Genuine OEM Intake Valve for Cummins M11 ISM11 Qsm11 Engines - Part Numbers 4926089 3417779 4926069 3275354 4955239

• Customization: Available
• Certification: ISO9001
• Standard Component: Standard Component
• Technics: Forging
• Material: Steel
• Type: Intake Valve
• Weight: 0.225kg
• Transport Package: Packing
• Specification: size: 25cm*5cm*5cm
• Trademark: zhengwei
• Origin: China/USA
• Production Capacity: 5000

Product Description

Core Applications and Applicable Scopes

This series of intake valves is specifically designed for Cummins M11, ISM11, and QSM11 diesel engines, and is widely used in various fields such as agricultural machinery, construction machinery, marine vessels, mining equipment, and commercial vehicles. For example, the QSM11 engine is commonly found in excavators and generator sets. The valves in these engines need to withstand high - temperature and high - pressure environments, which requires strict material and process requirements.

Specification

Category	English Keywords & Phrases
Product Name	Cummins M11 ISM11 QSM11 Intake Valve; OEM/Aftermarket Intake Valve for M11/ISM11/QSM11 Engines
Technical Features	Forged Steel Construction; Nitrided Surface; High-Temperature Alloy; Quenching & Tempering
Applications	Agricultural/Construction/Mining Equipment; Marine/Bus/Truck Engines; Heavy-Duty Diesel Engines
Quality Assurance	ISO 9001 Certified; 3–12 Months Warranty; High Fatigue Strength

Process Stage	Details	Technical Parameters
1. Hot Forging	3-stage forging at 1100°C–950°C to refine metal grains and enhance strength.	Deformation ratio: 70%–73%
2. Heat Treatment	- Quenching & tempering: 800°C–850°C ,450°C–500°C ,orming tempered sorbite. - Nitriding: 330°C–360°C to create 10–30μm nitride layer.	Hardness: 32–36 HRC (body); 72–78 HRA (surface)
3. Surface Treatment	- Nanotechnology for end face to reduce friction. - Cone surfacing with Mo-Zr alloy (30%–40% Mo). - Graphene coating via CVD for premium models.	Surfacing thickness: 30–100μm; Coating improves heat dissipation.

Quality and After - sales Service

1.Quality Standards: Meet Cummins original factory (OEM) or international standards (such as ISO 15550). Some suppliers offer a 3 - 12 - month quality guarantee.
2.Packaging and Transportation: Packed in PP bags, carton boxes, or plywood cases. Trade terms such as EXW, FOB, etc. are supported, and delivery can be made by sea, air, or land.

Precautions

1.Model Confirmation: The part number 3417779 is marked as an exhaust valve in some materials. It is recommended to check the engine model and valve type before purchasing.
2.Installation Requirements: The valve clearance should be adjusted strictly according to the Cummins manual (for example, the intake valve clearance of the QSM11 is 0.25mm) to ensure the stable performance of the engine.

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!

Main Product

Production Process

Packaging & Shipping

Certifications

International Partners

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.