4374086 Piston Pin for Optimal Engine and Generator Performance 11 Liter M11 Engines.

• Customization: Available
• Certification: ISO9001
• Standard Component: Standard Component
• Model NO.: Piston Pin
• Technics: Casting
• Material: Aluminum Alloy
• Type: Crankshaft
• Weight: 0.14kg
• Transport Package: Packing
• Specification: 13cm*8cm*8cm
• Trademark: Zhengwei
• Origin: China
• Production Capacity: 500000PCS/Year

Product Description

DESCRIPTION

The Cummins 4374086 Piston Pin is a component designed for use in heavy-duty truck engines. It serves a pivotal role in the engine's operation by facilitating the connection between the piston and the connecting rod. This connection is vital for the reciprocating motion that drives the engine, thereby contributing to the truck's overall performance and efficiency.

Basic Concepts of Piston Pins
A piston pin, also known as a wrist pin, is a cylindrical component that connects the piston to the connecting rod within an internal combustion engine. Its primary function is to allow the piston to oscillate while the connecting rod rotates, converting the linear motion of the piston into rotational motion that drives the crankshaft. This mechanism is fundamental to the engine's operation, directly influencing its performance, efficiency, and durability 1.

Purpose of the 4374086 Piston Pin
The 4374086 Piston Pin is specifically engineered to enhance the operation of truck engines. It plays a role in connecting the piston to the connecting rod, enabling the necessary reciprocating motion for engine function. This part is designed to withstand the high stresses and temperatures within the engine, ensuring smooth and efficient operation.

Key Features
The 4374086 Piston Pin is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to wear and corrosion. The design specifications of this piston pin include precise dimensions and a smooth surface finish, which contribute to reduced friction and improved efficiency. Additionally, it may incorporate unique characteristics such as specialized coatings or treatments to further enhance its performance under demanding conditions 2.

Benefits
Utilizing the 4374086 Piston Pin in truck engines offers several benefits. It contributes to improved engine efficiency by reducing friction between the piston and connecting rod. This reduction in friction leads to less wear and tear on engine components, enhancing the overall performance and longevity of the engine. Furthermore, the durable construction of the piston pin ensures reliable operation under the high-stress conditions typical of heavy-duty truck engines.

Troubleshooting Common Issues

Common issues that may arise with the 4374086 Piston Pin include excessive wear, noise, or failure. These problems can often be traced back to improper installation, insufficient lubrication, or operational stresses beyond the pin's design limits. Troubleshooting steps may involve inspecting the pin and surrounding components for signs of damage, ensuring proper lubrication, and verifying that the pin is correctly installed. In cases of significant wear or failure, replacement of the piston pin may be necessary to restore engine performance.

Piston Pin Compatibility with Cummins Engines
The Cummins part number 4374086, which is a Piston Pin, is designed to fit a variety of Cummins engines. This part is integral to the engine's operation, ensuring the smooth movement of the piston within the cylinder. Below is a detailed description of how this piston pin fits with the specified engines:
ISM Series Engines
· ISM CM570
· ISM CM876
· ISM11 CM876 SN
The ISM series engines, including the ISM CM570, ISM CM876, and ISM11 CM876 SN, are equipped with the piston pin 4374086. This part is crucial for maintaining the alignment and stability of the piston, which in turn affects the engine's performance and longevity.
M11 Series Engines
· M11 CELECT PLUS
· M11 MECHANICAL
The M11 series engines, specifically the M11 CELECT PLUS and M11 MECHANICAL, also utilize the piston pin 4374086. This part ensures that the piston moves smoothly and efficiently within the cylinder, contributing to the engine's overall reliability and efficiency.
QSM11 Series Engines
· QSM11 CM570
· QSM11 CM876
The QSM11 series engines, including the QSM11 CM570 and QSM11 CM876, are designed to work seamlessly with the piston pin 4374086. This component is essential for the proper functioning of the piston, ensuring that the engine operates at peak performance.
Each of these engines, despite their different configurations and applications, relies on the piston pin 4374086 to maintain the integrity of the piston's movement. This part is a critical component that ensures the engine's components work together harmoniously, contributing to the engine's overall efficiency and durability.

Role of Part 4374086 Piston Pin in Engine Systems

The part 4374086 Piston Pin is an essential component that facilitates the smooth operation of various engine systems

Interaction with Key Components
· Engine Piston and Piston Kit: The Piston Pin connects the engine piston to the connecting rod, ensuring that the force generated during the combustion process is effectively transmitted. This interaction is vital for the piston's up-and-down movement within the cylinder.

· Connecting Rod and Piston Assembly: As part of the connecting rod and piston assembly, the Piston Pin enables the connecting rod to pivot smoothly. This pivoting action is necessary for converting the linear motion of the piston into the rotary motion needed to drive the crankshaft.
· 
· Cylinder Head and Cylinder Kit: The efficient operation of the Piston Pin ensures that the piston moves seamlessly within the cylinder, which is lined by the cylinder kit. The cylinder head, which houses the valves and combustion chamber, relies on this smooth piston movement for optimal performance.
· 
· Camshaft: Although the camshaft operates independently to time the opening and closing of the valves, the efficient operation of the Piston Pin contributes to the overall harmony of the engine's moving parts, indirectly supporting the camshaft's function.
· 
· Injectors: In fuel-injected engines, the injectors deliver fuel into the combustion chamber at precise moments. The Piston Pin's role in ensuring smooth piston movement helps maintain the engine's rhythm, which is essential for the injectors to operate effectively.
· 
· Oil Manifold: The oil manifold distributes lubrication to various engine components, including the Piston Pin. Proper lubrication of the Piston Pin is necessary to reduce friction and wear, ensuring longevity and efficiency of the engine.
· 
· Overhaul (M-11) Kit and Overhaul Kit: During engine overhauls, the Piston Pin is often replaced or inspected as part of the overhaul kit. Its condition directly impacts the success of the overhaul process and the subsequent performance of the engine.
· 
· Performance and Performance Parts: High-performance engines often utilize upgraded Piston Pins to handle increased stress and higher RPMs. The role of the Piston Pin in these setups is even more significant, as it must withstand greater forces while maintaining precision and reliability.

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

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.