Spare Parts Isc 8.3L Connecting Rod Bearing 3950661 with High Quality

• Customization: Available
• Certification: CCC, COP, ISO9001, CE, E-Mark, RoHS, TS16949
• Standard Component: Standard Component
• Model NO.: Connecting Rod
• Technics: Casting
• Material: Aluminum Alloy
• Type: Connecting Rod
• Weight: 0.104kg
• Color: Black or Customized
• Shipment: by Sea or Air
• Transport Package: Packing
• Specification: 8cm*5cm*4cm
• Trademark: Zhengwei
• Origin: China
• Production Capacity: 500000PCS/Year

Product Description

Model Number	3950661	Supersession	· 3950661
Product Name	Connecting Rod Bearing Cummins M11/QSM11	Brand	Cummins
Packaging Qty	1 PCS	Size (mm)	· 8cm*5cm*4cm
Weight(kg)	0.104 (kg)	Apply To	Cummins ISM11/M11

DESCRIPTION

The Cummins 3950661 Connecting Rod Bearing is a specialized component designed for use in heavy-duty truck engines. Its purpose is to facilitate the smooth operation of the engine by reducing friction between the connecting rod and the crankshaft. This bearing plays a significant role in maintaining the efficiency and durability of the engine, ensuring reliable performance under demanding conditions .

Basic Concepts of Connecting Rod Bearings
Connecting rod bearings are integral components within an engine, designed to support the connecting rod's movement as it connects the piston to the crankshaft. These bearings operate by providing a low-friction surface that allows the connecting rod to pivot smoothly around the crankshaft journal. This smooth operation is vital for the engine's overall performance, as it helps to maintain consistent power delivery and reduces wear on engine components .

Role of the 3950661 Connecting Rod Bearing in Truck Operation
The Cummins 3950661 Connecting Rod Bearing specifically contributes to the operation of heavy-duty truck engines by ensuring that the connecting rod moves efficiently around the crankshaft. This bearing helps to minimize friction, which in turn reduces heat generation and wear on the engine components. By maintaining smooth operation, the 3950661 bearing supports the engine's efficiency and longevity, allowing heavy-duty trucks to perform reliably even under strenuous conditions .

Key Features
The Cummins 3950661 Connecting Rod Bearing is characterized by several key features that enhance its performance and durability. These include a precision-engineered design that ensures a perfect fit within the engine, high-quality materials that resist wear and corrosion, and advanced manufacturing techniques that guarantee consistent quality. Additionally, the bearing's unique attributes, such as its load-bearing capacity and resistance to fatigue, contribute to its superior performance in heavy-duty applications

Benefits
Using the Cummins 3950661 Connecting Rod Bearing offers several benefits. These include improved engine performance due to reduced friction, which leads to more efficient power transmission. The bearing's design also contributes to enhanced durability, helping to extend the engine's service life. 

Troubleshooting and Maintenance

Common issues that may arise with connecting rod bearings include excessive wear, noise, or failure due to contamination or improper lubrication. To ensure optimal performance, regular maintenance practices should be followed, such as monitoring oil quality and levels, inspecting bearing surfaces for signs of wear, and adhering to manufacturer-recommended service intervals. Troubleshooting tips include listening for unusual noises, checking for oil leaks, and performing diagnostic tests to identify any issues promptly .

About Cummins
Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is known for its commitment to producing high-quality automotive components that meet the demanding requirements of heavy-duty applications. The company's history of innovation and excellence underscores its dedication to providing reliable and efficient solutions for its customers .

Compatibility of 3950661 with Cummins Engines
The Cummins Connecting Rod Bearing part number 3950661 is designed to fit a variety of Cummins engines, providing essential support and reducing friction between the connecting rod and crankshaft. Here is a detailed look at the compatibility of this part with various Cummins engines:

ISC Series Engines
· ISC CM2150
· ISC CM554
· ISC CM850
· ISC8.3 CM2250

ISL Series Engines
· ISL CM2150
· ISL CM554
· ISL G CM2180
· ISL9 CM2150 SN
· ISL9 CM2250
· ISL9.5 CM2880 L138

L Series Engines
· L GAS PLUS CM556
· L8.9
· L8.9 CM2670 L134C
· L8.9 L121
· L8.9G CMOH2.0 L125B
· L9 CM2670 L128B
· L9.3 L105
· L9.5 L117

G Series Engines
· G8.3
· G8.3 CM558
· GTA8.3 CM558
· QSC8.3 CM2880 C102

C Series Engines
· C GAS PLUS CM556
By ensuring that the 3950661 Connecting Rod Bearing is used with the appropriate Cummins engine, you can maintain optimal engine performance and longevity.

Conclusion
In summary, the Cummins 3950661 Connecting Rod Bearing is a fundamental component that ensures the smooth and efficient operation of the engine's moving parts, contributing to the overall performance and longevity of the engine system. Its precision-engineered design, high-quality materials, and compatibility with various Cummins engines make it an indispensable part for heavy-duty applications.

Role of Part 3950661 in Engine Systems

The Connecting Rod Bearing (Part 3950661) is an essential component in the efficient operation of various engine systems. It facilitates smooth interaction between the connecting rod and the cylinder block, reducing friction and wear.

When integrated into an engine assembly, the connecting rod bearing ensures that the connecting rod can pivot with minimal resistance as the piston moves up and down. This is particularly important in high-performance engines where precision and efficiency are paramount.

In a short block or long block configuration, the connecting rod bearing plays a significant role in maintaining the integrity of the engine's moving parts. It allows the connecting rod to transmit the piston's linear motion to the crankshaft effectively, which is vital for the engine's power output.

During an engine overhaul or when using an overhaul kit, replacing the connecting rod bearings is often necessary to restore the engine's performance to factory specifications. This is also true when utilizing a rebuild kit or repair kit, where worn-out bearings can be a common point of failure.

In conjunction with a piston engine kit or engine piston kit, the connecting rod bearing ensures that the piston's movement is translated into rotational force without excessive wear on the crankshaft journals. This is especially important in high-rpm applications where the connecting rod experiences significant stress.

When paired with performance parts or a PMM piston upgrade, the connecting rod bearing must be of high quality to handle increased loads and stresses. This is essential for maintaining engine reliability and performance under demanding conditions.
The connecting rod bearing also interacts with the camshaft indirectly, as the smooth operation of the piston and connecting rod assembly contributes to the overall harmony of the engine's valve timing and combustion efficiency.

 

Engine	Description	Part #	Part #	Part #	Part #	Part #
4BT	conrod bearing	3901171	3901172	3901173	3901174	3969562
4BT	conrod bearing	3939859	3939860	3939861	3939862	3971970
6BT	conrod bearing	4892795	4892796	4892797	4892798	4893693
6BT	conrod bearing	4932376	4932377	4932378
6CT	conrod bearing	3901430	3901431	3901432	3901433	3901434
6CT	conrod bearing	3950661	3966244	3901460	3950662
QSB	conrod bearing	3901170	3901230	3939380	3939390	3939859
QSB	conrod bearing	4892795	4892796	4892797	4892798	4893693
QSB	conrod bearing	4932376	4932377	4932378	5302904
ISF2.8	conrod bearing	5261124	5261125	5284536	5284537
ISF3.8	conrod bearing	4376188	4948508	4948509
K19	conrod bearing	205840	205841	205842	205843	205844
K38	conrod bearing	3047390	3047391	3047392	3047393	3047394
K50	conrod bearing	3021710	206160	3650900	4914696
M11	conrod bearing	3016760	3016761	3016762	3016763	4319786
NT	conrod bearing	203660	203661	203662	203663	203670
NT	conrod bearing	203672	203673	214950	214951	214952
NT	conrod bearing	3055145	3055146	3055147	3055148	3150011
NT	conrod bearing	3150013	3150014

General Information

Ensure superior engine performance with the Zhengwei Part QSL9 rod bearing with 3950661. This high-quality connecting rod bearing is designed specifically for Cummins QSL9 engines, providing a precision-engineered component for reliable operation.
 
Precision-engineered, this connecting rod bearing is meticulously designed to meet or exceed OEM specifications, ensuring optimal bearing clearance, reduced friction, and improved motor efficiency for reliable operation. It plays a crucial role in maintaining proper alignment and support of the connecting rod for smooth engine operation.
 
The Zhengwei PART QSL9 3950661 rod bearing is made of premium materials, offering exceptional durability, wear resistance and corrosion resistance. It is built to withstand harsh operating conditions, ensuring long-lasting performance and reliable operation.
 
Using advanced technology and manufacturing processes, this connecting rod bearing ensures consistent quality and reliable performance. With its superior design and high-quality construction, it ensures minimal wear, contributing to improved engine efficiency and longevity.
 
Installation of the Zhengwei PART QSL9 With Rod Bearing 3950661 is quick and easy, offering perfect compatibility and precise tuning for Cummins QSL9 engines. By incorporating this high-quality component, you can improve the reliability and performance of your motor, ensuring efficient operation and long life.
 
Maximize the performance of your Cummins QSL9 engine with the precision and quality of the Zhengwei Part QSL9 With Rod Bearing 3950661, designed to offer superior bearing clearance and reduced friction for optimal engine efficiency.

Company Profile

Sichuan Zhengwei Power Technology Co.,Ltd. is a comprehensive and diversified enterprise which established in 2009. Headquartered in No. 388 Huanghe Road, Xindu District, Chengdu, Sichuan Province.The company specializes in diesel generator sets, Cummins engine assembly, Cummins pure parts sales and after-sales service. The company not only has a rich product line, including high-quality diesel generator sets and all kinds of pure accessories, but also provides a full range of after-sales service to ensure the stable operation of customers' equipment. In addition, with strong technical strength and rich experience, the company focuses on the maintenance of all kinds of construction machinery at home and abroad, and can provide customers with efficient and professional mechanical equipment maintenance services, solve all kinds of equipment failures, and ensure the normal production and operation of customers. 

Adhering to the corporate purpose of "Let customers get more value", the company will, provide customers with more and better products and services, and jointly open our better cooperation prospects!

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FAQ

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Q: What's the lead time for orders?

A: Standard models ship in 15–30 days; customized units require 60-90days.

Q: Do you provide after-sales service?

A: Yes, We have a very comprehensive after-sales system.

Q: Can I request a customized parts?

A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?

A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?

A: Contact us via email/phone for a quote, then confirm with a PO.

 

Q: I'm not sure if this part fits my engine.

A: Please contact our customer service. We will help you identify or find the parts that fit your engine.

Q: I need other numbered parts, but they are out of stock in your store

A: You didn't want this part? Please contact us.If you can't find what you're looking for in store, it doesn't mean we're out of stock, The possible reasons are:

l The product was not put on the shelves in time

l The product link was invalid

l The keyword you searched for was incorrect

l Your part number machine model serial number was incorrect.

l Category restrictions, more optional models cannot be uploaded.

Therefore, please be sure to contact our customer service to inquiry whether the goods you need are actually in stock.l am confident that we can provide the products you need

 

Q: How long does it take to ship after payment?

A: After you make the payment,we usually need 3 business days to stock up and we will ship it to you.lf the parts you purchased are relatively rare, we will need longer time to stock them, but we will inform you via email.